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OZT1060

型号：

OZT1060

品牌：

ETC[ ETC ]

页数：

13 页

PDF大小：

235 K

下载PDF手册
OZT1060  
Change Summary  
CHANGES  
No.  
1
Applicable Section  
Description  
Page(s)  
Title  
Change the title to read ‘Phase-Shift PWM Controller’  
Add OZT1060GN  
1
1
1
2
Ordering Information  
General Description  
Functional Block Diagram  
Description  
Reference Application  
Circuit  
Package information  
Throughout data sheet  
3
Add 1st paragraph ‘OZT1060 is a high…LCD.’  
Add 1st paragraph 1st sentence ‘Specific  
DC/DC…application’  
4
5
5
Add DC/DC Reference Application Circuit  
10  
6
7
Correct 20 Pin SOIC 300mil drawing  
Miscellaneous corrections  
12  
---  
REVISION HISTORY  
Revision No.  
Description of change  
Release Date  
1/13/2004  
0.95  
1.0  
Initial Relase  
1. Pin Description - Modified pin description of CTIMR, DIM. 2.  
Electrical Characteristics - Update a) ‘Nominal voltage’ Min & Max  
limits plus Temp coefficient, b) ‘Line regulation’ & ‘ Load regulation’  
Typ & Max limits, c) ‘Normal operating frequency’ Min, Max, Typ limits  
plus Temp coefficient, d) ‘Ramp peak’ Min, Typ & Max limits, e)  
‘Ramp valley’ Min & Max limits, f) ‘Operating Frequency’ Min & Max  
limits plus Temp coefficient, g) ‘Ramp peak’ & ‘Ramp valley’ Min &  
Max limits, h) ‘Reference voltage at non-invereting input pin’ Min &  
Max limits, i) ‘Stand-by current’ Min & Max limits, j) ‘Supply current’  
Max limit, k) ‘SST current’ Min & Max limits plus Temp coefficient, l)  
‘SST protection release threshold’ Min, Typ & Max limits, m) ‘CTIMR  
current 1’ Min & Max limits plus Temp coefficient, n) ‘CTIMR current 2’  
Min & Max limits, o) ‘PDR_A/ PDR_C’ & ‘NDR_B/ NDR_D’ Min, Typ &  
Max limits, p) ‘Enable’ Min limit, q) ‘Threshold voltage’ Min & Max  
limits, r) ‘Open-lamp threshold’ Min & Max limits, s) ‘BBM time  
between PDR & NDR’ Min & Max limits plus Temp coefficient, t)  
‘Maximum overlap’ Min, Typ & Max limits, u) ‘Minimum overlap’ Typ &  
Max limits. 3. Simplified Functional Block Diagram. 4. Modified  
formula in No. 4 Ignition & No. 5 Normal Operation. 5. Revise  
Application Circuit 6. Miscellaneous corrections.  
7/29/2004  
1.1  
1. Footer: Add patent number 6,259,615 2. Application circuit: a.)  
Delete R3, R7, R6 & R11. b) Change R9 value from 45.3k to 47K  
8/11/2004  
09/03/04  
Copyright 2004 by O2Micro  
OZT1060-DS-1.2  
All Rights Reserved  
Page 0  
U.S. Patent No. 6,259,615  
CONFIDENTIAL  
OZT1060  
Phase-Shift PWM Controller  
resulting in a lower operating temperature and  
higher system reliability.  
FEATURES  
•
Controller for high-voltage DC/DC and  
DC/AC converters  
OZT1060 supports a wide input voltage range  
and provides a constant, user-defined, operating  
frequency, ensuring that the CCFLs operate at a  
fixed frequency. This eliminates interference  
among CCFLs and the LCD panel. Interference  
causes electromagnetic compatibility (EMC)  
problems and may create visual effects  
(waterfall) on LCD panels. The controller  
provides a phase-shift square wave output that is  
able to drive a full bridge power train.  
