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PM8908

STMicroelectronicsExtended

-40℃~+150℃ 1 1V~3.5V 2mA 500mV~2V 600kHz~1MHz Adjustable Buck Built-in Overcurrent Protection、Output discharge、Protection latch、Operating status indication、Adjustable current limiting、Output voltage tracking Step-down type Yes VQFN-20-EP(3.5x4) DC-DC Converters ROHS

Part id
st/PM8908
Category
DC DC Converters
Package
VQFN-20-EP(3.5x4)
Pins
21
In stock
0 at JLCPCB (C2650374)

Overview

The PM8908 is a DC DC Converter made by STMicroelectronics in a VQFN-20-EP(3.5x4) package with 21 pins. -40℃~+150℃ 1 1V~3.5V 2mA 500mV~2V 600kHz~1MHz Adjustable Buck Built-in Overcurrent Protection、Output discharge、Protection latch、Operating status indication、Adjustable current limiting、Output voltage tracking Step-down type Yes VQFN-20-EP(3.5x4) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:PM8908TR, from EasyEDA) and its footprint (EasyEDA_Cloud:VQFN-20_L4.0-W3.5-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2650374).

Symbol

1PGND2PGND3PGND4VIN5VIN6GND7REF8COMP9REFIN10VOUT11PHASE12PHASE13PHASE14PHASE15PHASE16BOOT17EN18MODE19PGOOD20VCC21EP
EasyEDA_Cloud:PM8908TRFrom EasyEDA

Footprint

21
EasyEDA_Cloud:VQFN-20_L4.0-W3.5-P0.50-BL-EPFrom EasyEDA

Pinout

21
The pins of the PM8908
PinNameType
1PGNDUnspecified
2PGNDUnspecified
3PGNDUnspecified
4VINUnspecified
5VINUnspecified
6GNDUnspecified
7REFUnspecified
8COMPUnspecified
9REFINUnspecified
10VOUTUnspecified
11PHASEUnspecified
12PHASEUnspecified
13PHASEUnspecified
14PHASEUnspecified
15PHASEUnspecified
16BOOTUnspecified
17ENUnspecified
18MODEUnspecified
19PGOODUnspecified
20VCCUnspecified
21EPUnspecified

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the PM8908?

Yes. The symbol is EasyEDA_Cloud:PM8908TR and the footprint EasyEDA_Cloud:VQFN-20_L4.0-W3.5-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PM8908?

VQFN-20-EP(3.5x4), with 21 pins. Its footprint is drawn on this page.

Where is the PM8908 datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the PM8908?

JLCPCB lists it as part C2650374, with 0 in stock; the sellers' links on this page open their listings.

What can replace the PM8908?

Parts like it in the library: the TPS51317RGBR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.