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LTC3537 - 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO

General Description

The LTC®3537 combines a high efficiency, 2.2MHz step-up DC/DC converter with an independent 100mA low dropout regulator (LDO).

Key Features

  • n High Efficiency Step-Up DC/DC Converter and LDO Step-Up n VIN: 0.68V to 5V, VOUT: 1.5V to 5.25V IOUT: 100mA at 3.3V, VIN >0.8V n 2.2MHz Fixed Frequency Operation n Synchronous Rectifier with Output Disconnect n Burst Mode Operation (Pin Selectable) Linear LDO Regulator n VIN: 1.8V to 5.5V, VOUT: 0.6V to 5V IOUT: 100mA n 100mV Dropout Voltage at 50mA n 24dB Ripple Rejection at fSW Combined n Power Good Indicators n Low-Battery Comparator n 30μA IQ n Low Profile 3mm × 3mm × 0.75mm Package.

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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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LTC3537 2.2 MHz, 600mA Synchronous Step-Up DC/DC Converter and 100mA LDO FEATURES n High Efficiency Step-Up DC/DC Converter and LDO Step-Up n VIN: 0.68V to 5V, VOUT: 1.5V to 5.25V IOUT: 100mA at 3.3V, VIN >0.8V n 2.2MHz Fixed Frequency Operation n Synchronous Rectifier with Output Disconnect n Burst Mode Operation (Pin Selectable) Linear LDO Regulator n VIN: 1.8V to 5.5V, VOUT: 0.6V to 5V IOUT: 100mA n 100mV Dropout Voltage at 50mA n 24dB Ripple Rejection at fSW Combined n Power Good Indicators n Low-Battery Comparator n 30μA IQ n Low Profile 3mm × 3mm × 0.75mm Package APPLICATIONS n Wireless Microphones n Portable Medical instruments n Noise Cancelling/Portable Headsets n RF and Audio Power DESCRIPTION The LTC®3537 combines a high efficiency, 2.