•
•
•
•
High efficiency, zero-voltage switching  
Supports wide input voltage range  
Constant operating frequency  
Built-in PWM dimming control with wide  
dimming range  
•
•
Soft start function  
Built-in intelligence for ignition and normal  
operation of CCFLs  
•
•
Built-in open-lamp protection and over-  
voltage protection  
OZT1060 utilizes  
a pulse width modulation  
(PWM) dimming method to achieve a wide  
dimming range. The IC performs the CCFL  
dimming function with an analog or low frequency  
PWM control. The PWM frequency is user-  
defined.  
Shutdown delay for input voltage brownout  
condition  
•
•
•
Built-in under-voltage lockout protection  
Toggle pin to reset the IC after shutdown  
Low stand-by power  
To avoid over-shoot and in-rush current to the  
CCFLs during ignition, a soft start function is  
provided for reliable CCFL operation.  
ORDERING INFORMATION  
The controller provides open-lamp protection and  
over-voltage protection, while providing an  
appropriate response for either open-lamp  
ignition or removal of a CCFL during normal  
operation. Intelligent open-lamp protection and  
over voltage protection provides design flexibility  
with various transformer characteristics. Open-  
lamp protection time is user-defined.  
Temp  
Part Number  
OZT1060S  
Package  
Range  
0° C to 70° C 20-pin SSOP  
20-pin SSOP,  
OZT1060SN  
OZT1060G  
OZT1060GN  
0° C to 70° C  
Leadfree  
0° C to 70° C 20-pin SOIC  
20-pin SOIC,  
0° C to 70° C  
Leadfree  
In addition, OZT1060 provides a shutdown delay  
function that will keep the inverter module in  
normal operation for a short period of time if the  
input voltage suddenly drops and subsequently  
resumes to a normal level. The shutdown delay  
time is user-defined.  
GENERAL DESCRIPTION  
OZT1060 is a high efficiency, Pulse Width  
Modulation (PWM) controller designed for both  
DC/DC and DC/AC high-voltage applications.  
The average current mode control is suitable for  
DC/DC converters where both voltage and  
current feedback are required, as well as for Cold  
Cathode Fluorescent Lamps (CCFL) backlight  
applications for small and large Liquid Crystal  
Displays (LCD).  
OZT1060  
provides  
under-voltage  
lockout  
protection and will disable the IC if VDDA falls  
below a threshold. OZT1060 will resume normal  
operation when VDDA exceeds the threshold.  
To reset the IC, toggle the enable (ENA) pin.  
OZT1060 operates with a standby current of  
approximately 200uA.  
OZT1060 operates in a zero-voltage switching  
mode  
that  
minimizes  
electromagnetic  
interference (EMI). In addition, OZT1060  
achieves  
a high power-conversion efficiency  
09/03/04  
Copyright 2004 by O2Micro  
OZT1060-DS-1.2  
All Rights Reserved  
Page 1  
U.S. Patent No. 6,259,615  
CONFIDENTIAL  
OZT1060  
PIN DESCRIPTION  
Names  
Pin No.  
Description  
Timing capacitor to provide striking time and timing resistor to provide  
CTIMR  
1
shutdown delay time  
OVP  
ENA  
SST  
2
3
Voltage feedback  
Enable input  
4
Timing capacitor to provide Soft-Start Time  
Supply voltage  
VDDA  
GNDA  
REF  
5
6
Signal ground  
Reference voltage output  
7
RT1  
FB  
8
Timing resistor to provide striking frequency  
Current sense feedback  
9
CMP  
NDR_D  
PDR_C  
LPWM  
DIM  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
Voltage control loop compensation  
N-MOSFET gate drive output  
P-MOSFET gate drive output  
Low-frequency PWM signal for dimming control  
DC voltage input for LPWM duty cycle  
Timing capacitor to provide LPWM frequency  
Power MOSFET driver ground  
LCT  
PGND  
RT  
Timing resistor to provide striking and operating frequency  
Timing capacitor to provide striking and operating frequency  
P-MOSFET gate drive output  
CT  
PDR_A  
NDR_B  
N-MOSFET gate drive output  
ABSOLUTE MAXIMUM RATINGS(1)  
VDDA  
GNDA, PGND  
Signal inputs  
7.0V  
+/- 0.3V  
-0.3V to (VDDA +0.3)V  
Operating Temp.  
