English
Language : 

IRF7749L1PBF Datasheet, PDF (1/10 Pages) International Rectifier – RoHS Compliant, Halogen Free
IRF7749L1TRPbF
Applications
l RoHS Compliant, Halogen Free ‚
l Lead-Free (Qualified up to 260°C Reflow) 
l Ideal for High Performance Isolated Converter
Primary Switch Socket
l Optimized for Synchronous Rectification
l Low Conduction Losses
l High Cdv/dt Immunity
l Low Profile (<0.7mm)
l Dual Sided Cooling Compatible 
l Compatible with existing Surface Mount Techniques 
l Industrial Qualified
DirectFET™ Power MOSFET ‚
Typical values (unless otherwise specified)
VDSS
60V min
Qg tot
VGS
±20V max
Qgd
RDS(on)
1.1mΩ@ 10V
Vgs(th)
200nC 71nC
2.9V
S
S
D
G
S
S
S
S
S
D
S
Applicable DirectFET Outline and Substrate Outline 
L8
DirectFET™ ISOMETRIC
SB
SC
M2
M4
L4
L6
L8
Description
The IRF7749L1TRPbF combines the latest HEXFET® Power MOSFET Silicon technology with the advanced DirectFETTM packaging to achieve the
lowest on-state resistance in a package that has a footprint smaller than a D2PAK and only 0.7 mm profile. The DirectFET package is compatible
with existing layout geometries used in power applications, PCB assembly equipment and vapor phase, infra-red or convection soldering techniques,
when application note AN-1035 is followed regarding the manufacturing methods and processes. The DirectFET package allows dual sided cooling
to maximize thermal transfer in power systems.
The IRF7749L1TRPbF is optimized for high frequency switching and synchronous rectification applications. The reduced total losses in the device
coupled with the high level of thermal performance enables high efficiency and low temperatures, which are key for system reliability improvements,
and makes this device ideal for high performance power converters.
Ordering Information
Base part number
IRF7749L1TRPbF
Package Type
DirectFET Large Can
Standard Pack
Form
Tape and Reel
Quantity
4000
Orderable Part Number
IRF7749L1TRPbF
Absolute Maximum Ratings
Parameter
VDS
Drain-to-Source Voltage
VGS
ID @ TC = 25°C
ID @ TC = 100°C
ID @ TA = 25°C
ID @ TC = 25°C
IDM
EAS
IAR
Gate-to-Source Voltage
f Continuous Drain Current, VGS @ 10V (Silicon Limited)
f Continuous Drain Current, VGS @ 10V (Silicon Limited)
e Continuous Drain Current, VGS @ 10V (Silicon Limited)
f Continuous Drain Current, VGS @ 10V (Package Limited)
g Pulsed Drain Current
h Single Pulse Avalanche Energy
Ãg Avalanche Current
Max.
60
±20
200
140
33
375
800
260
120
Units
V
A
mJ
A
12.0
10.0
8.0
6.0
4.0
2.0
ID = 120A
TJ = 25°C
TJ = 125°C
1.60
TC= 25°C
1.40
1.20
1.00
VGS = 6.0V
VGS = 8.0V
VGS = 10V
VGS = 14V
0.0
4.0 6.0 8.0 10.0 12.0 14.0 16.0
VGS, Gate-to-Source Voltage (V)
Fig 1. Typical On-Resistance vs. Gate Voltage
Notes:
 Click on this section to link to the appropriate technical paper.
‚ Click on this section to link to the DirectFET Website.
ƒ Surface mounted on 1 in. square Cu board, steady state.
1
www.irf.com © 2012 International Rectifier
0.80
40
80
120
160
200
ID, Drain Current (A)
Fig 2. Typical On-Resistance vs. Drain Current
„ TC measured with thermocouple mounted to top (Drain) of part.
… Repetitive rating; pulse width limited by max. junction temperature.
† Starting TJ = 25°C, L = 0.035mH, RG = 25Ω, IAS = 120A.
February 18, 2013