STLQ50XX datasheet(6/18 Pages) STMICROELECTRONICS

номер детали	STLQ50XX

подробное описание детали	50 mA, 3 關A supply current low drop linear regulator

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Electrical characteristics

STLQ50XX

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4

Electrical characteristics

Table 5.

Electrical characteristics

(VI = VO(NOM) +1 V or VI = 2.5 V if VO + 1.5 V; TA= -40 °C to 125 °C; IO = 1 mA; typical values

are at TA = 25 °C, CO = 1 µF unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VI

Input voltage range

IO=20mA

2.3

12

V

IO=50mA

2.5

12

IQ

Quiescent current (Measured on

ground pin, fixed version)

VI=5V

3.5

5.0

µA

VI=12V

4.1

6.0

VO

Output voltage range (STLQ50ADJ)

1.222

11

V

Accuracy as percentage of nominal

voltage at TJ=25°C

-2

+2

%

VDROP-MAX Max dropout voltage

(1)

1.

VI=2.5V when VO(NOM) ≤2.1V

IO=50mA;

0.4

0.7

V

ΔV

O

Load regulation

1mA < IO <50mA

0.15

%/mA

ΔV

O

Line regulation

VO=1.5V:

VO+1V < VI <12V;

VO=1.5V:

2.5V < VI <12V;

0.3

%/V

SVR

Supply voltage rejection

VRIPPLE = 0.1V, IO= 20mA

f=120Hz

30

dB

eN

Output noise voltage

BW from 200Hz to

100KHZ; IO=10mA

560

µVRMS

Th

Thermal protection

160

°C

IOMAX

Maximum output current (2)

2.

The maximum power dissipation must not be exceeded, see application information for details.

VO=0V

500

mA

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