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0RQB-C5T14

型号：

0RQB-C5T14

描述：

隔离式DC / DC转换器[ ISOLATED DC/DC CONVERTERS ]

品牌：

BEL[ BEL FUSE INC. ]

页数：

13 页

PDF大小：

213 K

下载PDF手册
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
0RQB-C5T14x  
RoHS Compliant  
Preliminary  
•
•
•
•
•
•
•
•
Isolated  
•
Over Temperature Protection  
SCP/OCP  
Fixed Frequency (250 kHz)  
High Efficiency  
•
•
•
•
•
•
Low Cost  
High Power Density  
Remote On/Off  
Input Under-Voltage Lockout  
Input Over-Voltage Lockout  
Output Over-Voltage Shutdown  
Basic Isolation  
Positive/Negative Remote Sense  
Output Voltage Trim  
Class 2, Category 2, Isolated DC/DC Converter (refer to IPC-9592)  
Applications  
•
•
•
Networking  
Computers and peripherals  
Telecommunications  
Description  
The 0RQB-C5T14x is an isolated DC/DC converter that operate from a nominal 48V source. This unit will  
provide up to 140W of output power from a nominal 48V input. This unit is designed to be highly efficient and low  
cost . Features include remote on/off, over current protection and overvoltage protection. The converter is  
provided in an industry standard quarter brick package.  
Part Selection  
Output Voltage  
Input Voltage  
Max. Output  
Current  
Max. Output  
Power  
Typical  
Efficiency  
Model Number  
Active High  
Model Number  
Active Low  
14 Vdc  
36 Vdc - 75Vdc  
10 A  
140 W  
93.5%  
0RQB-C5T140  
0RQB-C5T14L  
Note: Add “G” suffix at the end of the model number to indicate Tray Packaging.  
Part Number Explanation  
0 R QB – C5 T 14 x  
1 2  
3
4
5
6
7
1---Through hole  
2---RoHS 6, change “R” to “7” means RoHS 5  
3---Series name  
4---Series code  
5---Input range (36-75V)  
6---Output voltage (14V)  
7---Suffix  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
1
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Absolute Maximum Ratings  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Unit  
Parameter  
Min  
Typ  
Max  
Notes  
Continuous non-operating Input  
Voltage  
-0.3  
-
80  
V
Input Transient Voltage  
Remote On/Off  
-
-
-
-
-
-
100  
18  
V
V
100mS maximum  
-0.3  
-
I/O Isolation Voltage  
Ambient Temperature  
Storage Temperature  
1500  
85  
V
-40  
-55  
°C  
°C  
125  
Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may  
permanently damage the device.  
Input Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Operating Input Voltage  
36  
48  
75  
V
Input Current (full load)  
Input Current (no load)  
Remote Off Input Current  
-
-
-
-
5.0  
120  
20  
A
Vin=36 V  
80  
10  
mA  
mA  
With simulated source impedance of  
10 uH, 5 Hz to 20 MHz; Use a  
1uF/100V ceramic capacitor and a  
100uF/100V electrolytic capacitor with  
ESR=1 ohm max, at 200KHz@25°C.  
Input Reflected Ripple Current  
(pk-pk)  
-
35  
10  
50  
15  
mA  
Input Reflected Ripple Current  
(rms)  
I2t Inrush Current Transient  
Turn-on Voltage Threshold  
Turn-off Voltage Threshold  
-
-
mA  
-
1
A2s  
V
34.5  
33.5  
35.5  
32.5  
V
CAUTION: This converter is not internally fused. An input line fuse must be used in application.  
Recommend a fast-acting fuse with maximum rating of 7A on system board. Refer to the fuse  
manufacture’s datasheet for further information.  
Notes: 1. This converter has internal C-L-C (0.47uF-0.47uH-8.8uF) filter.  
2. All specifications are typical at 25 °C unless otherwise stated.  
Output Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Vin=48V, Io=50% load at 25C  
ambient.  
Output Voltage Set Point  
13.72  
14  
14.28  
V
Load Regulation  
Line Regulation  
-
-
±14  
±14  
±28  
±28  
mV  
mV  
Regulation Over Temperature  
(-40deg.C-85deg.C)  
-
±140  
mV  
±70  
0 - 20 MHz BW, with 1 uF ceramic  
load capacitor and a 10 uF tantalum  
capacitor at output  
Ripple and Noise (pk-pk)  
Ripple and Noise (rms)  
-
-
180  
50  
mV  
mV  
120  
25  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
2
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Output Specifications (continued)  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Output Ripple and Noise(pk-pk)  
under worst case  
over all operating input voltage, load  
and ambient temperature condition  
220  
mV  
Output Current Range  
Output DC Current Limit  
Short Circuit Surge Transient  
Rise Time  
0
10  
14  
5
A
A
10.5  
12  
A2s  
12  
60  
50  
3
mS  
6
30  
25  
0
mS Enable from Vin  
Turn on Time  
mS Enable from on/off  
Overshoot at Turn on  
Output Capacitance  
Transient Response  
%
0
680  
uF  
Overshoot  
Settling Time  
Overshoot  
-
-
-
-
400  
200  
400  
200  
600  
300  
600  
300  
mV  
△V25%~50% of  
di/dt=0.1A/us, Vin=48 Vdc, with a 1 µF  
Max Load  
uS  
mV  
uS  
ceramic capacitor and a 10 uF  
Tantalum capacitor at output,  
Ta=25 °C.  
△V50%~25% of  
Max Load  
Settling Time  
Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated.  
