LT3597IUHG Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT3597IUHG

60V Triple Step-Down LED Driver

Linear Technology 

BLOCK DIAGRAM

LT3597

EN/UVLO

VREF

VIN

BIAS

START-UP

REFERENCE

SYNC

RT

OSC

SLOPE

COMP

S

Q

R

540mV

PTAT

–

TSET

+

CTRLM

CTRLn

ISETn

PWMn

CHANNEL n

n = 1-3

CONVERSION

AND

CONTROL

PWM

DIMMING

LOGIC

SOFT-START

AND CLAMP

VC

1.22V

1.1V

LED

FAULT DETECTION

LED

DRIVE

CIRCUITRY

GND, EXPOSED PAD

Figure 1. Block Diagram

LT3597

BIAS

BSTn

SWn

DAn

GND

LOGIC

FBn

VOUTn

FAULT

LEDn

3597 BD

3597f

9

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