L9777 datasheet(1/25 Pages) STMICROELECTRONICS

Part #	L9777

Description	High precision output voltage

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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This is information on a product in full production.

February 2014

DocID13496 Rev 4

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L9777

Low power voltage regulator

Datasheet

- production data

Features

 Operating DC supply voltage range 5.6 V to

31 V

 Low current consumption (110 μA typ @ Iout = 0)

 High precision output voltage (2 %)

 Low dropout voltage

 VDD tracking regulator switchable on/off by

VDD_EN pin

 Reset circuit sensing the output voltage down

to 1 V.

 Double reset function

 Adjustable reset threshold

 External capacitor to set NMI/ reset power up

delay and watchdog frequency

 Over temperature protection

 Wide temperature range (TJ = -40 °C to 150 °C)

 Short circuit proof

 Suitable for use in automotive electronics

Description

The L9777 is a monolithic integrated low drop

regulator which can supply up to 200 mA,

available in the PowerSSO-12 package.

It is designed to supply microprocessor systems

under severe conditions of automotive

applications and therefore equipped with

additional protection functions against over load,

short circuit and over temperature.

Of course the L9777 can also be used in other

applications where a regulated voltage is

required.

PowerSSO-12 (exposed DIE Pad)

Table 1. Device summary

Order code

Package

Packing

L9777A

PowerSSO-12

Tray

L9777B

PowerSSO-12

Tray

L9777B13TR

PowerSSO-12

Tape and reel

L9777C

PowerSSO-12

Tray

L9777C13TR

PowerSSO-12

Tape and reel

www.st.com

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