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CYT3406 - Synchronous Buck DC/DC Converter

Datasheet Summary

Description

The CYT3406 is high efficiency synchronous, PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V.

This feature makes the CYT3406 suitable for single Li-lon battery-powered applications.

Features

  • Up to 95% Efficiency Current mode operation for excellent line and load transient response Low quiescent current: 230uA Low Switch on Resistance RDS(ON), Internal Switch: 0.35.

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Datasheet Details

Part number CYT3406
Manufacturer CYT
File Size 539.76 KB
Description Synchronous Buck DC/DC Converter
Datasheet download datasheet CYT3406 Datasheet
Additional preview pages of the CYT3406 datasheet.

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CYT3406 Synchronous Buck DC/DC Converter CYT3406 Description The CYT3406 is high efficiency synchronous, PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V. This feature makes the CYT3406 suitable for single Li-lon battery-powered applications. 100% duty cycle capability extends battery life in portable devices, while the quiescent current is 200uA with no load, and drops to < 1uA in shutdown. The internal synchronous switch is desired to increase efficiency without an external Schottky diode. The 1.4 MHz fixed switching frequency allows the using of tiny, low profile inductors and ceramic capacitors, which minimized overall solution footprint. The CYT3406 converters are available in the industry standard SOT-23-5 power packages (or upon request).
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