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LX7178

Microsemi
Part Number LX7178
Manufacturer Microsemi
Description 5A Constant Frequency Hysteretic Synchronous Buck Regulator
Published Jan 21, 2024
Detailed Description LX7178 3V to 5.5V, 5A Constant Frequency Hysteretic Synchronous Buck Regulator with I2C Production Datasheet Descriptio...
Datasheet PDF File LX7178 PDF File

LX7178
LX7178

Overview
LX7178 3V to 5.
5V, 5A Constant Frequency Hysteretic Synchronous Buck Regulator with I2C Production Datasheet Description Features The LX7178 is a digitally controlled step-down regulator IC with an integrated 40mΩ high-side P-channel MOSFET and a 14mΩ low-side N-channel MOSFET.
It features Microsemi’s proprietary constant-frequency hysteretic control engine for near-instantaneous correction to line/load transients.
It does not require high-ESR output capacitors and incorporates energysaving “PSM” (Power Save or Pulse Skip Mode) at light loads, to extend battery life in mobile applications.
The LX7178 has an I2C serial interface port for output voltage margining and monitoring if required (it can also operate in default mode).
In addition it includes robust fault monitoring functions.
The LX7178 will operate from 3V to 5.
5V, and is available in 0.
8V fixed output voltage option (no voltage divider is necessary).
The output voltage can also be adjusted with an external voltage divider ...


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