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STP40NF20 - STF40NF20 STB40NF20 - STW40NF20
N-channel 200V - 0.038 -40A- D2PAK/TO-220/TO-220FP/TO-247 Low gate charge STripFETTM Power MOSFET
Features
Type STB40NF20 STP40NF20 STF40NF20 STW40NF20

VDSS 200V 200V 200V 200V
RDS(on) <0.045 <0.045 <0.045 <0.045
ID 40A 40A 40A 40A
PW 160W 160W 40W 160W TO-220
1 2
3
3
1
D2PAK
Gate charge minimized Very low intrinsic capacitances Very good manufacturing repeatability Excellent figure of merit (RDS*Qg) 100% avalanche tested Figure 1. Internal schematic diagram
1 2 3
TO-220FP
TO-247
Description
This Power MOSFET series realized with STMicroelectronics unique STripFET process has specifically been designed to minimize input capacitance and gate charge. It is therefore suitable as primary switch in advanced highefficiency isolated DC-DC converters.
Applications
Switching application
Table 1.
Device summary
Order codes STB40NF20 STP40NF20 STF40NF20 STW40NF20 Marking 40NF20 40NF20 40NF20 40NF20 Package D2PAK TO-220 TO-220FP TO-247 Packaging Tape & reel Tube Tube Tube
July 2007
Rev 2
1/17
www.st.com 17
Contents
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) ............................ 6
3 4 5 6
Test circuit
................................................ 9
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Packaging mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Electrical ratings
1
Electrical ratings
Table 1. Absolute maximum ratings
Value Symbol Parameter TO-220 D2PAK TO-247 VDS VGS ID(1) ID
(1) (2)
Unit TO-220FP
Drain-source voltage (VGS = 0) Gate- source voltage Drain current (continuous) at TC = 25C Drain current (continuous) at TC = 100C Drain current (pulsed) Total dissipation at TC = 25C Derating Factor 160 1.28 12 --
200 20 40 25 160 40 0.32
V V A A A W W/C V/ns 2500 V
IDM
Ptot
(3)
dv/dt
Peak diode recovery voltage slope Insulation withstand voltage (RMS) from all three leads to external heat sink (t = 1s; Tc = 25C) Storage temperature
VISO Tstg Tj
-55 to 150 Max. operating junction temperature
C
1. Value limited by wire bonding 2. Pulse width limited by safe operating area. 3. ISD 40A, di/dt 200A/s, VDD V(BR)DSS, Tj TJMAX
Table 2.
Symbol
Thermal data
Parameter TO-220 D2PAK TO-247 TO-220FP 3.1 50 300 62.5 Unit C/W C/W C
Rthj-case Thermal resistance junction-case max Rthj-amb Thermal resistance junction-ambient max TJ Maximum lead temperature for soldering purpose(1) 62.5
0.78
1. for 10 sec. 1.6mm from case
Table 3.
Symbol IAR EAS
Avalanche characteristics
Parameter Avalanche current, repetitive or not-repetitive (pulse width limited by Tj max) Single pulse avalanche energy (starting Tj = 25 C, ID = IAR, VDD = 50 V) Max value 40 230 Unit A mJ
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Electrical characteristics
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
2
Electrical characteristics
(TCASE=25C unless otherwise specified) Table 4.
Symbol V(BR)DSS IDSS IGSS VGS(th) RDS(on)
On/off states
Parameter Drain-source breakdown voltage Zero gate voltage drain current (VGS = 0) Gate-body leakage current (VDS = 0) Gate threshold voltage Static drain-source on resistance Test conditions ID = 1mA, VGS =0 VDS = max ratings VDS = max ratings@125C VGS = 20V VDS = VGS, ID = 250A VGS = 10V, ID = 20A 2 3 Min. 200 1 10 100 4 Typ. Max. Unit V A A nA V
0.038 0.045
Table 5.
Symbol gfs (1) Ciss Coss Crss td(on) tr td(off) tf Qg Qgs Qgd
Dynamic
Parameter Forward transconductance Input capacitance Output capacitance Reverse transfer capacitance Turn-on delay time Rise time Turn-off delay time Fall time Total gate charge Gate-source charge Gate-drain charge Test conditions VDS = 15V, ID = 20A Min. Typ. 30 2500 510 78 20 44 74 22 75 13.2 35.5 Max. Unit S pF pF pF ns ns ns ns nC nC nC
VDS = 25V, f = 1MHz, VGS = 0
VDD = 100V, ID = 20A RG = 4.7 VGS = 10V (see Figure 17) VDD = 160V, ID = 40A, VGS = 10V (see Figure 18)
1. Pulsed: Pulse duration = 300 s, duty cycle 1.5%.
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Electrical characteristics
Table 6.
Symbol ISD ISDM (1) VSD (2) trr Qrr IRRM trr Qrr IRRM
Source drain diode
Parameter Source-drain current Source-drain current (pulsed) Forward on voltage ISD = 20A, VGS = 0 192 922 9.6 242 1440 11.9 Test conditions Min. Typ. Max. 40 160 1.5 Unit A A V ns nC A ns nC A
ISD = 20A, Reverse recovery time di/dt = 100A/s, Reverse recovery charge VDD = 25V Reverse recovery current (see Figure 19) ISD = 20A, Reverse recovery time di/dt = 100A/s, Reverse recovery charge VDD = 25V, Tj = 150C Reverse recovery current (see Figure 19)
1. Pulse width limited by safe operating area. 2. Pulsed: Pulse duration = 300 s, duty cycle 1.5%
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Electrical characteristics
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
2.1
Figure 2.
Electrical characteristics (curves)
Safe operating area for TO-220/ D2PAK Figure 3. Thermal impedance area for TO-220/ D2PAK
Figure 4.