0oC to 70oC  
Operating junction temp.  
Storage temp.  
125 oC  
-55 oC to 150 oC  
RECOMMENDED OPERATING RANGE  
VDDA  
4.6V to 5.5V  
40 kHz to 150kHz(2)  
20 kΩ to 150 kΩ  
100pF to 470pF  
fOP- operating frequency  
Resistor connected to RT (RRT)  
Capacitor connected to CT (CCT  
fLF- LPWM frequency  
)
100Hz to 500Hz  
Thermal Impedance (θJ-A  
)
80oC/W  
-
20-pin SSOP  
20-pin SOIC  
105oC/W  
-
Note (1): The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be  
guaranteed. The device should not be operated at these limits. The “Functional Specifications” table will  
define the conditions for actual device operation. Exposure to absolute maximum rated conditions for  
extended periods may affect device reliability.  
Note (2): The frequency of PDR_A, NDR_B, PDR_C, and NDR_D outputs pulses, fOP, is half of fosc value,  
fOP =(fosc/2).  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 2  
OZT1060  
ELECTRICAL CHARACTERISTICS  
Parameter  
Symbol  
Test Conditions  
VDDA=5V; Tamb=25oC;  
Limits  
Typ  
Unit  
Min  
Max  
Reference Voltage  
Nominal voltage  
Vref  
3.18  
-
3.35  
125  
3.52  
-
V
Iload = 30µA  
Temp coefficient  
ppm/oC  
(Tamb=25oC)  
Line regulation  
KL  
KV  
VDDA=4.6V to 5.5V  
-
-
2
2
-
-
mV/V  
mV  
Load regulation  
Iload = 5 µA to 80 µA  
Operating Frequency  
Normal Operating Frequency  
CCT =220pF(1)  
RT =47kΩ(1)  
;
fop  
61.5  
-
63.0  
125  
65.5  
-
kHz  
R
Temp coefficient  
ppm/oC  
(Tamb=25oC)  
Ramp peak  
CT Vpeak  
CT Vvalley  
2.35  
1.00  
2.50  
1.05  
2.65  
1.12  
V
V
Ramp valley  
Low Frequency Oscillator  
Operating frequency  
CLCT=6.8nF(2); VDIM=1.2V  
209  
-
220  
470  
225  
-
Hz  
fLF  
Temp coefficient  
ppm/oC  
(Tamb=25oC)  
Ramp peak  
LCT Vpeak  
LCT Vvalley  
LPWM  
1.96  
0.27  
0
2.06  
0.31  
-
2.18  
0.33  
100  
V
V
Ramp valley  
Duty Cycle Range  
Error Amplifier  
%
Reference voltage at non-  
inverting input pin (internal)  
VSST=0V  
VSST=2V  
VSST=4V  
0.49  
0.79  
1.18  
0.50  
0.80  
1.24  
0.55  
0.81  
1.30  
V
V
V
VADJ  
Under-Voltage Lockout  
Positive-Going Threshold Voltage  
Negative-Going Threshold Voltage  
Supply  
4.3  
-
-
-
-
V
V
3.2  
Stand-by Current  
IOFF  
ION  
ENA=low  
-
-
200  
3.0  
300  
4.2  
µA  
Supply Current  
DIM=1.2V; LPWM=50kΩ  
Ca=Cb=Cc=Cd=0.5nF(3)  
mA  
C
CT =220pF(1),  
R
RT =47kΩ(1) ;CLCT=6.8nF(2)  
Soft Start  
µA  
SST current  
4.5  
-
5.5  
6.2  
-
Temp coefficient  
(Tamb=25oC)  
420  
ppm/oC  
SST Protection Release Threshold  
VDDA VDDA VDDA  
V
-1.25  
-1.0  
-0.93  
CTIMR  
CTIMR current 1  
2.0  
-
2.5  
2.9  
-
µA  
Temp coefficient  
(Tamb=25oC)  
395  
ppm/oC  
CTIMR current 2  
20  
30  
40  
µA  
Protection release threshold  
2.9  
3.1  
3.3  
V
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 3  
OZT1060  
ELECTRICAL CHARACTERISTICS (CONTINUED)  
Parameter  
Symbol  
Test Conditions  
Limits  
Typ  
Unit  
VDDA=5V; Tamb=25oC;  
Min  
Max  
Output Driver Rds(on)  
PDR_A / PDR_C  
Sourcing=75mA  
Sinking=75mA  
12  
13  
25  
25  
35  
36  
Ω
Ω
NDR_B / NDR_D  
Enable Thresholds  
Enable  
2.3  
-
-
-
-
V
V
Disable  
1.0  
Over-Voltage Protection  
