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LN2272

Part Number	LN2272
Manufacturer	natlinear
Description	Super-Small Package PWM Control Step-up Switching Regulator
Published	Dec 4, 2018
Detailed Description	LN2272 Super-Small Package PWM Control Step-up Switching Regulator ■ General Description The LN2272 is a compact, high ...
Datasheet	LN2272 PDF File

Overview

LN2272 Super-Small Package PWM Control Step-up Switching Regulator ■ General Description The LN2272 is a compact, high efficiency, step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents.
It operates in stable waveforms without external compensation.
The 80µA low quiescent current together with high efficiency maintains long battery lifetime.
■ Features  1.
5MHz fixed switching frequency  90% efficiency ■ Typical Application Circuit  High supply capability to deliver 5V 1.
2A with 1 Li-ion Cell  80µA supply current  0.
01µA shutdown mode supply current ■ Applications  PDA  LCD panel  Portable instrument  Wireless equipment ■ Package  SOT-23-6L ■ Ordering Information LN2272P ①②③ Designator 1 2 3 Symbol A M R S Description Feedback voltage...

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