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PM8908TR - Monolithic buck converter

Download the PM8908TR datasheet PDF. This datasheet also covers the PM8908 variant, as both devices belong to the same monolithic buck converter family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PM8908-STMicroelectronics.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by STMicroelectronics

Part Number Description
PM8908 Monolithic buck converter
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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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