SP1937
DC-DC Step-Up Converter for White LED
TYPICAL APPLCATION CIRCUIT
PIN DESCRIPTION
SP1937S25RG / SP1937S25RGB
Pin
Symbol
Description
1
SW
Switch Pin.
2
GND
Ground Pin
3
FB
Feedback Pin.
4
SHDN
Shutdown Pin. Active-low enable
5
VIN
Supply Voltage Input
SP1937S36RG / SP1937S36RGB
Pin
Symbol
Description
1
SW
Switch Pin.
2
GND
Ground Pin
3
FB
Feedback Pin.
4
SHDN
Shutdown Pin. Active-low enable
5
GND
Ground Pin
6
VIN
Supply Voltage Input
ORDERING INFORMATION
Part Number
Package
SP1937S25RG
SOT-23-5L
SP1937S25RGB
SOT-23-5L
SP1937S35RG
SOT-353 ( SC-70-5L )
SP1937S35RGB
SOT-353 ( SC-70-5L )
※
Week Code : A ~ Z( 1 ~ 26 ) ; a ~ z( 27 ~ 52 )
※
SP1937S25RG : Tape Reel ; Pb – Free
※
SP1937S25RGB : Tape Reel ; Pb – Free ; Halogen - Free
※
SP1937S35RG : Tape Reel ; Pb – Free
※
SP1937S35RGB : Tape Reel ; Pb – Free ; Halogen - Free
Part
Marking
97YW
97YW
97YW
97YW
2009/06/15
Ver.5
Page 2
SYNC-POWER [ SYNC POWER CROP. ]
