SP1937 Datasheet, PDF (2/10 Pages) SYNC POWER Crop. – DC-DC Step-Up Converter for White LED

SP1937
DC-DC Step-Up Converter for White LED
TYPICAL APPLCATION CIRCUIT
PIN DESCRIPTION
SP1937S25RG
Pin
Symbol
1
SW
2
GND
3
FB
4
SHDN
5
VIN
Switch Pin.
Ground Pin
Feedback Pin.
Shutdown Pin. Active-low enable
Supply Voltage Input
Description
SP1937S36RG
Pin
1
2
3
4
5
6
Symbol
SW
GND
FB
SHDN
GND
VIN
Switch Pin.
Ground Pin
Feedback Pin.
Shutdown Pin. Active-low enable
Ground Pin
Supply Voltage Input
Description
ORDERING INFORMATION
Part Number
Package
SP1937S25RG
SOT-23-5L
SP1937S35RG
SOT-353 ( SC-70-5L )
※ Week Code : A ~ Z( 1 ~ 26 ) ; a ~ z( 27 ~ 52 )
※ SP1937S25RG : Tape Reel ; Pb – Free
※ SP1937S35RG : Tape Reel ; Pb – Free
Part Marking
97YW
97YW
2007/07/10 Ver.3
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