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CM3708A

Champion
Part Number CM3708A
Manufacturer Champion
Description 3A LOW-NOISE PWM STEP-DOWN REGULATOR
Published Nov 8, 2017
Detailed Description CM3708A 3A LOW-NOISE PWM STEP-DOWN REGULATOR GENERAL DESCRIPTION FEATURES The CM3708A is a low-noise, pulse-width-mod...
Datasheet PDF File CM3708A PDF File

CM3708A
CM3708A

Overview
CM3708A 3A LOW-NOISE PWM STEP-DOWN REGULATOR GENERAL DESCRIPTION FEATURES The CM3708A 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 CM3708A 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.
Shutdown mode places the device in standby, reducing quiescent supply current to under 0.
1μA.
‹ ‹ Patent Filed #6,452,366 600KHz switching and synchronization Dynamic output-voltage adjustment from VREF to VIN 3A Guaranteed Output Current 95% ...


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