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LN2267 - natlinear

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LN2267 Ultra-small low voltage start PWM control boost DC/DC voltage regulator

PWM DC/DC LN2267 ■ LN2267 、、 DC/DC 。 PWM ,,, 。 。 1V , 1-4 , 600mA 。14uA 90%。 。 ■  MP3  PDA       DSC、LCD ■  0.8V(Iout=1mA)  500KHz  90%  3.3V 300mA 5V 800mA  2V 6V, ±2.0%  14μA  0.01μA  ■  SOT-23-6L ■ LN22 67P ①②③④ ① ② B A 1 2 ■ CE CE :±1% :±2% ③ M R ④ L SOT-23-6L : : .

Features

Iswitch-off ISW Ino-load Vref Fs Dmax LX Ilimit Δ Vline Δ Vload CE Ts Δ Tsd
■ IL=1mA VDD CE=0,VIN=4.5V VIN=6V VIN=CE=3.3V,VFB=GND VIN=1.5V,VOUT=3.3V Close Loop Vdd=3.3V Vdd=3.3V Vdd=3.3V Vdd=3.3V Vdd=3.3V Vin=3.5-6V,IL=1mA VIN=2.5V,IL=1-100mA VDD=3.3V 2 -- - 1.225 425 85 - 1.0 - - 0.4 - - LN2267 0.8 1.05 V 6 0.01 1 µA 14 25 μA 1500 - mA 56 - μA 1.25 1.275 V 500 575 KHZ 95 - % 0.2 1.0 Ω 1.5 2.0 A 0.25 5 mV/V 0.5 - mV/mA 0.8 1.2 V 50 - Ppm/℃ 10 - ℃ Rev.1.0 — Dec. 20, 2011 4 www.natlinear.com
■ 1. —— LN2267 2. ——.

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