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LM3537 Datasheet(PDF) 12 Page - Texas Instruments

Part # LM3537
Description  LM3537 8-Channel WLED Driver with Four Integrated LDOs
PDF  33 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LM3537 Datasheet(HTML) 12 Page - Texas Instruments

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CHARGE PUMP
1X/1.5X
C1+
C1-
C2+
C2-
1 PF
1 PF
1 PF
COUT
GROUP B
BRIGHTNESS
CTRL = 8 STEPS
GROUP A
BRIGHTNESS
CTRL = 128 STEPS
INT
PWM
GAIN
CONTROL
1.3 MHz
OSC
VREF
1.25V
SOFT-
START
SERIAL
DATA
SDA
SCL
HWEN
CONTROL
VIN_A
1 PF
CIN
REGISTERS
POR
THERMAL
SHUTDOWN
VOLTAGE REFERENCE
WITH NOISE
SUPPRESSION FILTER
ALS ENGINE
SENSOR
POWER
1 PF
2.4V or
3.0V
CSEN
SBIAS
AMBIENT
LIGHT
SENSOR
+
-
LDO 2
LDO 1
LDO 4
LDO 3
CLDO1
CLDO2
CLDO3
CLDO4
1 PF
1 PF
1 PF
1 PF
LDO1
LDO2
LDO3
LDO4
VIN_B
100 nF
CIN_B
VIN
2.7V to 5.5V
VIN_C
CIN_C
2.2 PF
RALS
GPO1
GPO2
ALS
GNDs
D1
D2
D3
D4
D5
D6
D7/
INT
D8
VOUT
PWM
LM3537
SNVS634B – JUNE 2011 – REVISED MAY 2013
www.ti.com
BLOCK DIAGRAM
12
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Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: LM3537



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