SM8133B Datasheet, PDF (4/20 Pages) Nippon Precision Circuits Inc – White LED Driver IC

BLOCK DIAGRAM
SM8133B
C1M C1P C2M C2P
Charge pump
VIN
1/ 1.5
VOUT
RESETB
SCK
SDA
EN
Mode control
&
Output voltage control
&
Protection
Thermal
shut down
Control
logic
Current
control
&
Under
current
detector
LDO 3V
&
Protection
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
DIN7
LDOUT
GND PGND
NIPPON PRECISION CIRCUITS INC.—4