SM8130 Datasheet, PDF (2/6 Pages) Nippon Precision Circuits Inc – White LED Driver IC

BLOCK DIAGRAM
SM8130 series
VIN
VREF
AMP
ENA
OSC
Soft Start
Driver
MOS
Switch
C1M
C1P
VOUT
CONT
VSS
Current
Limiter
Current
Control
PIN DESCRIPTION
Number
Name
I/O
1
CONT
I
2
ENA
Ip ^*1
3
C1M
–
4
VIN
–
5
C1P
–
6
VOUT
O
7
VSS
–
8
DIN1
O
9
DIN2
O
10
DIN3
O
*1. Input with built-in pull-down resistor
Description
LED driving current control voltage input pin
Chip enable (High active)
Charge pump capacitor connection pin 1M
Power supply
Charge pump capacitor connection pin 1P
LED driving voltage output pin
GND
LED driving current control output pin 1
LED driving current control output pin 2
LED driving current control output pin 3
DIN1
DIN2
DIN3
NIPPON PRECISION CIRCUITS INC.—2