Threshold Voltage  
Open-Lamp Protection Threshold  
Open-Lamp Threshold  
OVP  
1.95  
2.54  
2.00  
2.70  
2.20  
2.82  
V
V
CMP> open-lamp threshold  
causes shutdown  
Break-Before-Make (BBM)  
BBM Time Between PDR and NDR  
150  
-
200  
495  
220  
-
ns  
Temp coefficient  
(Tamb=25oC)  
ppm/ oC  
Maximum / Minimum Duty Cycle  
Maximum Overlap  
Vsst = 3.75V ;  
Vcmp = 3.24V  
Vsst = 0.8V ;  
Vcmp = 3.5V  
91  
-
95  
-
%
%
Minimum Overlap  
2.5  
3.9  
Note (1)  
CCT: capacitor from ”CT” (Pin 18) to ground  
RRT: resistor from “RT” (Pin 17) to ground  
Note (2)  
CLCT: capacitor from “LCT” (Pin 15) to ground  
Note (3)  
Ca: capacitor from PDR_A (Pin 19) to VDDA  
Cb: capacitor from NDR_B (Pin 20) to ground  
Cc: capacitor from PDR_C (Pin 12) to VDDA  
Cd: capacitor from NDR_D (Pin 11) to ground  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 4  
OZT1060  
FUNCTIONAL BLOCK  
DIAGRAM DESCRIPTION  
The Protection Block intelligently monitors and  
differentiates the striking condition and open-  
lamp condition. The open-lamp protection  
function disables the drive circuit if a fault  
condition is encountered.  
Specific DC/DC applications can be shown with a  
Reference Application Circuit in Figure 3, page  
10. The following discussions will address the  
OZT1060 driving a DC/AC CCFL application.  
Refer to the Functional Block Diagram in Figure  
1, page 6 and the Reference Application Circuit  
in Figure 2 , page 9. The drive circuit consists  
of four outputs, PDR_A, NDR_B, PDR_C and  
NDR_D, (pins 19, 20, 12 and 11) respectively.  
The drive circuit is designed to achieve high  
efficiency, zero-voltage switching operation. The  
four power MOSFET gate output drives, PDR_A,  
NDR_B, PDR_C and NDR_D are designed such  
that switches QA/QB and QC/QD never turn-on  
simultaneously. The configuration prevents any  
shoot-through issues associated with bridge-type  
power conversion applications. CCFL current  
regulation is achieved by adjusting the overlap  
conduction between diagonal switches QA/QD  
and QB/QC. The overlap is adjusted when the  
power source voltage varies.  
A current source of 30uA coupled with an  
external capacitor and external resistor  
connected to pin 1 controls the shutdown delay  
time. The shutdown delay time will keep the  
inverter module in normal operation for a short  
period of time if the input voltage suddenly drops  
and subsequently increases to a normal level.  
The shutdown delay time is user-defined.  
The Under-Voltage Lockout block provides a  
brown-out period during which the output signals  
are disabled while the VDDA voltage drops below  
a ~3.4V threshold. OZT1060 resumes normal  
operation once VDDA voltage reaches a voltage  
threshold of greater than ~4.3V.  
The LPWM Generator Block provides a low  
frequency PWM (LPWM) function that provides  
wide dimming control for the CCFLs. The LPWM  
frequency is user-defined by connecting an  
external capacitor to LCT (pin 15). An analog  
voltage at DIM (pin 14) is compared with the LCT  
waveform that yields a LPWM signal to control  
the power delivered to the CCFLs.  
