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LTC3126 - 2.5A Synchronous Step-Down Regulator

General Description

The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources.

Key Features

  • n Seamless, Automatic Transition Between Two Input Power Sources n Wide Input Voltage Range: 2.4V to 42V n Wide Output Voltage Range: 0.818V to VIN n Up to 2.5A Continuous Output Current n Pin-Selectable Priority and Ideal Diode-OR Modes n Burst Mode® Operation, IQ = 2µA n 95% Efficiency at 1A, VIN = 12V, VOUT = 5V n 1µA Current in Shutdown n Programmable Input UVLO Thresholds n Input Valid, Priority Channel and PGOOD Indicators n 200kHz to 2.2MHz Fixed Frequency PWM n Synchronizable to an Exter.

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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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Features n Seamless, Automatic Transition Between Two Input Power Sources n Wide Input Voltage Range: 2.4V to 42V n Wide Output Voltage Range: 0.818V to VIN n Up to 2.5A Continuous Output Current n Pin-Selectable Priority and Ideal Diode-OR Modes n Burst Mode® Operation, IQ = 2µA n 95% Efficiency at 1A, VIN = 12V, VOUT = 5V n 1µA Current in Shutdown n Programmable Input UVLO Thresholds n Input Valid, Priority Channel and PGOOD Indicators n 200kHz to 2.