FQD45N03L Fairchild Semiconductor, FQD45N03L Datasheet

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FQD45N03L

Manufacturer Part Number
FQD45N03L
Description
N-Channel Logic Level PWM Optimized Power MOSFET
Manufacturer
Fairchild Semiconductor
Datasheet
©2004 Fairchild Semiconductor Corporation
FQD45N03L
N-Channel Logic Level PWM Optimized Power MOSFET
General Description
This device employs a new advanced MOSFET technology
and features low gate charge while maintaining low on-
resistance.
Optimized for switching applications, this device improves
the overall efficiency of DC/DC converters and allows
operation to higher switching frequencies.
Applications
• DC/DC converters
MOSFET Maximum Ratings
Thermal Characteristics
Package Marking and Ordering Information
V
V
I
P
T
R
R
R
D
GS
J
DSS
D
, T
JC
JA
JA
Symbol
Device Marking
STG
FQD45N03L
Thermal Resistance Junction to Case TO-252
Thermal Resistance Junction to Ambient TO-252
Thermal Resistance Junction to Ambient TO-252, 1in
Drain to Source Voltage
Gate to Source Voltage
Drain Current
Continuous (T
Continuous (T
Continuous (T
Pulsed
Power dissipation
Derate above 25
Operating and Storage Temperature
GATE
SOURCE
C
C
C
FQD45N03L
TO-252
= 25
= 100
= 25
o
C
Device
DRAIN (FLANGE)
Parameter
o
o
C, V
C, V
o
C, V
GS
GS
GS
= 10V)
= 10V, R
T
= 4.5V)
C
=25°C unless otherwise noted
TO-252AA
Package
JA
=52
o
C)
Features
• Fast switching
• r
• r
• Q
• Q
• C
DS(ON)
DS(ON)
2
ISS
g
gd
copper pad area
(Typ) = 9nC, V
(Typ) =3nC
(Typ) =970pF
Reel Size
330mm
= 0.018 (Typ), V
= 0.028 (Typ), V
-55 to 150
Ratings
Figure 4
GS
0.33
30
20
20
41
20
8
= 5V
Tape Width
GS
GS
G
16mm
= 10V
= 5V
100
52
3
S
D
March 2004
2500 units
Quantity
Units
W/
FQD45N03L Rev. B1
o
W
V
V
A
A
A
A
C
o
o
o
o
C
C/W
C/W
C/W

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FQD45N03L Summary of contents

Page 1

... Package Reel Size TO-252AA 330mm March 2004 = 10V Ratings Units Figure 0. -55 to 150 C/W o 100 C C/W Tape Width Quantity 16mm 2500 units FQD45N03L Rev. B1 ...

Page 2

... 100 0.018 0.023 - 0.028 0.033 - 970 - - 205 - - 15V DD = 18A - 1.0 1 1.0mA - 3 3 108 180 - - - - 1. 1 FQD45N03L Rev. B1 Units ...

Page 3

... C) C Case Temperature NOTES: DUTY FACTOR PEAK FOR TEMPERATURES o ABOVE 25 C DERATE PEAK CURRENT AS FOLLOWS: 150 - 125 - FQD45N03L Rev. B1 150 ...

Page 4

... PULSE DURATION = DUTY CYCLE = 0.5% MAX 0.5 1.0 1 DRAIN TO SOURCE VOLTAGE ( 10V - 120 JUNCTION TEMPERATURE ( 250 120 JUNCTION TEMPERATURE ( C) J FQD45N03L Rev 2.0 =20A D 160 160 ...

Page 5

... Figure 16. Unclamped Energy Waveforms = 15V DD WAVEFORMS IN DESCENDING ORDER 20A 10A GATE CHARGE (nC) g Gate Current = 10V 15V GATE TO SOURCE RESISTANCE ( ) GS BV DSS FQD45N03L Rev d(OFF d(ON ...

Page 6

... DUT g(REF) 0 Figure 18. Gate Charge Waveforms d(ON 90 DUT V GS 50% 10% 0 Figure 20. Switching Time Waveform Q g(TOT g( g(TH OFF t d(OFF 10% 10% 90% 50% PULSE WIDTH FQD45N03L Rev 10V 90% ...

Page 7

... Fairchild Semiconductor Corporation , and the 125 application’s ambient 100 never exceeded (EQ 0. Figure 21. Thermal Resistance vs Mounting dissipation. Pulse values listed in the (EQ 33.32 + 23.84/(0.268+Area AREA, TOP COPPER AREA (in ) Pad Area FQD45N03L Rev ...

Page 8

... PSPICE Electrical Model .SUBCKT FQD45N03L rev October 2002 8e- 9e-10 CIN 6 8 8.9e-10 DBODY 7 5 DBODYMOD DBREAK 5 11 DBREAKMOD DPLCAP 10 5 DPLCAPMOD EBREAK 31.4 EDS EGS ESG EVTHRES EVTEMP ...

Page 9

... CIN S1A S2A S1B S2B EGS EDS LDRAIN 5 RLDRAIN RSLC1 51 ISCL DBREAK 50 RDRAIN 11 DBODY MWEAK EBREAK MMED + MSTRO 17 18 LSOURCE - 8 7 RSOURCE RLSOURCE RBREAK 17 18 RVTEMP VBAT RVTHRES FQD45N03L Rev. B1 DRAIN 2 SOURCE 3 ...

Page 10

... CTHERM4 4 3 1.7e-3 CTHERM5 3 2 5.8e-3 CTHERM6 2 tl 2e-2 RTHERM1 th 6 3.5e-3 RTHERM2 6 5 4.5e-3 RTHERM3 5 4 6.2e-2 RTHERM4 4 3 6.8e-1 RTHERM5 3 2 8.1e-1 RTHERM6 2 tl 8.3e-1 SABER Thermal Model SABER thermal model FQD45N03L_Thermal template thermal_model th tl thermal_c th ctherm.ctherm1 1.3e-3 ctherm.ctherm2 1.5e-3 ctherm.ctherm3 1.6e-3 ctherm.ctherm4 1.7e-3 ctherm.ctherm5 5.8e-3 ctherm.ctherm6 2e-2 rtherm ...

Page 11

... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ FACT Quiet Series™ ActiveArray™ FAST Bottomless™ FASTr™ CoolFET™ FPS™ CROSSVOLT™ ...

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