STLQ50M-R datasheet(1/18 Pages) STMICROELECTRONICS

Il numero della parte	STLQ50M-R

Spiegazioni elettronici	50 mA, 3 μA supply current low drop linear regulator

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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1 / 18 page

November 2007

Rev. 4

1/18

18

STLQ50XX

50 mA, 3 µA supply current low drop linear regulator

Features

■ 2.3 V to 12 V input voltage range

■ 50 mA maximum output current

■ 3 µA quiescent current

■ Available in 1.8 V, 2.5 V, 3.3 V, 5.0 V and

adjustable

■ 200 mV dropout voltage at 25 mA output

current

■ Internal thermal protection

■ Available in SOT323-5L package, and SOT23-

5L package (upon request)

Applications

■ Portable/battery powered equipments

■ Electronic sensors

■ Microcontroller power

■ Real time clock backup power

Description

The STLQ50 is a BiCMOS linear regulator

specifically designed for operating in environment

with very low power consumption constraints.

Due to the very low quiescent current (3 µA) the

device is suitable for those application that have

very long stand-by time allowing extension of

battery life.

The P-MOS pass element allows also a very good

drop-out figure (200 mV at 25 mA IO and 350 mV

at full load) without affecting the consumption

characteristics.

Housed in the very small SOT323-5L or SOT23-

5L, it fulfils the space saving requirements in

battery powered equipments.

SOT23-5L

SOT323-5L

(available on request)

Table 1.

Device summary

Part number

Order codes

Output voltage

Packages

SOT323-5L (T&R)

SOT23-5L (T&R) (1)

STLQ50XX18

STLQ50C18R

STLQ50M18R

Fixed VO = 1.8V

STLQ50XX25

STLQ50C25R

STLQ50M25R

Fixed VO = 2.5V

STLQ50XX33

STLQ50C33R

STLQ50M33R

Fixed VO = 3.3V

STLQ50XX50

STLQ50C50R

STLQ50M50R

Fixed VO = 5.0V

STLQ50

STLQ50C-R

STLQ50M-R

Adjustable

1.

Available upon request.

www.st.com

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