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WT4884AM

型号:

WT4884AM

描述:

表面贴装N沟道增强型MOSFET[ Surface Mount N-Channel Enhancement Mode MOSFET ]

品牌:

WEITRON[ WEITRON TECHNOLOGY ]

页数:

6 页

PDF大小:

260 K

WT4884AM  
Surface Mount N-Channel  
Enhancement Mode MOSFET  
DRAIN CURRENT  
P b  
Lead(Pb)-Free  
12 AMPERES  
DRAIN SOURCE VOLTAGE  
Features:  
30 VOLTAGE  
*Super high dense cell design for low RDS(ON)  
R
R
<6 m@V =10V  
DS(ON)  
DS(ON)  
GS  
<8.5 m@V =4.5V  
GS  
*Rugged and Reliable  
*SO-8 Package  
1
SO-8  
Maximum Ratings (TA=25 C Unless Otherwise Specified)  
Rating  
Drain-Source Voltage  
Gate-Source Voltage  
Symbol  
Value  
30  
Unite  
V
DS  
V
GS  
V
V
A
+
20  
-
(1)  
(1)  
Continuous Drain Current (T =125 C)  
J
I
D
12  
(2)  
44  
Pulsed Drain Current  
I
A
A
DM  
I
Drain-Source Diode Forward Current  
S
1.7  
2.5  
50  
(1)  
Power Dissipation  
P
W
D
(1)  
Maximax Junction-to-Ambient  
R
C/W  
θ
JA  
Operating Junction and Storage  
Temperature Range  
T ,Tstg  
J
-55 to 150  
C
Device Marking  
WT4884AM=STM4884A  
WEITRON  
http://www.weitron.com.tw  
1/6  
01-Aug-05  
WT4884AM  
Electrical Characteristics (T =25 C Unless otherwise noted)  
A
Min  
Typ  
Max  
Characteristic  
Symbol  
Unit  
(2)  
Static  
Drain-Source Breakdown Voltage  
V =0V, I =250 uA  
V
(BR)DSS  
-
1.6  
-
-
V
V
30  
1
D
GS  
Gate-Source Threshold Voltage  
V =V , I =250 uA  
V
3
GS (th)  
D
DS GS  
Gate-Source Leakage Current  
+
-
I
-
GSS  
100  
nA  
uA  
+
-
GS  
V =0V,V = 20V  
DS  
Zero Gate Voltage Drain Current  
V =24V,V =0V  
I
-
-
DSS  
1
DS  
GS  
rDS (on)  
Drain-Source On-Resistance  
V =10V, I =12A  
m  
-
-
6
7
GS  
D
V =4.5V, I =10A  
8.5  
11  
GS  
D
On-State Drain Current  
V =10V,V =10V  
I
D(on)  
-
-
20  
-
A
S
DS  
GS  
Forward Transconductance  
V =15V, I =12A  
g
fs  
-
22  
DS  
D
(3)  
Dynamic  
Input Capacitance  
V =15V,V =0V, f=1MHZ  
C
-
-
-
iss  
-
-
3150  
680  
DS  
GS  
Output Capacitance  
V =15V,V =0V, f=1MHZ  
C
oss  
F
P
DS  
GS  
Reverse Transfer Capacitance  
V =15V,V =0V, f=1MHZ  
C
rss  
510  
-
DS  
GS  
(3)  
Switching  
Turn-On Delay Time  
t
-
-
-
-
-
-
nS  
nS  
d(on)  
27  
13  
V
=10V,V =15V, I =1A, R =6  
GS  
DD  
D
GEN  
Rise Time  
V
t
r
=10V,V =15V, I =1A, R =6Ω  
GS  
DD  
D
GEN  
Turn-Off Time  
V
t
nS  
nS  
127.5  
55.5  
d(off)  
-
-
=10V,V =15V, I =1A, R =6Ω  
GS  
DD  
D
GEN  
Fall Time  
V
t
f
=10V,V =15V, I =1A, R =6Ω  
GS  
DD  
D
GEN  
Total Gate Charge  
V =15V, I =12A,V =10V  
nc  
-
-
65  
GS  
-
-
DS  
D
Qg  
V =15V, I =12A,V =4.5V  
30.5  
GS  
DS  
D
Gate-Source Charge  
V =15V, V =10V, I =12A  
Qgs  
-
-
11  
13  
nc  
nc  
-
-
DS  
GS  
D
Gate-Drain Charge  
V =15V, V =10V, I =12A  
Qgd  
DS  
GS  
D
Diode Forward Voltage  
Drain-Source  
-
0.75  
1.2  
VSD  
V
V =0V, I =1.7A  
GS  
S
<
Note:  
_
1. Surface Mounted on FR4 Board t 10sec.  
<
<
_
_
2. Pulse Test : PW 300us, Duty Cycle 2%.  
3. Guaranteed by Design, not Subject to Production Testing.  
