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CN5120 - 4.5V to 32V Input Current Mode Boost DC-DC Controller

General Description

The CN5120 is a current mode fixed-frequency PWM controller for both flyback and step-up DC-DC converters.

The device operates from an input supply between 4.5V and 32V and provides to drive an external N-channel MOSFET.

Key Features

  • include chip shutdown, over voltage protection, built-in 5V regulator and slope compensation, etc. The CN5120 is available in 10-pin SSOP package.

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Datasheet Details

Part number CN5120
Manufacturer CONSONANCE
File Size 325.48 KB
Description 4.5V to 32V Input Current Mode Boost DC-DC Controller
Datasheet download datasheet CN5120 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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CONSONANCE 4.5V to 32V Input Current Mode Boost DC-DC Controller CN5120 General Description: The CN5120 is a current mode fixed-frequency PWM controller for both flyback and step-up DC-DC converters. The device operates from an input supply between 4.5V and 32V and provides to drive an external N-channel MOSFET. The CN5120 contains all the necessary building blocks including a bandgap reference, a 330KHz oscillator, current-mode control circuitry, chip shutdown block, softstart block and gate driver, etc. Current mode control provides improved transient response and simplified loop compensation. On-chip soft start reduces the inrush current on power up. The other features include chip shutdown, over voltage protection, built-in 5V regulator and slope compensation, etc.