LN2540 - Switch control LED color temperature regulator

Datasheet Details

Part number	LN2540
Manufacturer	natlinear
File Size	251.53 KB
Description	Switch control LED color temperature regulator
Datasheet	LN2540 Datasheet

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LED ■ LN2540 LED 。 3S ，LED ， 3 。 LN2540 ，，，。 SOT23-5L ，， PCB 。 ■  LED  RGB LED   ■ LN2540 ①② ① M ② R L ■ 5 4 STA STB NC GND VDD 12 3 SOT23-5 1 NC 2 GND 3 VDD 4 STB 5 STA LN2540 ■  ：6V~450V  40ms   ，  MOSFET ■  SOT23-5L SOT23-5L ， 2， 1， Rev.1.0 —Sep. 24, 2012 1 http://www.natlinear.com ■  MOSFET SWITCH R1 LN2540 VIN C1 VDD STB STA GND NMOSFET1 NMOSFET2 ： C1 ， 0.47uF~2.2uF 。 R1 ， R1=(VIN-5)*500 。 NMOSFET1 NMOSFET2 VDS ， VIN 。 VT 3V NMOS。  SWITCH R1 VDD A SCR1 C1 STB A GY SCR2 STA GND GY ： STA STB ，。 C1 ， 0.47uF~2.2uF 。 R1 ， R1=(VIN-5)*500 。 Rev.1.0 —Sep. 24, 2012 2 http://www.natlinear.