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| SGM3124 Datasheet, PDF (5/17 Pages) SG Micro Corp – White LED Charge Pump Current Source with PWM Brightness Control | |||
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SGM3124
White LED Charge Pump Current
Source with PWM Brightness Control
FUNCTIONAL BLOCK DIAGRAM
1µF
C1+
0.47µF
C1-
C2+
0.47µF
C2-
VIN
VOUT
Charge
Pump
1µF
Reference
EN1
EN2
PGND
GND
Current
Sinks
Control
D3
D2
D1
ISET
RSET
SG Micro Corp
www.sg-micro.com
5
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