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W-6237TD-GT 데이터시트(PDF) 1 Page - Copal Electronics |
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W-6237TD-GT 데이터시트(HTML) 1 Page - Copal Electronics |
1 / 13 page NIDEC COPAL ELECTRONICS CORP. , 201 Rev. 1 Publication Order Number: W-6237/ W-6237 High Voltage CMOS Boost White LED Driver Description The W-6237 is a DC/DC converter that delivers an e constant ideal for driving LEDs. Operation at a constant switching of 1 MHz allows the device to be with small external ceramic capacitors and r. LEDs connected in series are driven with a set the external resistor R1. LED s A can be s r a w s s from 2.8 V to 5.5 V, making the device ideal for batter powered applications. The W-6237 high voltage stage is perfect for driving six, seven or eight white t applications. LED r a width (PWM) signal. The pin allows the device to be placed in power down mode with “zero” t In addition to thermal protection and overload limiting, the device also enters a low power operating mode “Open LED” conditions. The device is in a low profile (1 mm max height) 5 lead thin SOT23 package for space critical applications. Features Drives 6 to 8 White LEDs in Series from 3 V Up to 87% Ef Lo iescent Gro d C ent .6 mA High Fre enc z Operation High Voltage Power Switch Sh tdown rrent Less than 1 A Open LED Low Power Mode Thin SOT23 5 lead (1 mm Max Height) These Devices are Pb Free, Halogen Free/BFR Free and are RoHS Compliant Applications Color LCD and Ke ad Backlighting Cell lar Phones Handheld Devices Digital Cameras PDAs Portable Game Machine TSOT 23 PIN CONNECTIONS UDYM MARKING DIAGRAMS Device Package Shipping ORDERING INFORMATION (Note 1) TSOT 23 (Pb Free) 3,000/ Tape & Reel Y = Production Year (Last Digit) M = Production Month (1 9, A, B, C or O, N, D) 1 5 (Top View) VIN SHDN SW FB 1 1. NiPdAu Plated Finish (RoHS compliant) |
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