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CM3718 - 1.5A LOW-NOISE PWM STEP-DOWN REGULATOR

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Features

  • The CM3718 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. The device features an internal synchronous rectifier for high efficiency; it requires no external Schottky diode. Excellent noise characteristics and fixed-frequency operation provide easy post-filtering. The CM3718 is ideally suited for Li-lon battery.

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Datasheet Details

Part number CM3718
Manufacturer Champion
File Size 304.19 KB
Description 1.5A LOW-NOISE PWM STEP-DOWN REGULATOR
Datasheet download datasheet CM3718 Datasheet
Additional preview pages of the CM3718 datasheet.

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Full PDF Text Transcription

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CM3718 1.5A LOW-NOISE PWM STEP-DOWN REGULATOR GENERAL DESCRIPTION FEATURES The CM3718 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. The device features an internal synchronous rectifier for high efficiency; it requires no external Schottky diode. Excellent noise characteristics and fixed-frequency operation provide easy post-filtering. The CM3718 is ideally suited for Li-lon battery applications. It is also useful for +3V or +5V fixed input applications. The device operates in one of four modes. Forced PWM mode operates at a fixed frequency regardless of the load.
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