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LTC3251 - Step-Down DC/DC Converter

Key Features

  • Up to 500mA Output Current.
  • No Inductors.
  • 2.7V to 5.5V Input Voltage Range.
  • 2x Efficiency Improvement Over LDOs.
  • 2-Phase, Spread Spectrum Operation for Low Input and Output Noise.
  • Shutdown Disconnects Load from VIN.
  • Adjustable Output Voltage Range: 0.9V to 1.6V Fixed Output Voltages: 1.2V, 1.5V.
  • Super Burst, Burst and Burst Defeat Operating Modes.
  • Low Operating Current: IIN = 35µA (Burst Mode® Operation).
  • Super Burst Operating Current: IIN = 10µ.

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3251-1.2 Step-Down DC/DC Converter
LTC3251-1.5 Step-Down DC/DC Converter
LTC3250-1.2 Inductorless Step-Down DC/DC Converter
LTC3250-1.5 Inductorless Step-Down DC/DC Converter
LTC3252 Inductorless Step-Down DC/DC Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U U LTC3251/ LTC3251-1.2/LTC3251-1.5 500mA High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter FEATURES ■ Up to 500mA Output Current ■ No Inductors ■ 2.7V to 5.5V Input Voltage Range ■ 2x Efficiency Improvement Over LDOs ■ 2-Phase, Spread Spectrum Operation for Low Input and Output Noise ■ Shutdown Disconnects Load from VIN ■ Adjustable Output Voltage Range: 0.9V to 1.6V Fixed Output Voltages: 1.2V, 1.5V ■ Super Burst, Burst and Burst Defeat Operating Modes ■ Low Operating Current: IIN = 35µA (Burst Mode® Operation) ■ Super Burst Operating Current: IIN = 10µA ■ Low Shutdown Current: IIN = 0.