ISL97636A 데이터 시트보기 (PDF) - Intersil

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ISL97636A

6-Channel LED Driver

Intersil 

Block Diagram

VBL+ = 6V TO 24V

ISL97636A

34.5V, 30mA PER STRING

(6 x 9 = 54 WHITE LEDS)

VIN

VDC

REG

OSC AND

RAMP

COMP

FAULT

O/P SHORT

FAULT DETECT

Σ =0

IMAX ILIMIT

LOGIC

FET

DRIVER

LX

OVP

PGND

COMP

RSET

GND

PWMI/EN

GM

AMP

REFERENCE

GENERATOR

HIGHEST VF

STRING

DETECT

+

-

FAULT DETECT

+

-

ISL97636A

PWM

GENERATOR

PWM/OC/SC

OC, SC

DETECT

IIN0

IIN5

OC, SC

DETECT

FAULT DETECT

TEMP

SENSOR

+

-

FAULT/DETECT

FIGURE 1. ISL97636A BLOCK DIAGRAM

3

FN6566.0

May 9, 2008

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