The Reference Block provides  
a precision  
reference voltage for both internal and external  
uses.  
OZT1060 is enabled with a voltage greater than  
2V applied to ENA (pin 3). A voltage of less than  
1V to ENA pin will disable the controller. Toggling  
ENA (pin 3) from High-Low-High will reset the  
controller.  
Soft-start circuitry provides a gradual increase in  
power to the drive circuit to power the CCFLs  
during the ignition period. The Soft-Start Time  
(SST) is user-defined by an external capacitor  
connected to SST (pin 4) coupled with an SST  
current source of 5.5uA.  
A High Frequency Oscillator Block generates a  
user-defined operating frequency determined by  
an external capacitor (C5) and timing resistor  
(R9) connected to CT (pin 18) and RT (pin 17)  
respectively. An external resistor (R10)  
connected to RT1 (pin 8) in parallel with RT  
determines the striking frequency.  
The current control loop monitors CCFL current  
that is sensed with a voltage at FB (pin 9). The  
voltage at FB (pin 9) is input to an Error Amplifier  
and the output, CMP (pin 10), regulates the  
CCFL current.  
OZT1060 provides an Over-Voltage Protection  
(OVP) function to safely operate the CCFLs  
under all conditions. The OVP Block regulates  
the striking voltage for the CCFL during start-up.  
The striking time is user-defined and determined  
by an external capacitor connected to CTIMR  
(pin 1) coupled with the CTIMR current source of  
2.6uA.  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 5  
OZT1060  
FUNCTIONAL BLOCK DIAGRAM  
1
20  
Fault  
Protection  
Logic  
19  
18  
17  
16  
2
3
4
ZVS  
Phase  
Shift  
Driver  
5
V-REF  
I-BIAS  
6
15  
14  
+
-
7
8
Control  
Logic  
13  
12  
11  
9
-
+
10  
Figure 1  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 6  
OZT1060  
FUNCTIONAL INFORMATION  
the voltage at ENA (pin 3) is greater than 2V. The  
soft-start time is determined by an external  
capacitor (C9) connected to the SST (pin 4). At  
start-up, as C9 charges via a charging current,  
the voltage level at the capacitor controls the  
gradual increase in power delivered to the  
transformer T1.  
1. Steady-State Operation  
Referring to the example schematic shown in  
Figure 2, page 9, OZT1060 drives a full-bridge  
power train where the transformer couples the  
energy from the power supply source to the  
CCFL. The switches in the bridge denoted as  
QA, QB, QC and QD are configured such that the  
transistors in each pair, QA/QB and QC/QD, are  
turned-on complementarily. The turn-on duration  
of the diagonal switches, QA/QD and QB/QC,  
simultaneously determines the amount of energy  
delivered to the transformer and subsequently to  
the CCFL. The current in the CCFL is sensed  
and regulated by adjusting the turn-on time  
(overlap) for both diagonal switches. This is  
accomplished through an error amplifier in the  
current feedback loop.  
4. Ignition  
The OZT1060 provides an option of selecting a  
different frequency for striking the CCFLs. The  
striking time is user-defined and determined by  
an external capacitor CCTIMR (C6) and external  
resistor RCTIMR (R5) connected to CTIMR (pin 1).  
The approximate striking time is determined by  
the following equation.  
CCTIMR[µF] x (3-(RCTIMR[kΩ] x 0.0026))  
A voltage loop is used to regulate the output  
voltage for CCFL ignition and is programmable  
by using a capacitor divider (C8/C13).  
T[second] =  
2.6  
The approximate striking frequency is determined  
by the following equation.  
Over Voltage Protection (OVP) limits the  
transformer voltage under an open-lamp  
condition. A soft-start circuit ensures a gradual  
increase in power to the CCFL. The soft-start  
capacitor (C9) determines the rate of rise of the  
voltage on the SST pin. Meanwhile, the voltage  
level determines the turn-on time of the diagonal  
switches QA/QD and QB/QC.  
65•104  
fstriking[kHz] =  
C
CT[pF]•(RRT // RRT1) [kΩ]  
Note: RRT // RRT1 means RRT is in parallel with RRT.1.  
