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WTN9973
Surface Mount N-Channel Enhancement Mode Power MOSFET
2,4 DRAIN
DRAIN CURRENT 3.9 AMPERES DRAIN SOURCE VOLTAGE 60 VOLTAGE
1 GATE 3 SOURCE
4 1. GATE 2. DRAIN 3. SOURCE 4. DRAIN 1 2
Features:
*Super high dense cell design for low RDS(ON) RDS(ON)<80m@VGS=10V *Simple Drive Requirement *Low Gate Charge *SOT-223 Package
3
SOT-223
( Maximum Ratings(TA=25 Rating
Drain-Source Voltage Gate-Source Voltage
Unless Otherwise Specified) Symbol
VDS VGS ID IDM PD RJA TJ, Tstg
Value
60
Unit
V
20 3.9 2.5 20 2.7 45 -55~+150 W /W A
Continuous Drain Current3 ,VGS@10V(TA=25) ,VGS@10V(TA=70) Pulsed Drain Current1,2 Total Power Dissipation(TA=25 ) Maximum Junction-ambient3 Operating Junction and Storage Temperature Range
Device Marking
WTN9973=9973
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WTN9973
Electrical Characteristics (TA = 25
Characteristic Unless otherwise noted) Symbol Min Typ Max Unit
Static
Drain-Source Breakdown Voltage VGS=0,ID=250A Gate-Source Threshold Voltage VDS=VGS,ID=250A Gate-Source Leakage Current VGS= 20V Drain-Source Leakage Current(Tj=25) VDS=60V,VGS=0 Drain-Source Leakage Current(Tj=70) VDS=48V,VGS=0 Drain-Source On-Resistance VGS=10V,ID=3.9A VGS= VDS= V,I = D V,I D= A A gfs Forward Transconductance
2
V(BR)DSS VGS IGSS
60 1.0 -
-
V 3.0 nA
100 1
IDSS 25
A
RDS(on)
-
3.5
80 100 -
m
S
Dynamic
Input Capacitance VGS=0V,VDS=25V,f=1.0MHz Output Capacitance VGS=0V,VDS=25V,f=1.0MHz Reverse Transfer Capacitance VGS=0V,VDS=25V,f=1.0MHz Ciss Coss Crss 700 80 50 1120 pF
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WTN9937
Switching
Turn-on Delay Time2 VDS=30V,VGS=10V,ID=1A,RD=30,RG=3.3 Rise Time VDS=30V,VGS=10V,ID=1A,RD=30,RG=3.3 Turn-off Delay Time VDS=30V,VGS=10V,ID=1A,RD=30,RG=3.3 Fall Time VDS=30V,VGS=10V,ID=1A,RD=30,RG=3.3 Total Gate Charge2 VDS=48V,VGS=4.5V,ID=3.9A Gate-Source Charge VDS=48V,VGS=4.5V,ID=3.9A Gate-Source Change VDS=48V,VGS=4.5V,ID=3.9A td(on) 8 4 20 6 8 2 4 ns td (off) 13 nC
tr
tf
Qg Qgs Qgd
Source-Drain Diode Characteristics
Forward On Voltage2 =0V, Reverse Recovery Time VGS=0V, VGS=0V dl/dt=100A/s ,dl/dt=100A/s Reverse Recovery Charge VSD 28 35 1.2 V ns nC
Trr Qrr
Note: 1. Pulse width limited by max, junction temperature. 2. pulse width300s, duty cycle2%. 3. Surface mounted on 1 in2 copper pad of FR4 board; 135/W when mounted on min, copper pad.
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WTN9973
40 35
TA=25C
10V 6.0V
30
TA=160C
10V 6.0V 5.0V 4.5V
25
ID ,DRAIN CURRENT (A)
4.5V
ID ,Drain Current (A)
30 25 20 15 10 5 0
0 1 2 3 4 5 6
5.0V
20 15 10 5 0
VG=3.0V
VG=3.0V
7 8
0
1
FIG.1 Typical Output Characteristics
95 90 85 2.5
VDS ,DRAIN-TO-SOURCE VOLTAGE(V)
Fig.2 Typical Output Characteristics
VDS ,Drain-to-source Voltage(V)
2
3
4
5
6
7
8
ID = 3.9A TA = 25C Normalized RDs(on)
2.0 1.5 1.0 0.5 0.0
ID = 3.9A VG = 10V
RDs(on) (m)
80 75 70
3
Fig.3 On-Resistance v.s. Gate Voltage
4 2.5
VGS ,Gate-to-source Voltage(V)
5
7
9
11
-50
0
50
100
150
Fig.4 Normalized OnResistance
Tj ,Junction Temperature(C)
3
2.0
RDs(on) (m)
2
RDs(on) (m)
1.4
Tj = 150C
Tj = 25C
1.5
1
1.0
0
0
0.2
Fig.5 Forward Characteristics of Reverse Diode
VDS ,Source-to-Drain Voltage(V)
0.4
0.6
0.8
1
1.2
0.5
-50
Fig.6 Gate Threshold Voltage v.s. Junction Temperature
Tj ,Junction Temperature(C)
0
50
100
150
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WTN9973
14
10000
f = 1.0MHz
VGS , Gate to Source Voltage(V)
12 10 8 6 4 2 0
ID = 3.9A VDS = 30V VDS = 38V VDS = 48V C(pF)
1000
Ciss
100
Coss Crss
0
4
8
12
16
20
0
1
5
9
13
17
21
25
29
Fig 7. Gate Charge Characteristics
100
QG , Total Gate Charge(nC)
VDS, Drain-to-Source Voltage(V)
Fig 8. Typical Capacitance Characteristics
1
Duty factor = 0.5 0.2
10
Normalized Thermal Response(R ja)
0.1
0.1 0.05 0.02 0.01
PDM
ID(A)
1
1ms 10ms
t T
0.01
0.1
100ms TA = 25C Single Pulse Is DC
Duty factor = t / T Peak Tj=PDM x R ju + Tu R ja=135C / W
Single pulse
0.001
0.01
0.1
VDS , Drain-to-Source Voltage(V)
1
10
100
1000
0.0001
0.001
0.01
0.1
1
10
100
1000
t, Pulse Width(s)
Fig 9. Maximum Safe Operation Area
VDS 90%
Fig 10. Effective Transient Thermal Impedance
VG QG QGS QGD
4.5V
10% VGS td(on) tr td(off) tf Charge Q
Fig 11. Switching Time Circuit
Fig.12 Gate Charge Waveform
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WTN9973
SOT-223 Outline Dimensions
unit:mm
A F
DIM
4
S
1
2
3
B
L
D G C H M K J
A B C D F G H J K L M S
MILLIMETERS MIN MAX
6.30 3.30 1.50 0.60 2.90 2.20 0.020 0.24 1.50 0.85 0 6.70
6.70 3.70 1.75 0.89 3.20 2.40 0.100 0.35 2.00 1.05 10 7.30
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