LX1745 datasheet(2/16 Pages) MICROSEMI

2 / 16 page

LX1745

PRODUCTION DATASHEET

Microsemi

Integrated Products Division

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

Page 2

Triple Output Boost – LED Driver / LCD Bias

Rev. 1.2, 2006-02-27

ABSOLUTE MAXIMUM RATINGS

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

Feedback Input Voltage (VFBx) ...............................................-0.3V to VIN + 0.3V

Shutdown Input Voltage (VSHDN x) ..........................................-0.3V to VIN + 0.3V

PWM Input Amplitude (ADJx, BRT).....................................-0.3V to VIN + 0.3V

Analog Adjust Input Voltage (VADJx, VBRT)............................-0.3V to VIN + 0.3V

SRC Input Current ................................................................................ 500mARMS

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

°C to 85°C

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

°C

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

°C to 150°C

RoHS / Pb-free 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

x denotes respective pin designator 1, 2, or 3

TH ERMAL DATA

PW Plastic TSSOP 20-Pin

THERMAL RESISTANCE

-JUNCTION TO AMBIENT,

°C/W

Junction Temperature Calculation: TJ = TA + (PD x θJA).

The

θJA numbers are guidelines for the thermal performance of the device/pc-board system. All of the

above assume no ambient airflow.

PACKAGE PIN OUT

GND

DRV

GND

FB1

REF

BRT

SW1

ADJ1

SRC

OVP

SW2

SHDN1

LSHDN

SHDN2

LFB

ADJ2

FB2

GND

PW PACKAGE

(Top View)

RoHS / Pb-free 100% Matte Tin Lead Finish

LX1745 датащи(PDF) 2 Page - Microsemi Corporation

LX1745 датащи(HTML) 2 Page - Microsemi Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

датащи скачать

ссылки URL