5. Normal Operation  
The output drives for the power MOSFET gates  
include PDR_A, NDR_B, PDR_C and NDR_D  
that output a complementary square pulse. The  
operation of the four switches is implemented  
with zero-voltage switching that provides a high-  
efficiency power conversion.  
Once the IC is enabled, the voltage at SST (pin  
4) controls the rate of power delivered to the  
load. SST voltage increases to a level such that  
the CCFLs are ignited. The striking frequency is  
determined by external components R10, R9 and  
C5 connected to RT1 (pin 8), RT (pin 17) and CT  
(pin 18) respectively.  
2. Enable  
Once the external resistor R16 senses sufficient  
current, the control loop takes control and  
regulates the CCFL current. The normal  
operating frequency is determined by the  
combination of external resistor R9 and external  
capacitor C5. The operating frequency is  
approximated by the following equation.  
OZT1060 is enabled when the voltage on ENA  
(pin 3) is greater than 2V. A voltage of less than  
1V disables the IC. When the inverter controller is  
disabled, it draws approximately 200uA. An  
under-voltage lockout protection feature is  
provided that will disable the IC if VDDA voltage  
drops below an ~3.4V threshold. The IC will  
resume normal operation once VDDA reaches a  
threshold voltage of greater than ~4.3V.  
65•104  
fop[kHz] =  
CCT[pF]•RRT[kΩ]  
3. Soft-Start  
To avoid component stresses and in-rush current  
to the CCFLs during ignition, a soft start function  
is implemented to provide reliable CCFL  
operation. The soft-start function is initiated when  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 7  
OZT1060  
7. Over-Voltage Protection &  
6. Open Lamp Protection  
Striking Time  
If the controller encounters an open lamp,  
damaged lamp or lamp removal during normal  
operation, the control loop generates a protection  
signal and will immediately shutdown the  
controller.  
During start-up, once the voltage at the  
transformer secondary reaches a programmed  
threshold, the control loop takes over and  
regulates the voltage at the transformer  
secondary. SST voltage at pin 4 is held constant  
and CTIMR is activated to provide additional time  
to ignite an aged CCFL. If no current is sensed  
after approximately 1 to 2 seconds, the controller  
shuts down. Toggling the ENA pin will reset the  
controller.  
OZT1060 provides a shutdown delay feature that  
keeps the inverter module in normal operation if  
the input voltage suddenly drops and  
subsequently recovers. The shutdown delay time  
is user-defined by external resistor RCTIMR (R5)  
and external capacitor CCTIMR (C6) connected to  
CTIMR (pin 1).  
8. PWM Dimming Control  
The shutdown delay time is approximated by the  
following equation:  
OZT1060 provides  
a
low frequency PWM  
(LPWM) dimming function to perform a wide  
dimming range of 0% to 100%. The LPWM  
frequency is determined by external capacitor  
C10 connected to LCT (pin 15). The frequency is  
approximated by the following equation.  
CCTIMR[µF] x (3 – (RCTIMR [kΩ] * 0.03))  
T[second] =  
30  
Note: RCTIMR (R5) value equal or greater than  
1496  
110kΩ will result in zero delay time.  
f LF[Hz] =  
CLCT[nF]  
Toggling ENA (pin 3) from High-Low-High resets  
the controller.  
The LPWM frequency is user-defined by the  
selection of external capacitor C10. An analog  
voltage at DIM (pin 14) is compared with the LCT  
waveform that yields a LPWM signal to control  
the power delivered to the CCFLs. The typical  
peak and valley of the LCT waveform is ~2.06V  
and ~0.31V respectively.  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 8  
Rented on 1/10/2005. This is a ONE-TIME copy. Updates will not be provided.  
OZT1060  
REFERENCE APPLICATION CIRCUIT  
VIN: 8.0V - 22V  
VADJ: 2.1V Max. Brightness; 0.6V Min. Brightness  
Striking frequency: 75.1KHz  
Figure 2  
Operating frequency: 63KHz  
5VDC: 4.75V – 5.25V  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 9  
Rented on 1/10/2005. This is a ONE-TIME copy. Updates will not be provided.  
