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LN2130 - natlinear

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LN2130 Low-voltage step-up LED driver that supports high-frequency PWM dimming

PWM DC-DC LN2130 ■ LN2130 、 DC/DC 。 CMOS , 20V。 ,LN2130 , 。 LN2130 ,。 1.2MHz PWM , ,。 LN2130 SOP8/PP ,, 。 ■  MR16 LED  LED ■  :6.8V—20V;  : 20V  :1.2MHz±20%;  :95%  :PWM  : 20.0µA ■  SOP-8/PP ■ ■ LN2130 ①②③④⑤⑥ Rev.1.0 — Nov. 22, 2011 1 www.natlinear.com ① ②③④ ⑤ ⑥ ■ B 010-149 M R L ; 1.2MHZ FB : ②=0 ③=2 ④=0 0.20V ②=1.

Features

=8V、VLX=0.4V 3 0.19 VIN 6.8 - - 1 78 - 0.20 - 3650 150 1.2 85 88 4000 24 0.2 (Ta25C ) 0.21 30 V 1 30 30 30 µA 2 2 µA 2 1.4 MHz 1 92 % 2 - % 1 mA 2 V 3 Ω 2 www.natlinear.com LX ILXL CE VCEH 1 CE VCEL CE ICEH IDD2 CE ICEL ISTB FB ICEH IDD2 FB ICEL ISTB (
*1) Vfbt 0.1-1.23 , 0.1、0.2、0.23、0.25 LN2130 0 1 A 2 V 2 0.6 V 2 0.1 A 2 -0.1 A 2 0.1 A 2 -0.1 A 2

 1 L:22uH VLF3010A SD XBOASBO3A1B VIN LX Vin VP OVP Cin 4.7uF CE VSS FB Cp 10uF RLED 1.78Ω CL 1uF V
 2
 3 A VIN LX L:22uH VLF30.

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