LT1244C Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT1244C

High Speed Current Mode Pulse Width Modulators

Linear Technology 

LT1241 Series

TYPICAL APPLICATION

Slope Compensation at Error Amp

TO

VOUT

RSLOPE

VREF

8

RT RT/CT

4

CT COMP

1

Rf

2

–

FB

+

2.5V

5V REF

MAIN BIAS

OSCILLATOR

5.6V

1V

1mA

2R

–

R

+

REFERENCE ENABLE

UV

LOCKOUT

REFERENCE PULL-DOWN

OUTPUT

PULL-DOWN

T

S

R

18V

BLANKING

+

1.5V

–

VCC

7

OUTPUT

6

GND

5

ISENSE

3

LT1241 • TA05

RELATED PARTS

PART NUMBER

LT1246

LT1248/LT1249

LT1372

LT1376

LT1509

DESCRIPTION

1MHz Current Mode PWM

Power Factor Controllers

High Efficiency Switching Regulator

1.5A 500kHz Step-Down Switching Regulator

Power Factor and PWM Controller

COMMENTS

16V Start-Up Threshold, 10V Minimum Operating Voltage

Minimal Parts Count

500kHz 1.5A Boost Regulator

Steps Down from Up to 25V Using 4.7µH Inductors

Complete Solution for Universal Off-Line Switching Power Supplies

16 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900

FAX: (408) 434-0507qTELEX: 499-3977q www.linear-tech.com

1241fa LT/TP 0297 5K REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1992

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