Transcript
World’s Smallest Solution for :
LCD Backlight LED Camera Flash CMOS Camera Power
1x/1.5x/2x Charge Pump 4 LED Backlight Sinks 85% Average Backlight Efficiency (over the Li-ion Battery Discharge Curve)
700mA LED Camera Flash with 1sec safety timer 2 Low-Noise LDO Regulators SC627 = SemWireTM - a True Single Wire Interface SC627A = I2C Serial Interface Output Over-Voltage/Short-Circuit Protection Pb-Free, fully WEEE & RoHS compliant 3x3 MLPQ (0.6mm max. height)
2.2uF
INPUT 3.0 to 5.5V
3x magnification
1uF
2.2uF
1uF
6.00 4.7uF 1uF
3x3mm
1uF
C1+
2.2uF
C1- C2+
VIN
2.2uF
C2VOUT 4.7uF
SC627A
5.00
BL1 On/Off
22nF
I2C Port
Actual PCB Layout Size = 28mm2 Flash On/Off
Semtech SC627 Family
22nF
EN
BL2
SCL
BL3
SDA
BL4
FLEN
FL
BYP
700mA
Part
Charge Pump
Backlight Sinks
Flash Sinks
LDOs
Interface
Package
AGND
LDO1
SC620
--
8 x 25mA
--
--
I2C
3x3mm
PGND
LDO2
SC621
1x/1.5x/2x
4 x 25mA
1 x 400mA
2 x 100mA
SemWire/I2C
3x3mm
2 x 100mA
SemWire/I2C
3x3mm 3x3mm
SC622
1x/1.5x/2x
--
1 x 400mA
SC623
1x/1.5x/2x
4 x 25mA
1 x 400mA
--
SemWire/I2C
SC624
1x/1.5x/2x
4 x 25mA
--
2 x 100mA
SemWire/I2C
3x3mm
SC627
1x/1.5x/2x
4 x 25mA
1 x 700mA
2 x 100mA
SemWire/I2C
3x3mm
2.5 to 3.3V 1.5 to 1.8V 1uF
1uF
Learn more: www.semtech.com/cn/eetap807 SEMTECH International AG, China Office T: +86-21-63910830 F: +86-21-63910831
