July 16, 2014 | DATASHEET V3.3

5

IR3553

40A Integrated PowIRstage®

ABSOLUTE MAXIMUM RATINGS

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.

PIN Number

PIN NAME

1

CSIN-

VCC + 0.3V

-0.3V

1mA

1mA

2

CSIN+

VCC + 0.3V

-0.3V

1mA

1mA

3

VCC

8V

-0.3V

NA

5A for 100ns,

200mA DC

4

PGND

0.3V

-0.3V

15mA

15mA

5, 25

GATEL

VCC + 0.3V

-3V for 20ns,

-0.3V DC

1A for 100ns,

200mA DC

1A for 100ns,

200mA DC

6-11

SW

2

25V

-5V for 20ns,

-0.3V DC

45A RMS,

60A Peak

20A RMS,

25A Peak

12, 13

PGND

NA

NA

20A RMS,

25A Peak

45A RMS,

60A Peak

14-16

VIN

2

25V

-0.3V

5A RMS

15A RMS,

20A Peak

17

BOOST

1

33V

-0.3V

1A for 100ns,

100mA DC

5A for 100ns,

100mA DC

18

PHSFLT#

VCC + 0.3V

-0.3V

1mA

20mA

19

PWM

VCC + 0.3V

-0.3V

1mA

1mA

20

BBRK#

VCC + 0.3V

-0.3V

1mA

1mA

21

LGND

0.3V

-0.3V

15mA

15mA

22

REFIN

3.5V

-0.3V

1mA

1mA

23

IOUT

VCC + 0.3V

-0.3V

5mA

5mA

24

TGND

0.3V

-0.3V

NA

NA

Note:

1.

Maximum BOOST – SW = 8V.

2.

Maximum VIN – SW = 25V.

3.

All the maximum voltage ratings are referenced to PGND (Pins 12 and 13).

THERMAL INFORMATION

23.2 °C/W

2.5 °C/W

1

22.2 °C/W

Maximum Operating Junction Temperature

-40 to 150°C

Maximum Storage Temperature Range

-65°C to 150°C

ESD rating

HBM Class 1B JEDEC Standard

MSL Rating

3

Reflow Temperature

260°C

Note:

1.

Refer to International Rectifier Application Note AN-994 for details.