ISL97694AIRTZ-T Просмотр технического описания (PDF) - Renesas Electronics

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производитель

ISL97694AIRTZ-T

Single or Multiple Cell Li-ion Battery Powered 4-Channel and 6-Channel LED Drivers

Renesas Electronics 

ISL97692, ISL97693, ISL97694A

Block Diagrams (Continued)

VIN: 2.4V TO 5.5V

OPTIONAL FUSE

VIN

10µH

LX

EN

FSW

REG

OSC &

RAMP

COMP

INTERNAL BIAS

O/P SHORT

OVP

IMAX ILIMIT

PWM/

PFM

LOGIC

FET

DRIVERS

OVP

PGND

COMP

ISET

GM

AMP

8-BIT

DAC

DYNAMIC

HEADROOM

CONTROL

HIGHEST

VF

STRING

DETECT

+

+

-

REF

GEN

-

REF_OVP REF_VSC

OPEN CKT, SHORT CKT

DETECTION

1

2

3

4

5

CH1

CH2

CH3

CH4

CH5

CH6

PWMI

PWM

DIMMING

CONTROLLER

+

6

-

ISL97693

TEMP

SENSOR

FIGURE 7. ISL97693 BLOCK DIAGRAM

24V, 6x30mA

FN7839 Rev.6.00

Sep 8, 2017

Page 6 of 32

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