PM8908 datasheet(1/28 Pages) STMICROELECTRONICS

부품명	PM8908

상세설명	Monolithic buck converter for DDR memory termination

PDF	28 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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1 / 28 page

This is information on a product in full production.

November 2015

DocID027688 Rev 3

1/28

PM8908

Monolithic buck converter for DDR memory termination

Datasheet

- production data

Features

 Integrated MOSFETs for high efficiency

 Current COT architecture

 1 V to 3.5 V input voltage (V

IN)

 5.0 V supply voltage (V

CC)

 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 4.0 mm compact package

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

Description

The PM8908 is a high efficiency monolithic step-

down 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. The current sense is internally

thermally compensated for optimum precision.

The output voltage is adjusted from 0.5 V to 2 V

with ± 1% accuracy overtemperature variations.

The PM8908 also provides external tracking

support.

The PM8908 provides positive and negative

overcurrent protection as well as

over/undervoltage and overtemperature

protection. PGOOD output easily provides real-

time information on the output voltage.

The PM8908 is available in a QFN20

3.5 x 4.0 mm package.

QFN20 3.5 x 4.0 mm

Table 1. Device summary

Order code

Package

Packaging

PM8908TR

QFN20 (3.5 x 4.0 mm)

Tape and reel

www.st.com

유사한 부품 번호 - PM8908

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	PM8903	2Mb / 34P	3 A step-down monolithic switching regulator 01-Feb-2012
	PM8903A	2Mb / 33P	3 A step-down monolithic switching regulator 11-Jan-2013
	PM8903ATR	2Mb / 33P	3 A step-down monolithic switching regulator 11-Jan-2013
	PM8903TR	2Mb / 34P	3 A step-down monolithic switching regulator 01-Feb-2012

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유사한 설명 - PM8908

제조업체	부품명	데이터시트	상세설명
Linear Technology	LTC3413	243Kb / 16P	3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination
Linear Technology	LTC3413IFE	259Kb / 16P	3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination
Linear Integrated Syste...	LTC3618	616Kb / 24P	Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
Altera Corporation	EV1320QI	1Mb / 20P	2A PowerSoC Source/Sink DDR Memory Termination Converter
Linear Technology	LTC3413	259Kb / 16P	3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination
Linear Technology	LTC3618	634Kb / 24P	Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination
ON Semiconductor	NCP51198	111Kb / 9P	DDR Memory Termination Regulator April, 2015 ??Rev. 3
Texas Instruments	TPS53317A	1Mb / 33P	Integrated-FET Converter for DDR Memory Termination
ON Semiconductor	FAN23SV04TAMPX	1Mb / 20P	4A Synchronous Buck Regulator for DDR Termination September 2015 Rev. 1.0
ON Semiconductor	NCP51190	113Kb / 9P	1.5A DDR Memory Termination Regulator January, 2017 ??Rev. 4

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PM8908 데이터시트(PDF) 1 Page - STMicroelectronics

PM8908 데이터시트(HTML) 1 Page - STMicroelectronics

유사한 부품 번호 - PM8908

유사한 설명 - PM8908

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