SM8120 Datasheet, PDF (2/14 Pages) Nippon Precision Circuits Inc – White LED Driver IC

BLOCK DIAGRAM
SW
SM8120A
VDD
CE
FB
Buff
QS
COMP
R
VREF
OSC
SOFT
START
VSS
PIN DESCRIPTION
Number
Name
I/O
1
VDD
–
2
VSS
–
3
SW
O
4
FB
I
5
CE
Ip¹
1. Input with built-in pull-down resistor
Description
Power supply
GND
Coil switching
Feed back (Output current detection)
Chip enable (High active)
NIPPON PRECISION CIRCUITS INC.—2