SC606 Datasheet, PDF (6/18 Pages) Semtech Corporation – Low Noise Smart LED Driver with Serial Interface

POWER MANAGEMENT
Block Diagram
SC606
C1+ C1- C2- C2+ _ILEDA1
8
7 9 10
1
ILEDA2
16
ILEDB1
15
ILEDB2
14
ILEDC1
13
ILEDC2
12
VOUT 5
VIN 6
mAhXLife^TM Fractional Charge Pump
[1x, 1.5x, 2x]
Current Brightness Control
Current Sense FETs
and Amplifier(s)
1.33MHz/250kHz
Oscillator
Mode Select
[1x, 1.5x, 2x
Startup, Shutdown]
EN 4 ^{Schmitt Buffer}
SDA 2 _{Schmitt Buffer}
Serial I/O Logic
SCL 3 _{Schmitt Buffer}
Current Set / DAC
Registers
11 GND
© 2005 Semtech Corp.
6
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