OZT1060  
DC/DC REFERENCE APPLICATION CIRCUIT  
Figure 3  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 10  
OZT1060  
PACKAGE INFORMATION – 20-PIN SOIC 300mil: OZT1060G  
b
11  
20  
D etail X  
H
E
1
10  
e
c
D
Y
S E AT IN G P LA N E  
N O TE S :  
1. R E FE R T O JE D E C S TD . M S -013 AC .  
2. D IM E N S IO N S "D " D O E S N O T IN C LU D E M O LD FLAS H , P R O TR U S IO N S O R G ATE B U R R S . M O LD  
FL AS H , P R O TR U S IO N S AN D G ATE B U R R S S H ALL N O T E X C E E D 0.15m m (6m il) P E R S ID E .  
3. D IM E N S IO N S "E " D O S E N O T IN C LU D E IN TE R LE AD F LAS H O R P R O TU R S IO N S . IN TE R -LE AD  
FL AS H AN D P R O TR U S IO N S S H ALL N O T E X C E E D 0.25m m (10m il) P E R S ID E .  
4. C O N TR O LLIN G D IM E N S IO N : M IL LIM E TE R  
h x 45O  
MILLIMETERS  
MIL  
NOM  
100  
8
SYMBOL  
MIN  
NOM  
2.54  
MAX  
MIN  
93  
4
MAX  
104  
12  
A
A1  
b
2.36  
0.10  
0.35  
0.23  
12.60  
7.40  
2.64  
0.30  
0.48  
0.31  
13.00  
7.60  
0.20  
0.406  
0.254  
12.80  
7.50  
14  
9
16  
19  
c
10  
12  
512  
299  
D
E
e
496  
291  
504  
295  
50 BSC  
406  
26  
1.27 BSC  
10.31  
0.66  
H
h
10.00  
0.25  
0.51  
-
10.65  
0.75  
1.02  
0.075  
8°  
394  
10  
20  
-
419  
30  
40  
3
θ
L
0.76  
30  
L
DETAIL "X"  
Y
θ
-
-
-
-
0°  
0°  
8°  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page
11  
OZT1060  
IMPORTANT NOTICE  
No portion of O2Micro specifications/datasheets or any of its subparts may be reproduced in any form, or by  
any means, without prior written permission from O2Micro.  
O2Micro and its subsidiaries reserve the right to make changes to their datasheets and/or products or to  
discontinue any product or service without notice, and advise customers to obtain the latest version of  
relevant information to verify, before placing orders, that information being relied on is current and complete.  
All products are sold subject to the terms and conditions of sale supplied at the time of order  
acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability.  
O2Micro warrants performance of its products to the specifications applicable at the time of sale in  
accordance with O2Micro’s standard warranty. Testing and other quality control techniques are utilized to the  
extent O2Micro deems necessary to support this warranty. Specific testing of all parameters of each device  
is not necessarily performed, except those mandated by government requirements.  
Customer acknowledges that O2Micro products are not designed, manufactured or intended for  
incorporation into any systems or products intended for use in connection with life support or other  
hazardous activities or environments in which the failure of the O2Micro products could lead to death, bodily  
injury, or property or environmental damage (“High Risk Activities”). O2Micro hereby disclaims all warranties,  
and O2Micro will have no liability to Customer or any third party, relating to the use of O2Micro products in  
connection with any High Risk Activities.  
Any support, assistance, recommendation or information (collectively, “Support”) that O2Micro may provide  
to you (including, without limitation, regarding the design, development or debugging of your circuit board or  
other application) is provided “AS IS.” O2Micro does not make, and hereby disclaims, any warranties  
regarding any such Support, including, without limitation, any warranties of merchantability or fitness for a  
particular purpose, and any warranty that such Support will be accurate or error free or that your circuit  
board or other application will be operational or functional. O2Micro will have no liability to you under any  
legal theory in connection with your use of or reliance on such Support.  
COPYRIGHT © 2004, O2Micro International Limited  
CONFIDENTIAL  
OZT1060-DS-1.2  
Page 13  
12  
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