General Specifications  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Efficiency  
91.5  
93.5  
-
%
Vin=48V, full load, Ta=25°C  
Switching Frequency  
-
-
250  
125  
-
-
kHz  
Over Temperature Protection  
°C  
This voltage is achieved by trimming  
up output slowly  
Over Voltage Protection(Static)  
Weight  
-
-
17  
48  
-
-
V
g
Calculated Per Bell Core SR-332  
(Vin=48V, Vo=12V, Io=9.6A, Ta = 25  
°C, FIT=109/MTBF)  
FIT  
TBD  
-
-
Dimensions  
Inches (L × W × H)  
Millimeters (L × W × H)  
2.30 x 1.45 x 0.50  
58.42 x 36.83 x 12.69  
Isolation characteristics  
Input to Output  
-
-
1500  
V
V
Input to Case  
-
-
1500  
Output to Case  
-
10M  
-
-
-
500  
V
Isolation Resistance  
Isolation Capacitance  
-
-
ohm  
pF  
3900  
Note: All specifications are typical at 25 °C unless otherwise stated.  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
3
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Efficiency Data  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
95.00%  
90.00%  
EFFICIENCY  
85.00%  
80.00%  
75.00%  
70.00%  
36 V  
48 V  
75V  
1A  
2.5A  
5A  
7.5A  
10A  
OUTPUT CURRENT(A)  
Thermal Derating Curve  
Maximum junction temperature of semiconductors derated to 120 degree C.  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
4
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Thermal Derating Curve (continued)  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Derating curve under 48V input  
V
Ripple and Noise Waveform  
Note: Ripple and noise at full load, 48Vdc input, 14Vdc/10A output and Ta=25 deg C, and with a 1uF ceramic  
cap and a 10 uF Tantalum cap at output. .  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
5
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Transients Responses Waveforms  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Vout= 14V 25%-50% Load Transients at Vin=48V@Ta=25℃  
Vout= 14V 50%-25% Load Transients at Vin=48V@Ta=25℃  
Note: Transients response at di/dt=0.1 A/us, with a 1 µF ceramic capacitor and a 10 uF tantalum capacitor at the  
output, Ta=25 deg C.  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
6
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Remote On/Off  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Parameter  
Min  
Typ  
Max  
Unit  
Notes  
Signal Low (Unit On)  
Signal High (Unit Off)  
Signal Low (Unit Off)  
Signal High (Unit On)  
Current Sink  
-0.3  
-
0.8  
V
0RQB-C5T14L. The remote on/off pin  
open, Unit off.  
Active Low  
Active High  
2.4  
-0.3  
2.4  
0
-
-
-
-
18  
0.8  
18  
1
V
V
0RQB-C5T140. The remote on/off pin  
open, Unit on.  
V
mA  
Recommended remote on/off circuit for active low  
Vin+  
Vin+  
On/off  
Vin-  
On/off  
Vin-  
Control with open collector/drain circuit  
Control with photocoupler circuit  
Vin+  
Vin+  
Vcc  
On/off  
On/off  
Vin-  
Vin-  
Control with logic circuit  
Permanently on  
Remote On/Off(continued)  
Recommended remote on/off circuit for active high  
Vin+  
On/off  
Vin-  
Vin+  
On/off  
Vin-  
Control with open collector/drain circuit  
Control with photocoupler circuit  
Vin+  
Vin+  
Vcc  
On/off  
Vin-  
On/off  
Vin-  
Control with logic circuit  
Permanently on  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
7
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Output Trim Equations  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected  
between the Trim pin and Sense (-) pin. The Trim Up resistor should be connected between the Trim pin and the  
Sense (+). Only one of the resistors should be used for any given application.  
Minimum trim down voltage is 12.6V  
Maximum trim up voltage is 15.4V.  
The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.  
Sense(+)  
511  
Module  
Module  
Trim  
Rtrimdown =  
−10.22  
[
kΩ  
]
Rtrimdown  
Rtrimup  
delta  
Sense(-)  
Sense(+)  
Trim  
(100+delta)⋅Vo⋅5.11−626  
1.225⋅delta  
Rtrimup=  
−10.22  
[
kΩ  
]
Sense(-)  
Note:  
(
Vo _ req −Vo  
)
delta =  
×100  
[%]  
Vo  
Vo_req=Desired (trimmed) output voltage [V]  
Output voltage Vo=14.000 V  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
8
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Remote Sense  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
This module has remote sense compensation feature. It can minimize the effects of resistance between  
module’s output and load in system layout and facilitates accurate voltage regulation at load terminals or  
other selected point.  
1. The remote sense lines carries very little current and hence do not require a large cross-sectional area.  
2. This module compensates for a maximum drop of 10% of the nominal output voltage.  
3. If the unit is already trimmed up, the available remote sense compensation range should be  
