5

Electrical characteristics

Unless otherwise specified: TJ = -40 to 125 °C; VIN = 13.2 V, VOUT = 5 V, VEN = 5 V, IOUT = 1 mA;

CIN = COUT = 1 µF; Typical values referred to TA = 25 °C.

Table 4. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input voltage range

(see Section 6.1 Operating input

voltage)

Device On

3.5

38

V

Minimum input voltage for

regulation (1)

VOUT+

VDROP

38

V

VOUT

Operating output voltage range

2.5

11

V

VOUT

Output voltage accuracy

(fixed version)

VOUT + 1 V (2) < VIN < 18 V,

0.1 mA < IOUT < 400 mA,

-40 °C < TJ < 125 °C

-3

3

%

TJ = 25 °C

-1

1

VREF

Reference voltage

(adjustable version) (VOUT - VADJ)

VOUT + 1 V (2) < VIN < 18 V ,

0.1 mA < IOUT < 400 mA,

-40 °C < TJ < 125 °C

1.164

1.2

1.236

V

TJ = 25 °C

1.188

1.212

ΔVOUT/

ΔVIN

Static line regulation

VOUT + 1 V (2) < VIN < 18 V;

IOUT = 1 mA

0.002

0.02

%/V

ΔVOUT/

ΔIOUT

Static load regulation

0.1 mA < IOUT < 400 mA

0.0001

0.002

%/mA

VDROP

Dropout voltage (3)

IOUT = 0.1 A; VOUT = 5 V

36

70

mV

IOUT = 0.4 A; VOUT = 5 V

140

270

eN

Output noise voltage

f = 10 Hz to 100 kHz;

IOUT = 10 mA

20

µVRMS/

VOUT

SVR

Supply voltage rejection

VOUT = 5 V, f = 100 Hz;

IOUT = 10 mA

77

VOUT = 5 V, f = 1 kHz;

IOUT = 10 mA

70

dB

VOUT = 5 V, f = 10 kHz;

IOUT = 10 mA

45

VOUT = 11 V, f = 100 Hz;

IOUT = 10 mA

77

VOUT = 11 V, f = 1 kHz;

IOUT = 10 mA

68

VOUT = 11 V, f = 10 kHz;

IOUT = 10 mA

42

IQ

Quiescent current

IOUT = 0 to 1 mA

45

90

µA

LDO40L

Electrical characteristics

DS12711 - Rev 3

page 6/25