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ISL97635A Datasheet(PDF) 3 Page - Renesas Technology Corp

Part # ISL97635A
Description  SMBus 6-Channel LED Driver
PDF  29 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ISL97635A Datasheet(HTML) 3 Page - Renesas Technology Corp

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ISL97635A
FN6564 Rev.3.00
Page 3 of 29
Sep 26, 2017
Block Diagram
Pin Configuration
ISL97635A
(24 LD QFN)
TOP VIEW
FIGURE 2. ISL97635A BLOCK DIAGRAM
34.5V, 30mA PER STRING
(6 x 9 = 54 WHITE LEDS)
GENERATOR
VIN
COMP
+
-
+
-
IIN0
IIN5
VBL+ = 6V TO 24V
FET
DRIVER
REG
LX
ISL97635A
RAMP
COMP
IMAX ILIMIT
INTERFACE
PWM/OC/SC
PWM BRIGHTNESS CONTROL
DEVICE CONTROL
FAULT/STATUS
IDENTIFICATION
REGISTERS
HIGHEST VF
STRING
DETECT
DC BRIGHTNESS CONTROL
VDC
SENSOR
fPWM
LED PWM
CONTROL
PGND
CONFIGURATION
FAULT
+
-
GND
REFERENCE
SMBCLK
SMBDAT
VIN
GM
AMP
+
-
+
-
PWMO
LOGIC
OVP
LX
OSC AND
= 0
AM
OC, SC
DETECT
FAULT/STATUS
REGISTER
FAULT/STATUS
REGISTER
TEMP
FAULT/STATUS
REGISTER
PWMI
RSET
+
-
OC, SC
DETECT
SMBUS
INTERFACE
SMBCLK
SMBDAT
FPWM
PWMO
GND
PWMI/EN
PGND
PGND
OVP
IIN0
IIN1
IIN2
1
2
3
4
5
6
18
17
16
15
14
13
24
23
22
21
20
19
78
9
10
11
12



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