correspondingly reduced. The total voltage increased by trim and remote sense should not exceed 10%  
of the nominal output voltage.  
4. When using remote sense compensation, all the resistance, parasitic inductance and capacitance of the  
system are incorporated within the feedback loop of this module. It can make an effect on the module's  
compensation, affecting the stability and dynamic response. A 0.1uF ceramic capacitor can be  
connected at the point of load to de-couple noise on the sense wires.  
5. Recommend the connection of remote sense compensation as below figure. There are a resistor RS+  
(100 ohm) from Vo+ to Sense+ and a resistor RS- (51 ohm)) from Vo- to Sense- inside of this module.  
Vo+  
Sense+  
Load  
Sense-  
Vo-  
6. If not using remote sense compensation, please connect sense directly to output at module's pin, that is,  
connect sense+ to Vo+ and sense- to Vo- at module's pin, the shorter the better. See below figure.  
Vo+  
Sense+  
Load  
Sense-  
Vo-  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
9
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Over Current Protection  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
To provide protection in a fault output overload condition, the module is equipped with internal current-limiting  
circuitry and can endure current limiting for a few mili-seconds. If the over-current condition persists beyond a few  
milliseconds, the module will shut down into hiccup mode and restart once every 400mS. The module operates  
normally when the output current goes into specified range. The typical average output current is 0.5A during  
hiccup.  
Vin=48V  
Expansion of on time portion  
Over Voltage Protection  
The output over voltage protection consists of circuitry that monitors the voltage on the output terminals. If the  
voltage on the output terminals exceeds the over voltage protection threshold, the module will shutdown into  
hiccup mode and restart once every 800mS. The module operates normally when the fault is cleared.  
Test setup:  
R=10K  
Waveform:  
Vo+  
Trim  
Vo-  
K
R
Sense+  
Trim  
K
R
48Vin,10A Load  
Sense-  
CH1: Output voltage waveform  
CH2: Input voltage waveform  
CH3: Output Current waveform  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
10  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Over Temperature Protection  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
The OTP is achieved by thermistor RT1 and the threshold is set at 120C in non-latch mode; the hottest  
component Q13 reaches 130C with 100LFM air flow correspondingly. It will restart automatically when the  
temperature falls down to 110C. The protecting point will be varied a little under different conditions (air flow,  
ambient temperature, input voltage, load...).  
Input Under-voltage Lockout  
Under-voltage Lockout  
Voltage Falling  
V1=33.5V  
V2=34.5V  
Voltage Rising  
Input Voltage (V)  
V1  
V2  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
11  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Mechanical Outline  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Pin Connections  
Pin  
Function  
Pin Size  
0.040’’  
0.040’’  
0.040’’  
0.060’’  
0.040’’  
0.040’’  
0.040’’  
0.060’’  
1
Vin(+)  
2
On/Off  
Vin(-)  
3
4
Vo(-)  
5
Sense(-)  
TRIM  
6
7
Sense(+)  
Vo(+)  
8
Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered  
using a peak solder temperature of no more than 260ºC for less than 5 seconds.  
Note:  
1) All Pins: Material - Copper Alloy;  
Finish – 3 micro inches minimum Gold over 50 micro inches minimum Nickel plate.  
2) Undimensioned components are shown for visual reference only.  
3) All dimensions in inches (mm); Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm).  
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com  
12  
ISOLATED DC/DC CONVERTERS  
36 Vdc - 75 Vdc Input 14 Vdc /10 A Output, 1/4 Brick Converter  
Oct. 07, 2011  
Bel Power Inc., a subsidiary of Bel Fuse Inc.  
Revision History  
Date  
Revision  
PA  
Changes Detail  
Approval  
2011-10-7  
First release  
JZ Wang  
RoHS Compliance  
Complies with the European Directive 2002/95/EC, calling for the elimination of lead and  
other hazardous substances from electronic products.  
©2010 Bel Fuse Inc. Specifications subject to change without notice.100711  
13  
CORPORATE  
FAR EAST  
EUROPE  
Bel Fuse Inc.  
Bel Fuse Ltd.  
Bel Fuse Europe Ltd.  
206 Van Vorst Street  
Jersey City, NJ 07302  
Tel 201-432-0463  
Fax 201-432-9542  
www.belfuse.com  
8F/ 8 Luk Hop Street  
San Po Kong  
Kowloon, Hong Kong  
Tel 852-2328-5515  
Fax 852-2352-3706  
www.belfuse.com  
Preston Technology Management Centre  
Marsh Lane, Suite G7, Preston  
Lancashire, PR1 8UD, U.K.  
Tel 44-1772-556601  
Fax 44-1772-888366  
www.belfuse.com  
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