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LTC3112 - 2.5A Synchronous Buck-Boost DC/DC Converter

General Description

The LTC®3112 is a fixed frequency synchronous buck-boost DC/DC converter with an extended input and output range.

The unique 4-switch, single inductor architecture provides low noise and seamless operation from input voltages above, below or equal to the output voltage.

Key Features

  • n Regulated Output with VIN Above, Below or Equal to VOUT n 2.7V to 15V Input Voltage Range n 2.5V to 14V Output Voltage Range n 2.5A Continuous Output Current: VIN ≥ 5V, VOUT = 5V, PWM Mode n Output Current Monitor n Up to 95% Efficiency n 750kHz Switching Frequency, Synchronizable Between 300kHz and 1.5MHz n Internal N-Channel MOSFETs n Selectable Burst Mode® Operation, IQ = 50µA n Shutdown Current < 1µA n Overvoltage Protection n Output Disconnect in Shutdown n Internal Soft-Start n Small, Th.

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Datasheet Details

Part number LTC3112
Manufacturer Linear Technology Corporation
File Size 633.11 KB
Description 2.5A Synchronous Buck-Boost DC/DC Converter
Datasheet download datasheet LTC3112 Datasheet

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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 Regulated Output with VIN Above, Below or Equal to VOUT n 2.7V to 15V Input Voltage Range n 2.5V to 14V Output Voltage Range n 2.5A Continuous Output Current: VIN ≥ 5V, VOUT = 5V, PWM Mode n Output Current Monitor n Up to 95% Efficiency n 750kHz Switching Frequency, Synchronizable Between 300kHz and 1.5MHz n Internal N-Channel MOSFETs n Selectable Burst Mode® Operation, IQ = 50µA n Shutdown Current < 1µA n Overvoltage Protection n Output Disconnect in Shutdown n Internal Soft-Start n Small, Thermally Enhanced 16-Lead (4mm × 5mm × 0.75mm) DFN and 20-Lead TSSOP Package APPLICATIONS n 3.