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IRFH4253DPBF Datasheet, PDF (1/12 Pages) International Rectifier – Control and Synchronous MOSFETs for synchronous buck converters
VDSS
RDS(on) max
(@VGS = 4.5V)
Qg (typical)
ID
(@TC = 25°C)
Q1
25
4.60
10
45
Q2
25
1.45
31
45
V
m
nC
A
Applications
Control and Synchronous MOSFETs for synchronous buck
converters
IRFH4253DPbF
HEXFET® Power MOSFET
Features
Control and synchronous MOSFETs in one package
Low charge control MOSFET (10nC typical)
Low RDSON synchronous MOSFET (<1.45m)
Intrinsic Schottky Diode with Low Forward Voltage on Q2
RoHS Compliant, Halogen-Free
MSL2, Industrial Qualification
DUAL PQFN 5X6 mm
Benefits
Increased power density
Lower switching losses
results in Lower conduction losses
 Lower Switching Losses
Environmentally friendlier
Increased reliability
Base part number
IRFH4253DPbF
Package Type
Dual PQFN 5mm x 6mm
Standard Pack
Form
Tape and Reel
Quantity
4000
Orderable Part Number
IRFH4253DTRPbF
Absolute Maximum Ratings
VGS
ID @ TC = 25°C
ID @ TC = 70°C
ID @ TC = 25°C
IDM
PD @TC = 25°C
PD @TC = 70°C
Parameter
Gate-to-Source Voltage
Continuous Drain Current, VGS @ 4.5V
Continuous Drain Current, VGS @ 4.5V
Continuous Drain Current, VGS @ 4.5V
(Source Bonding Technology Limited)
Pulsed Drain Current
Power Dissipation
Power Dissipation
Linear Derating Factor
TJ
TSTG
Operating Junction and
Storage Temperature Range
Q1 Max. Q2 Max.
± 20
64 145
51 116
45
120
31
20
0.25
45
580
50
32
0.40
-55 to + 150
Units
V
A
W
W/°C
°C
Thermal Resistance
RJC (Bottom)
RJC (Top)
RJA
RJA (<10s)
Parameter
Junction-to-Case 
Junction-to-Case 
Junction-to-Ambient 
Junction-to-Ambient 
Notes  through  are on page 12
Q1 Max.
4.0
20
34
24
Q2 Max.
2.5
13
38
24
Units
°C/W
1 www.irf.com © 2013 International Rectifier
June 10, 2013