STLQ020 datasheet(6/31 Pages) STMICROELECTRONICS

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Electrical characteristics

TJ = 25 °C, VIN = VOUT + 0.5 V or 2 V, whichever is greater; VEN = VIN; CIN = 1 μF; COUT = 1 μF; IOUT = 1 mA.

Table 4. Electrical characteristics (fixed version)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage range

5.5

VOUT

Output voltage accuracy

TJ = 25 °C

-2

-40 °C < TJ < 125 °C

-3

∆VOUT%/

∆VIN

Static line regulation

VOUT + 0.5 V < VIN < 5.5 V (1)

0.005

%/V

-40 °C < TJ < 125 °C

0.05

∆VOUT%/

∆IOUT

Static load regulation

1 mA < IOUT < 0.2 A; TJ = 25 °C

0.0015

%/mA

-40 °C < TJ < 125 °C

0.005

VDROP

Dropout voltage(2)

VOUT = 2.5 V; IOUT = 0.2 A

160

VOUT = 2.5 V; IOUT = 20 mA

Output noise voltage

f = 10 Hz to 100 kHz

135

µVRMS/

VOUT

SVR

Supply voltage rejection

VOUT = 2.5 V; VRIPPLE = 0.2 Vpp

IOUT = 10 mA; f = 100 Hz

VOUT = 2.5 V; VRIPPLE = 0.2 Vpp

IOUT = 10 mA ; f = 1 kHz

VOUT = 2.5 V; VRIPPLE = 0.2 Vpp

IOUT = 10 mA; f = 10 kHz

Quiescent current

IOUT = 0 A

300

IOUT = 0 A; -40 °C < TJ < 125 °C

1000

IOUT = 0.2 A

100

µA

IOUT = 0.2 A; -40 °C < TJ < 125 °C

150

Shutdown current

VEN = 0 V, VIN = VOUT + 0.5 V (3)

0.005

0.05

µA

ISC

Short-circuit current

VOUT = 0 V

380

RLOW (4)

Output discharge resistance

VEN = 0 V

100

VEN

Enable input logic low

-40 °C < TJ < 125 °C

0.4

Enable input logic high

1.2

IEN

Enable pin input current

VEN = VIN; 1.25 < VIN < 6.0 V

TSHDN

Thermal shutdown(5)

IOUT > 1 mA

160

°C

Hysteresis

1. VIN = VOUT + 0.5 V or 2 V, whichever is greater.

2. Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.

3. VIN = VOUT + 0.5 V or 2 V, whichever is greater.

4. On specific version only.

5. The thermal protection is not active when the load current is lower than 1 mA.

STLQ020

Electrical characteristics

DS12072 - Rev 3

page 6/31

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