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LT3462A - Inverting 1.2MHz/2.7MHz DC/DC Converters

This page provides the datasheet information for the LT3462A, a member of the LT3462 Inverting 1.2MHz/2.7MHz DC/DC Converters family.

Description

The LT®3462/LT3462A are general purpose fixed fre‑ quency current mode inverting DC/DC converters.

Both devices feature an integrated Schottky and a low VCESAT switch allowing a small converter footprint and lower parts cost.

Features

  • nn Integrated Schottky Rectifier nn Fixed Frequency 1.2MHz/2.7MHz Operation nn Very Low Noise: 1mVP-P Output Ripple nn Low VCESAT Switch: 270mV at 250mA nn.
  • 5V at 100mA from 5V Input nn.
  • 12V at 30mA from 3.3V Input nn Low Input Bias Current GND Based FB Input nn Low Impedance (40Ω) 1.265V Reference Output nn High Output Voltage: Up to.
  • 38V nn Wide Input Range: 2.5V to 16V nn Uses Tiny Surface Mount Components nn Low Shutdown Current:.

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Datasheet preview – LT3462A

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Full PDF Text Transcription

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FEATURES nn Integrated Schottky Rectifier nn Fixed Frequency 1.2MHz/2.7MHz Operation nn Very Low Noise: 1mVP-P Output Ripple nn Low VCESAT Switch: 270mV at 250mA nn –5V at 100mA from 5V Input nn –12V at 30mA from 3.3V Input nn Low Input Bias Current GND Based FB Input nn Low Impedance (40Ω) 1.265V Reference Output nn High Output Voltage: Up to – 38V nn Wide Input Range: 2.5V to 16V nn Uses Tiny Surface Mount Components nn Low Shutdown Current: <10µA nn Low Profile (1mm) SOT-23 (ThinSOT™) Package nn 8-Lead DFN (2mm × 2mm × 0.75mm) Package, LT3462A Only APPLICATIONS nn CCD Bias nn LCD Bias nn GaAs FET Bias nn General Purpose Negative Voltage Supply LT3462/LT3462A Inverting 1.2MHz/2.
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