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VP3681 - High-Efficiency Boost/SEPIC/Flyback DC/DC Controller

Key Features

  • The VP3681 is a versatile controller designed for - Wide Input Voltage from 2.97V to 60V use in Boost, SEPIC and Flyback power converter - Reference Voltage with ± 3.0% Accuracy and topologies that needs an external low-side N- - Adjustable 100kHz~1MHz Clock Frequency MOSFET acting as primary switch. Besides cycle- - 10μA Shutdown Current by-cycle current limiting, current mode control - 1A Peak Current Limit Using Internal Driver scheme also makes it wide bandwidth and good - Current Mode.

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Datasheet Details

Part number VP3681
Manufacturer Viva Electronics
File Size 0.98 MB
Description High-Efficiency Boost/SEPIC/Flyback DC/DC Controller
Datasheet download datasheet VP3681 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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VP3681 High-Efficiency Boost/SEPIC/Flyback DC/DC Controller General Description Features The VP3681 is a versatile controller designed for - Wide Input Voltage from 2.97V to 60V use in Boost, SEPIC and Flyback power converter - Reference Voltage with ± 3.0% Accuracy and topologies that needs an external low-side N- - Adjustable 100kHz~1MHz Clock Frequency MOSFET acting as primary switch. Besides cycle- - 10μA Shutdown Current by-cycle current limiting, current mode control - 1A Peak Current Limit Using Internal Driver scheme also makes it wide bandwidth and good - Current Mode Operation transient response. The current limit can be pro- - Internal 4/2Ω MOSFET Switch grammed simply with an external resistor.