LR7843 datasheet(1/11 Pages) IRF

Part #	LR7843

Description	Simple Drive Requirements

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	IRF [International Rectifier]

Direct Link	http://www.irf.com

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1 / 11 page

www.irf.com

1

04/30/08

IRLR7843PbF

IRLU7843PbF

HEXFET® Power MOSFET

Notes

through are on page 11

Applications

Benefits

l Very Low RDS(on) at 4.5V VGS

l Ultra-Low Gate Impedance

l Fully Characterized Avalanche Voltage

and Current

l High Frequency Synchronous Buck

Converters for Computer Processor Power

l High Frequency Isolated DC-DC

Converters with Synchronous Rectification

for Telecom and Industrial Use

l Lead-Free

Absolute Maximum Ratings

Parameter

Units

VDS

Drain-to-Source Voltage

V

VGS

Gate-to-Source Voltage

ID @ TC = 25°C

Continuous Drain Current, VGS @ 10V

ID @ TC = 100°C Continuous Drain Current, VGS @ 10V

A

IDM

Pulsed Drain Current

PD @TC = 25°C

Maximum Power Dissipation

g

W

PD @TC = 100°C Maximum Power Dissipation g

Linear Derating Factor

W/°C

TJ

Operating Junction and

°C

TSTG

Storage Temperature Range

Soldering Temperature, for 10 seconds

Thermal Resistance

Parameter

Typ.

Max.

Units

RθJC

Junction-to-Case

–––

1.05

RθJA

Junction-to-Ambient (PCB Mount)

gÃ

–––

50

°C/W

RθJA

Junction-to-Ambient

–––

110

140

Max.

161

f

113

f

620

± 20

30

0.95

71

300 (1.6mm from case)

-55 to + 175

VDSS RDS(on) max

Qg

30V

3.3m

:

34nC

D-Pak

IRLR7843PbF

I-Pak

IRLU7843PbF

PD - 95440B

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