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LN2266 - Super-Small Package PWM Control Step-up Switching Regulator

Datasheet Summary

Description

The LN2266 is a compact, high efficiency, and low voltage 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

Features

  • 0.9V（Iout=1mA） Low start-up input voltage.
  • 1000kHz fixed switching frequency.
  • 90% efficiency.
  • High supply capability to deliver 3.3V 300mA with1 alkaline cell or deliver 5V 1100mA with 1 Li-ion Cell.
  • 17µA quiescent (switch-off) supply current.
  • 0.01µA shutdown mode supply current.
  • Providing flexibility for using internal and external power switches.
  • Output voltage: settable to between 2.0V to 5.2V ,accuracy of 2%.

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Datasheet Details

Part number LN2266
Manufacturer natLinear
File Size 384.12 KB
Description Super-Small Package PWM Control Step-up Switching Regulator
Datasheet download datasheet LN2266 Datasheet
Additional preview pages of the LN2266 datasheet.

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Full PDF Text Transcription

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LN2266 Super-Small Package PWM Control Step-up Switching Regulator ■ General Description The LN2266 is a compact, high efficiency, and low voltage 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 low start-up input voltage below 0.9V makes LN2266 suitable for 1 to 4 battery cells applications of providing up to 1100mA output current. Besides, the 17µA low quiescent current together with high efficiency maintains long battery lifetime. The output voltage is set with two external resistors. Both internal 2.
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