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MAX1692 - Low-Noise / 5.5V-Input / PWM Step-Down Regulator

General Description

The MAX1692 is a low-noise, pulse-width-modulated (PWM), DC-DC step-down converter.

It powers logic and transmitters in small wireless systems such as cellular phones, communicating PDAs, and handy-terminals.

Key Features

  • o +2.7V to +5.5V Input Range o Adjustable Output from 1.25V to VIN o 600mA Guaranteed Output Current o 95% Efficiency o No Schottky Diode Required o 85µA Quiescent Current o 100% Duty Cycle in Dropout o 750kHz Fixed-Frequency PWM Operation o Synchronizable Switching Frequency o Accurate Reference: 1.25V (±1.2%) o Small 10-Pin µMAX Package General.

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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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19-1400; Rev 0; 11/98 L MANUA ION KIT HEET T A U L EVA TA S WS DA FOLLO Low-Noise, 5.5V-Input, PWM Step-Down Regulator Features o +2.7V to +5.5V Input Range o Adjustable Output from 1.25V to VIN o 600mA Guaranteed Output Current o 95% Efficiency o No Schottky Diode Required o 85µA Quiescent Current o 100% Duty Cycle in Dropout o 750kHz Fixed-Frequency PWM Operation o Synchronizable Switching Frequency o Accurate Reference: 1.25V (±1.2%) o Small 10-Pin µMAX Package General Description The MAX1692 is a low-noise, pulse-width-modulated (PWM), DC-DC step-down converter. It powers logic and transmitters in small wireless systems such as cellular phones, communicating PDAs, and handy-terminals.