Rev 9.0

2

PD-97506

IR3856WMPbF

ABSOLUTE MAXIMUM RATINGS

(Voltages referenced to GND unless otherwise specified)

•

Vin ……………………………………….……………. -0.3V to 25V

•

PVcc, Vcc ……………….……..….……..……….…… -0.3V to 8V (Note2)

•

Boot

……………………………………..……….…. -0.3V to 33V

•

SW

…………………………………………..……… -0.3V to 25V(DC), -4V to 25V(AC, 100ns)

•

Boot to SW

……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1)

•

OCSet

………………………………………….……. -0.3V to 30V (Max 30mA)

•

Input / output Pins ……………………………….. ... -0.3V to Vcc+0.3V (Note1)

•

PGND to GND ……………...………………………….. -0.3V to +0.3V

•

Storage Temperature Range ................................... -55°C To 150°C

•

Junction Temperature Range ................................... -40°C To 150°C (Note2)

•

ESD Classification …………………………… ……… JEDEC Class 1C

•

Moisture sensitivity level………………...………………JEDEC Level 3@260 °C (Note5)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to

the device. These are stress ratings only and functional operation of the device at these or any other

conditions beyond those indicated in the operational sections of the specifications are not implied.

Note1:

Must not exceed 8V

Note2:

PACKAGE INFORMATION

4mm x 5mm POWER QFN

4000

17

IR3856WMTRPbF

M

750

PARTS PER

REEL

17

PIN COUNT

IR3856WMTR1PbF

PACKAGE

DESCRIPTION

M

PACKAGE

DESIGNATOR

ORDERING INFORMATION

13

12

SW

11

PGnd

17

Gnd

1

23

4

5

6

7

8

9

16

15

Fb

NC COMP Gnd Rt SS/SD OCSet

PGood

V

CC

Enable

Boot

Seq

PVcc

10

14

W

/

C

W

/

C

W

/

C

o

PCB

J

*

o

JA

*

o

JA

)

FET

_

Ctrl

(

)

FET

_

Sync

(

2

45

45

=

=

=

-

θ

θ

θ

*

Exposed pads on underside

are connected to copper

pads of 4-layer (2 oz.) PCB

board design