L5050STR datasheet(1/20 Pages) STMICROELECTRONICS

Part #	L5050STR

Description	5 V low drop linear voltage regulator for automotive application

PDF	20 Pages

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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.

April 2019

DS12548 Rev 3

1/20

L5050S

5 V low drop linear voltage regulator for automotive application

Datasheet

- production data

Features

 AEC-Q100 qualified

 Operating DC supply voltage range 5.6 V to 

40 V

 Low dropout voltage

 Low quiescent current consumption

 Precision output voltage 5 V ±2%

 Enable input for enabling/disabling the voltage

regulator

 Thermal shutdown and short circuit protection

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

Description

The L5050S is a 5 V low dropout linear voltage

regulator suitable for automotive applications,

available in a SO-8 package. The LDO delivers

up to 50 mA of load current, and consumes as low

as 5 µA of quiescent current with device disabled.

High output voltage accuracy (±2%) is kept over

wide temperature range, line and load variation.

Enable feature allows output enabling or

disabling. The maximum input voltage is 40 V.

The regulator output current is internally limited

and the device is protected against short circuit,

overload and over temperature conditions. In

addition, only low value ceramic capacitor on

output is required for stability.

L5050S

Max DC supply voltage

VS

40 V

Max output voltage tolerance

∆V

o

+/-2%

Max dropout voltage

Vdp

500 mV

Output current

Io

50 mA

Quiescent current

Iqn

5 µA (1)

1. Typical value valid with En=LOW.

Table 1. Device summary

Package

Order codes

Tape & reel

SO-8

L5050STR

www.st.com

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