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CM3706 - Synchronous Step-Down Regulator

Description

The CM3706 is a 1.5MHz constant frequency, slope compensated current mode PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.

Features

  • ES.
  • High Efficiency: Up to 96% 1.5Mhz Constant Switching Frequency 600mA Output Current at VIN=3V Integrated Main switch and synchronous rectifier. No Schottky Diode Required 2.5V to 5.5V Input Voltage Range Output Voltage as Low as 0.6V 100% Duty Cycle in Dropout Low Quiescent Current: 300µA Slope Compensated Current Mode Control for Excellent Line and Load Transient Response Short Circuit Protection Thermal Fault Protection.

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Datasheet Details

Part number CM3706
Manufacturer Champion
File Size 410.29 KB
Description Synchronous Step-Down Regulator
Datasheet download datasheet CM3706 Datasheet

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Full PDF Text Transcription

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CM3706 1.5MHz, 600mA Synchronous Step-Down Regulator GENERAL DESCRIPTION The CM3706 is a 1.5MHz constant frequency, slope compensated current mode PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. It is ideal for powering portable equipment that runs from a single cell lithium-Ion (Li+) battery. The CM3706 can supply 600mA of load current from a 2.5V to 5.5V input voltage. The output voltage can be regulated as low as 0.6V. The CM3706 can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. Idle mode operation at light loads provides very low output ripple voltage for noise sensitive applications.
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