ISL976787IBZ-T Просмотр технического описания (PDF) - Renesas Electronics

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ISL976787IBZ-T

4-Channel LED Driver with Phase Shift Control and 10-Bit Dimming Resolution

Renesas Electronics 

ISL97687

VIN: 9V~32V

FUSE

160mA MAX PER STRING

VIN

EN

SLEW GD

CS

VDC

VLOGIC

OSC

REG1

ANALOG BIAS

REG2

DIGITAL

BIAS

OSC &

FSW

RAMP

COMP

OVP

FAULT/STATUS

REGISTER

=0

IMAX ILIMIT

O/P SHORT

OVP

FET

LOGIC DRIVERS

COMP

ISET1

ISET2

CSEL

PWMI

EN_PS

STV

EN_VSYNC

ACTL

GM

AMP

+

-

REF

GEN

REF_OVPREF_VSC

GND

FAULT/STATUS

CONTROL

HIGHEST VF STRING

DETECT

VSET

+

-

SERIAL

INTERFACE

ANALOG

INTERFACE

LED

DIMMING

CONTROLLER

PLL

OSC

OPEN CKT, SHORT CKT

DETECTS

1

2

3

TEMP

SENSOR

+

4

-

OVP

CH1

CH4

EN_ADIM

PWM_SET/PLL

FIGURE 3. ISL97687 BLOCK DIAGRAM

FN7714 Rev.3.00

Sep 13, 2017

Page 2 of 24

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