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W-6139 Datasheet, PDF (1/13 Pages) Copal Electronics – 22 V High Current Boost
W-6139
22 V High Current Boost
White LED Driver
Description
The W-6139 is a DC/DC VWHSïXS converter that delivers an
DFFXUDWeFRQVWDQWFXUUHQWLGHDOIRUGULYLQJ/('V2SHUDWLRQDWDIL[HG
switchinJ IUHTXHQF\RIMHz allowsWKHGHYLFHWREHXsed with small
YDOXe H[WHUQDO ceramic capacitors and LQGXFWRr /('V connected in
series are driven with a UHJXODWHG FXUUHQW set E\ the H[WHUQDO resistor
R1 The W-6139 is ideal IRU GULYLQJ parallel VWULQJV RI XS to ILYH
wKLWH/(Ds in seriesRUXSWRV
/('GLPPLQJFDQEHGRQHE\XVLQJD'&YROWDJHDORJLFVLJQDORr
a SXOVH width PRGXODWLRQ (PWM) VLJQDO The VKXWGRZQ LQSXW pin
allows the device to be placed in powerïdown mode with “zero”
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In addition to thermal protection and overload FXUUHQW OLPLWLQJ the
device also enters a YHU\ low power RSHUDWLQJ mode GXULQJ ´2SHQ
/('µ IDXOW FRQGLWLRQV The device is KRXVHG in a low SURILOH (1 mm
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Features
v 6ZLWFK&XUUHQW/LPLWP$
v 'ULYHV/('6WULQJVXSWR9
v 8SWR(IILFLHQF\
v /RZ4Xiescent GroXQd CXUUent6 P$
v 1 MHz Fi[ed FreTXenc\/ow Noise2Seration
v 6RIW6WDUW´,nïUXVKµ&XUUHQW/LPLWLQJ
v ShXtdown &XrrenW/Hss than 1 $
v 2SHQ/('2YHUYROWDJH3URWHFWLRQ
v $XWRPDWLF6KXWGRZQDW9 89/2
v 7KHUPDO2YHUORDG3URWHFWLRQ
v 762Tï5ï/HDG PP0D[+HLJKW)
v These Devices are PbïFree+alRJen Free/BFR Free and are RoHS
Compliant
Applications
v *361DYLJDWLRQ6\VWHPs
v Portable Media POD\Hrs
v Handheld Devices
5
1
TSOTï23
PIN CONNECTIONS
1
SW
VIN
GND
FB
SHDN
(Top View)
MARKING DIAGRAM
TPYM
TP = Specific Device Code
Y = Production Year (Last Digit)
M = Production Month (1ï9, A, B, C or O, N, D)
ORDERING INFORMATION
Device
W-6139TDïGT3
(Note 1)
Package
TSOTï23
(PbïFree)
Shipping
3,000/
Tape & Reel
1. NiPdAu Plated Finish (RoHSïcompliant)
¢ NIDEC COPAL ELECTRONICS CORP.
1
October, 2015 ï Rev. 2
Publication Order Number:
W-6139/E