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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

Key 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

Full PDF Text Transcription for LN2266 (Reference)

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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...

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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 i