PM8841 datasheet(1/13 Pages) STMICROELECTRONICS

Part #	PM8841

Description	1 A low-side gate driver

PDF	13 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 13 page

This is information on a product in full production.

October 2014

DocID027119 Rev 1

1/13

PM8841

1 A low-side gate driver

Datasheet

- production data

Features

 Low-side MOSFET driver

 1 A sink and 0.8 A source capability

 External reference for input threshold

 Wide supply voltage range (10 V ÷ 18 V)

 Input and output pull-down resistors

 Short propagation delays

 Input and output UVLO

 Wide operating temperature range:

-40 °C to 125 °C

 SOT23-5 package

Applications

 SMPS

 Digital lighting

 Wireless battery chargers

 Digitally controlled MOSFETs

Description

The PM8841 is a high frequency single channel

low-side MOSFET driver specifically designed to

work with digital power conversion

microcontrollers, such as the STMicroelectronics

STLUX™ family of products.

The PM8841 output can sink 1 A and source

0.8 A.

The input levels of the driver are derived by the

voltage present at the IN_TH pin (between 2 V

and 5.5 V). This pin is typically connected at the

same voltage of the microcontroller supply

voltage.

The PM8841 device includes both input and

output pull-down resistors.

UVLO circuitry for input and output stages is

present preventing the IC from driving the

external MOSFET in unsafe condition.

SOT23-5

Table 1. Device summary

Order code

Package

PM8841D

SOT23-5

www.st.com

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