Safe operating area for TO-247
Figure 5.
Thermal impedance for TO-247
Figure 6.
Safe operating area for TO-220FP
Figure 7.
Thermal impedance for TO-220FP
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20 Figure 8. Output characteristics Figure 9.
Electrical characteristics Transfer characteristics
Figure 10. Transconductance
Figure 11. Static drain-source on resistance
Figure 12. Gate charge vs gate-source voltage Figure 13. Capacitance variations
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Electrical characteristics
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20 Figure 15. Normalized on resistance vs temperature
Figure 14. Normalized gate threshold voltage vs temperature
Figure 16. Source-drain diode forward characteristics
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Test circuit
3
Test circuit
Figure 18. Gate charge test circuit
Figure 17. Switching times test circuit for resistive load
Figure 19. Test circuit for inductive load Figure 20. Unclamped Inductive load test switching and diode recovery times circuit
Figure 21. Unclamped inductive waveform
Figure 22. Switching time waveform
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Package mechanical data
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
4
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Package mechanical data
D2PAK MECHANICAL DATA TO-247 MECHANICAL DATA
mm. DIM. MIN. A A1 A2 B B2 C C2 D D1 E E1 G L L2 L3 M R V2 0 4.88 15 1.27 1.4 2.4 0.4 4 10 8.5 5.28 15.85 1.4 1.75 3.2 0.192 0.590 0.050 0.055 0.094 0.015 4.4 2.49 0.03 0.7 1.14 0.45 1.23 8.95 8 10.4 0.393 0.334 0.208 0.625 0.055 0.068 0.126 TYP MAX. 4.6 2.69 0.23 0.93 1.7 0.6 1.36 9.35 MIN. 0.173 0.098 0.001 0.027 0.044 0.017 0.048 0.352 0.315 TYP. MAX. 0.181 0.106 0.009 0.036 0.067 0.023 0.053 0.368 inch
3
1
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Package mechanical data
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
TO-247 MECHANICAL DATA
mm. MIN. 4.85 2.20 1.0 2.0 3.0 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 5.50 3.65 5.50 0.140 0.177 0.216 14.80 4.30 0.560 0.14 0.728 0.143 0.216 TYP MAX. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75 MIN. 0.19 0.086 0.039 0.079 0.118 0.015 0.781 0.608 0.214 0.582 0.17 inch TYP. MAX. 0.20 0.102 0.055 0.094 0.134 0.03 0.793 0.620
DIM. A A1 b b1 b2 c D E e L L1 L2 oP oR S
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Package mechanical data
TO-220 mechanical data
mm Dim Min A b b1 c D D1 E e e1 F H1 J1 L L1 L20 L30 P Q 4.40 0.61 1.14 0.49 15.25 1.27 10 2.40 4.95 1.23 6.20 2.40 13 3.50 16.40 28.90 3.75 2.65 3.85 2.95 0.147 0.104 10.40 2.70 5.15 1.32 6.60 2.72 14 3.93 0.393 0.094 0.194 0.048 0.244 0.094 0.511 0.137 Typ Max 4.60 0.88 1.70 0.70 15.75 Min 0.173 0.024 0.044 0.019 0.6
inch Typ Max 0.181 0.034 0.066 0.027 0.62 0.050 0.409 0.106 0.202 0.051 0.256 0.107 0.551 0.154 0.645 1.137 0.151 0.116
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Package mechanical data
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
TO-220FP MECHANICAL DATA
mm. MIN. 4.4 2.5 2.5 0.45 0.75 1.15 1.15 4.95 2.4 10 16 28.6 9.8 2.9 15.9 9 3 30.6 10.6 3.6 16.4 9.3 3.2 1.126 .0385 0.114 0.626 0.354 0.118 TYP MAX. 4.6 2.7 2.75 0.7 1 1.7 1.7 5.2 2.7 10.4 MIN. 0.173 0.098 0.098 0.017 0.030 0.045 0.045 0.195 0.094 0.393 0.630 1.204 0.417 0.141 0.645 0.366 0.126 inch TYP. MAX. 0.181 0.106 0.108 0.027 0.039 0.067 0.067 0.204 0.106 0.409
DIM. A B D E F F1 F2 G G1 H L2 L3 L4 L5 L6 L7 O
A
B
L3 L6 L7
F1 F
D
G1 H
F2
L2 L5
E
123
L4
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G
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
Packaging mechanical data
5
Packaging mechanical data
D2PAK FOOTPRINT
TAPE AND REEL SHIPMENT
REEL MECHANICAL DATA
DIM. A B C D G N T 1.5 12.8 20.2 24.4 100 30.4 26.4 13.2 mm MIN. MAX. 330 0.059 0.504 0.520 0795 0.960 1.039 3.937 1.197 BULK QTY 1000 inch MIN. MAX. 12.992
TAPE MECHANICAL DATA
DIM. A0 B0 D D1 E F K0 P0 P1 P2 R T W mm MIN. 10.5 15.7 1.5 1.59 1.65 11.4 4.8 3.9 11.9 1.9 50 0.25 23.7 24.3 MAX. 10.7 15.9 1.6 1.61 1.85 11.6 5.0 4.1 12.1 2.1 inch MIN. MAX. 0.413 0.421 0.618 0.626 0.059 0.063 0.062 0.063 0.065 0.073 0.449 0.456 0.189 0.197 0.153 0.161 0.468 0.476 0.075 0.082 1.574 0.35 0.0098 0.0137 0.933 0.956
BASE QTY 1000
* on sales type
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Revision history
STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
6
Revision history
Table 7.
Date 25-Jan-2007 06-Jul-2007
Revision history
Revision 1 2 First version Correctet Ptot value on Features Changes
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STB40NF20 - STF40NF20 - STP40NF20 - STW40NF20
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