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CS5127 - Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable

General Description

The CS5127 is a fixed frequency dual output nonsynchronous buck controller.

It contains circuitry for regulating two separate outputs.

Key Features

  • s Nonsynchronous Buck Design s V2ยช Control Topology s 100ns Transient Loop Response s Programmable Oscillator Frequency s 30ns Typical Gate Rise and 10ns Fall Times (No Load) s Frequency Synchronization Input s ENABLE Input Controls Channel 2 Gate Driver s 5V/10mA Reference Output.

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Datasheet Details

Part number CS5127
Manufacturer Cherry Semiconductor Corporation
File Size 293.41 KB
Description Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable
Datasheet download datasheet CS5127 Datasheet

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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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CS5127 CS5127 Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable Description The CS5127 is a fixed frequency dual output nonsynchronous buck controller. It contains circuitry for regulating two separate outputs. Each output channel contains a high gain error amplifier, a comparator and latch, and a totem-pole output driver capable of providing DC current of 100mA and peak current in excess of 0.5A. A common oscillator controls switching for both channels, and a sync lead is provided to allow parallel supply operation or shifting of the switching noise spectrum. An on-chip 5V reference is capable of providing as much as 10mA of current for external circuitry. The CS5127 also contains two undervoltage lockout circuits.