WEITRON  
http://www.weitron.com.tw  
2/6  
01-Aug-05  
WT4884AM  
WE ITR ON  
20  
15  
10  
5
20  
VGS=3.5V  
VGS=4V  
16  
VGS=4.5V  
VGS=10V  
12  
125 C  
25 C  
VGS=3V  
8
4
-55 C  
1
0
VGS=2.5V  
2.5  
0
0
0.6  
1.2  
1.8  
3.6  
0.5  
1
1.5  
2
3
2.4  
3.0  
0
VGS, Gate-to-Source Voltage (V)  
VDS, Drain-to-Source Voltage (V)  
Fig.2 Transfer Characteristics  
Fig.1 Output Characteristics  
1.8  
4200  
VGS=10V  
ID=12A  
1.6  
1.4  
1.2  
3500  
2800  
2100  
1400  
Ciss  
1.0  
0.8  
Coss  
700  
0
Crss  
0.6  
-55 -25  
0
25  
125  
50  
75  
100  
0
5
10  
15  
20  
25  
30  
Tj, Junction Temperature ( C)  
VDS, Drain-to Source Voltage (V)  
Fig.3 Capacitance  
Fig.4 On-Resistance Variation with Temperature  
1.3  
1.2  
1.15  
VDS=VGS  
ID=250uA  
ID=250uA  
1.10  
1.05  
1.1  
1.0  
0.9  
1.00  
0.95  
0.90  
0.85  
0.8  
0.7  
0.6  
-50 -25  
0
25 50 75 100 125  
-50 -25  
0
25 50 75 100 125  
Tj, Junction Temperature (˚C)  
Tj, Junction Temperature (˚C)  
Fig.6 Breakdown Voltage Variation  
with Temperature  
Fig.5 Gate Threshold Variation  
with Temperature  
WEITRON  
http://www.weitron.com.tw  
3/6  
01-Aug-05  
WT4884AM  
WE ITR ON  
30  
24  
20.0  
10.0  
VGS=0V  
18  
12  
6
0
VDS=10V  
15  
1.0  
0
5
10  
20  
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
IDS, Drain-Source Current (A)  
VSD, Body Diode Forward Voltage (V)  
Fig.7 Transconductance Variation  
with Drain Current  
Fig.8 Body Diode Forward Voltage  
Variation with Source Current  
10  
50  
t
i
m
i
VDS=15V  
L
)
N
8
6
4
10  
1
O
(
ID=12A  
RDS  
1
0
m
s
1
s
0
0
m
s
1
D
C
0.1  
VGS=10V  
Single Pulse  
TA=25 C  
2
0
0.03  
36 45  
0
9
27  
54 63 72  
18  
0.1  
1
10 30 50  
Qg, Total Gate Charge (nC)  
VDS, Drain-Source Voltage (V)  
Fig.10 Maximum Safe Operating Area  
Fig.9 Gate Charge  
VDD  
on  
t
toff  
d(off)  
t
r
t
d(on)  
t
R L  
f
t
5
V IN  
90%  
10%  
90%  
D
OUT  
V
OUT  
V
V
VGS  
10%  
INVERTED  
R GEN  
G
90%  
50%  
50%  
S
IN  
10%  
PULSE WIDTH  
FIG.11 Switching Test Circuit  
FIG.12 Switching Waveforms  
WEITRON  
http://www.weitron.com.tw  
4/6  
01-Aug-05  
WT4884AM  
WE ITR ON  
10  
1
Duty Cycle=0.5  
0.2  
DM  
P
0.1  
0.1  
1
t
0.05  
2
t
1. R j  
A
(t)=r (t) * R j  
θ
θ A  
0.02  
2. R j =See Datasheet  
A
θ
3. TjM-TA = PDM* R j (t)  
A
θ
4. Duty Cycle, D=t /t  
Single Pulse  
0.001  
1
2
0.01  
0.0001  
0.01  
0.1  
1
10  
100  
SQUARE WAVE PULSE DURATION(SEC)  
FIG.13 NORMALIZED THERMAL TRANSIENT IMPEDANCE CUREVE  
WEITRON  
http://www.weitron.com.tw  
5/6  
01-Aug-05  
WT4884AM  
SO-8 Package Outline Dimensions  
Unit:mm  
1
θ
L
E1  
7(4X)  
D
(4X)  
7
B
e
eB  
MILLIMETERS  
SYMBOLS  
MIN  
1.35  
0.10  
0.35  
0.18  
4.69  
3.56  
5.70  
MAX  
1.75  
0.20  
0.45  
0.23  
4.98  
4.06  
6.30  
A
A1  
B
C
D
E1  
eB  
e
1.27 BSC  
0.60  
0
0.80  
8
L
θ
WEITRON  
http://www.weitron.com.tw  
6/6  
01-Aug-05  
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