FDH34N40 Fairchild Semiconductor, FDH34N40 Datasheet

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FDH34N40

Manufacturer Part Number
FDH34N40
Description
34a, 400v, 0.115 Ohm, N-channel Smps Power Mosfet
Manufacturer
Fairchild Semiconductor
Datasheet

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Part Number
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Part Number:
FDH34N40
Manufacturer:
FAIRCHILD
Quantity:
12 500
©2002 Fairchild Semiconductor Corporation
(FLANGE)
DRAIN
FDH34N40
34A, 400V, 0.115 Ohm, N-Channel SMPS Power MOSFET
Applications
Switch Mode Power Supplies(SMPS), such as
• PFC Boost
• Two-Switch Forward Converter
• Single Switch Forward Converter
• Flyback Converter
• Buck Converter
• High Speed Switching
Absolute Maximum Ratings
Thermal Characteristics
V
V
I
P
T
D
DSS
GS
D
J
Package
, T
Symbol
R
R
R
STG
CS
JC
JA
Thermal Resistance Junction to Case
Thermal Resistance Case to Sink, Flat, Greased Surface
Thermal Resistance Junction to Ambient
Drain to Source Voltage
Gate to Source Voltage
Drain Current
Continuous (T
Continuous (T
Pulsed (Note 1)
Power dissipation
Derate above 25
Operating and Storage Temperature
Soldering Temperature for 10 seconds
Mounting Torque, 8-32 or M3 Screw
JEDEC TO-247
C
C
= 25
= 100
o
C
Parameter
o
C, V
o
SOURCE
C, V
GS
GS
DRAIN
= 10V)
T
= 10V)
C
= 25°C unless ot herwise noted
GATE
Features
• Low Gate Charge Q
• Improved Gate, Avalanche and High Reapplied dv/dt
• Reduced r
• Reduced Miller Capacitance and Low Input Capacitance
• Improved Switching Speed with Low EMI
• 175°C Rat ed Junction Temperature
Requirement
Ruggedness
300 (1.6mm from case)
DS(ON)
10ibf*in (1.1N*m)
-55 to 175
Ratings
400
±30
136
469
3.1
34
24
g
results in Simple Drive
0.24 TYP
G
0.32
Symbol
40
D
S
August 2002
Units
W/
o
o
W
V
V
A
A
A
FDH34N40 Rev. A,
C
C
o
o
o
o
C
C/W
C/W
C/W

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FDH34N40 Summary of contents

Page 1

... GATE T = 25°C unless ot herwise noted C Parameter 10V 10V) GS August 2002 results in Simple Drive g DS(ON) Symbol Ratings Units 400 V ± 136 A 469 W 3 -55 to 175 o 300 (1.6mm from case) 10ibf*in (1.1N*m) 0.32 0.24 TYP 40 FDH34N40 Rev C/W o C/W o C/W ...

Page 2

... SD SD Tape Width Quantity - 30 Min Typ Max Units 400 - - 0.106 0.115 2.0 3.4 4 µ 250 - - ±100 3370 - pF - 460 - 2312 - - 136 0.9 1 445 534 ns - 7.16 8.6 µC FDH34N40 Rev. A ...

Page 3

... Figure 6. Gate Charge Waveforms For Constant PULSE DURATION = 80 s DUTY CYCLE = 0.5% MAX , DRAIN TO SOURCE VOLTAGE (V) VGS = 10V 17A 100 125 150 o , JUNCTION TEMPERATURE ( C) J 200V 320V 80V GATE CHARGE (nC) g Gate Current FDH34N40 Rev. A 100 175 90 ...

Page 4

... T , CASE TEMPERATURE (° RECTANGULAR PULSE DURATION (s) 1 OPERATION IN THIS AREA LIMITED BY RDS(ON 100 V , DRAIN TO SOURCE VOLTAGE (V) DS 150 175 DUTY FACTOR PEAK FDH34N40 Rev. A 100 s 1ms 10ms DC 1000 0 ...

Page 5

... Figure 14. Gate Charge Waveforms d(ON 90 DUT V GS 50% 10% 0 Figure 16. Switching Time Waveform BV DSS g(TOT g(TH OFF t d(OFF 10% 10% 90% 50% PULSE WIDTH FDH34N40 Rev 10V 90% ...

Page 6

... TM 2 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS ...

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