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PM8908TR - Monolithic buck converter

This page provides the datasheet information for the PM8908TR, a member of the PM8908 Monolithic buck converter family.

Description

The PM8908 is a high efficiency monolithic stepdown switching regulator designed mainly for the DDR termination.

The IC operates from 1 V to 3.5 V input voltage (VIN).

The device uses a COT control loop that provides very good performances in terms of load and line transients.

Features

  • Integrated MOSFETs for high efficiency.
  • Current COT architecture.
  • 1 V to 3.5 V input voltage (VIN).
  • 5.0 V supply voltage (VCC).
  • Constant frequency mode.
  • 1% output voltage accuracy.
  • Two programmable switching frequencies (0.6 MHz or 1 MHz).
  • ADJ output voltage from 0.5 V to 2 V.
  • Embedded bootstrap diode.
  • OV/UV/OC and overtemperature protection.
  • Soft-off with integrated discharge resistor.
  • E.

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Datasheet preview – PM8908TR

Datasheet Details

Part number PM8908TR
Manufacturer STMicroelectronics
File Size 521.17 KB
Description Monolithic buck converter
Datasheet download datasheet PM8908TR Datasheet
Additional preview pages of the PM8908TR datasheet.

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Full PDF Text Transcription

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PM8908 Monolithic buck converter for DDR memory termination Datasheet - production data QFN20 3.5 x 4.0 mm Applications • Memory termination regulator for DDR3, DDR4 and low power DDR3/DDR4 • Notebook/desktop/server • Low voltage application for 1 V to 3.5 V input rails Features • Integrated MOSFETs for high efficiency • Current COT architecture • 1 V to 3.5 V input voltage (VIN) • 5.0 V supply voltage (VCC) • Constant frequency mode • 1% output voltage accuracy • Two programmable switching frequencies (0.6 MHz or 1 MHz) • ADJ output voltage from 0.5 V to 2 V • Embedded bootstrap diode • OV/UV/OC and overtemperature protection • Soft-off with integrated discharge resistor • External tracking • Power Good output • QFN20 3.5 x 4.
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