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NX2155 - SINGLE POWER SUPPLY SYNCHRONOUS PWM CONTROLLER

This page provides the datasheet information for the NX2155, a member of the NX2150 SINGLE POWER SUPPLY SYNCHRONOUS PWM CONTROLLER family.

Description

to DC converter applications.

as 0.8V voltage.

Features

  • of the device are: Over voltage protec- tion, thermal shutdown, 5V gate drive, Adaptive deadband n control, Internal digital soft start, Vcc undervoltage lock out and shutdown capability via the comp pin. n n n n n.

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Datasheet Details

Part number NX2155
Manufacturer NEXSEM
File Size 44.27 KB
Description SINGLE POWER SUPPLY SYNCHRONOUS PWM CONTROLLER
Datasheet download datasheet NX2155 Datasheet
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Full PDF Text Transcription

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NEXSEM NX2150/2155 SINGLE POWER SUPPLY SYNCHRONOUS PWM CONTROLLER DESCRIPTION The NX2150 controller IC is a single power supply syn- n chronous Buck controller IC designed for step down DC n to DC converter applications. NX2150 is optimized to n convert bus voltages from 5V to 24V to outputs as low n as 0.8V voltage. An internal regulator converts bus n voltage to 5V, which provides voltage supply to internal n logic and driver circuit. The NX2150 has programmable frequency feature and operates at 300kHz when Rt pin n is open. The NX2150 employs fixed loss-less current limiting by sensing the Rdson of synchronous MOSFET n followed by hiccup feature.Feedback under voltage trig- n gers Hiccup.
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