SM8132A Datasheet, PDF (16/18 Pages) Nippon Precision Circuits Inc – White LED Driver IC

SM8132A
TYPICAL APPLICATION CIRCUITS
2.8 to 4.3V
VIN
C4 = 4.7µF
C1 = 1µF C2 = 1µF
C1M C1P
C2M C2P
Charge pump
1 /1.5
Mode control
&
Output voltage control
&
Protection
TSD
Current
control
&
Current
detect
Control
EN
logic
GND PGND
VOUT C3 = 4.7µF
20mA 4
DIN1
DIN2
DIN3
DIN4
ISET
RSET = 20kΩ
I_{LED MAX} = 20mA circuit example
Note. If the driving LED is less than 4 pcs, unused DIN pins should be connect to GND.
NIPPON PRECISION CIRCUITS INC.—16