SP1938
DC-DC Step-Up Converter for White LED
TYPICALAPPLCATION CIRCUIT
PIN DESCRIPTION
Pin
1
Symbol
Description
SW
GND
FB
Connect inductor/diode here
Ground Pin
2
3
Connect cathode of lowest LED and resistor here
4
SHDN
OVP
VIN
Combined active low enable and PWM control pin for LED dimming
Over voltage Protection and Connect to the output capacitor of the Converter
Supply Voltage Input
5
6
ORDERING INFORMATION
Part Number
Package
Part Marking
SP1938S26RGB
SOT-23-6L
98YW
※ Week Code : A ~ Z( 1 ~ 26 ) ; a ~ z( 27 ~ 52 )
※ SP1938S26RGB : Tape Reel ; Pb – Free ; Halogen -Free
2009/03/30 Ver.1
Page 2
SYNC-POWER [ SYNC POWER CROP. ]
