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HM2806 - PWM/PFM Control DC-DC Buck Constant Current Driver

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PWM/PFM DC-DC HM2806 ■ ■ HM2806 、、、 PWM/PFM CMOS 。 PWM/PFM , (2.0-6V)、 。 HM2806 MOSFET,、、 ,,。 , 。  LED ■  SOT-23-5L ■  92%  950mA  200μA  100%  PWM/PFM 、 ■ VIN C1 4.7uF Common GND VIN LX CE FB L 2.2uH 3W R0 5 4 FB VIN CE GND LX 1 23 1SOT-232-5L 3 (Top View) VOUT C2 10uF Common :ILED=0.1V/R0 ■ HM2806 ①②③ ① ② ③ A M S R VFB=0.1V :SOT-23-5L : : Shenzhen H&M Semiconductor Co.Ltd http://www.hmsemi.com 1 ■ ■  SOT-23-5L SOT-23-5L 1 2 3 4 5 CE GND LX VIN FB 5 4 ①②③④ 12 3 SOT-23-5L ① 3 HM2806 ◆◆◆ ② ② A FB=0.1V ③ ③ M :SOT-23-5L ④ 0-9,A-Z, 0-9,A-Z,(G,I,J,O,Q,W ) HM2806 Shenzhen H&M Semiconductor Co.Ltd http://www.hmsemi.