11/05/10

2

IR3831MPbF

14

13

ABSOLUTE MAXIMUM RATINGS

(Voltages referenced to GND unless otherwise specified)

•

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

•

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, 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

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:

W

/

C

2

θ

W

/

C

35

θ

o

PCB

J

o

JA

=

=

-

PACKAGE INFORMATION

5mm x 6mm POWER QFN

4000

15

IR3831MTRPbF

M

750

PARTS PER

REEL

15

PIN COUNT

IR3831MTR1PbF

PACKAGE

DESCRIPTION

M

PACKAGE

DESIGNATOR

ORDERING INFORMATION

12

11

10

PGnd

15

Gnd

1

23

4

5

6

7

8

9

Vp

FB COMP Gnd Rt

SS OCSet

PGood

V

CC

Enable

Boot

SW