LX1744

Microsemi

Integrated Products Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 2

Dual Output Boost – LED Driver / LCD Bias

I N T E GR A T ED

PRODUCT S

Copyright

© 2000

Rev. 1.1b, 2005-03-01

ABSOLUTE MAXI MUM RATI NGS

Supply Input Voltage ...........................................................................-0.3V to 7V

Operating Temperature Range .........................................................-40

°C to 85°C

Maximum Operating Junction Temperature ................................................ 150

°C

Storage Temperature Range...........................................................-65

°C to 150°C

RoHS Peak Package Solder Reflow Temperature

(40 second maximum exposure) ..................................................... 260°C (+0, -5)

Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to

Ground. Currents are positive into, negative out of specified terminal

.

TH ERM A L DATA

THERMAL RESISTANCE

θ

JA

31

°C/W

THERMAL RESISTANCE

θ

JA

90

°C/W

The

above assume no ambient airflow.

PACKAGE PI N OUT

LSHDN

REF

IN

FB

CS

ADJ

SW

DRV

SRC

OVP

BRT

GND

LFB

1

2

6

5

9

11

14

13

3

4

78

12

10

SHDN

(Top View)

1

2

3

4

56

7

8

9

10

11

12

13

14

15

16

SW

SHDN1

FB

ADJ

LFB

OVP

CS

DRV

(Bottom View)

(“N.C.” = No Internal Connection)

RoHS / Pb-free 100% Matte Tin Lead Finish