TS19376 Ver la hoja de datos (PDF) - TSC Corporation

Número de pieza

componentes Descripción

Fabricante

TS19376

1A Step-down High Brightness LED Driver

TSC Corporation 

TS19376

1A Step-down High Brightness LED Driver

Block Diagram

VIN

V25

CS

- COMPARATOR

CSN

+

130mV

2.5V

-

70µ

+

UVLO

COMPARATOR

DIM

DIM

BUFFER

SW

GATE

DRIVER

Driver

GND

Pin Function Description:

Pin

Name

Description

1

SW Switch Output. SW is the output of the internal driver switch.

2

GND Signal and power ground. Connect directly to ground plane.

3

DIM

Logic level dimming input. Drive DIM low to turn off the current regulator.

Drive DIM high to enable the current regulator.

4

CSN Current sense input

5

VIN Input Supply Pin. Must be locally bypassed.

Typical Application Circuit

ILED =

VCSN

0.130

=

= 0.325A

RS 0.4

3/8

Version: A12

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