LD2981

Electrical characteristics

DocID6279 Rev 17

11/27

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

IQ

Quiescent

current

ON MODE

IO = 0

80

100

µA

IO = 0, TJ = -40 to 125 °C

150

IO = 1 mA

100

150

IO = 1 mA, TJ = -40 to 125 °C

200

IO = 25 mA

250

400

IO = 25 mA, TJ = -40 to 125 °C

800

IO = 100 mA

1000

1300

IO = 100 mA, TJ = -40 to 125 °C

2600

OFF MODE

VINH < 0.3 V

0.8

VINH < 0.15 V, TJ = -40 to 125 °C

2

VDROP

Dropout

voltage (1)

IO = 0

1

3

mV

IO = 0, TJ = -40 to 125 °C

5

IO = 1 mA

7

10

IO = 1 mA, TJ = -40 to 125 °C

15

IO = 25 mA

70

100

IO = 25 mA, TJ = -40 to 125 °C

150

IO = 100 mA

180

250

IO = 100 mA, TJ = -40 to 125 °C

375

ISC

Short circuit

current

RL = 0

150

mA

SVR

Supply voltage

rejection

CO = 10 µF, f = 1 KHz

63

dB

VINH

Inhibit input

logic low

LOW = Output OFF,

TJ = -40 to 125 °C

0.18

V

VINL

Inhibit input

logic high

HIGH = Output ON,

TJ = -40 to 125 °C

1.6

V

IINH

Inhibit input

current

VINH = 0 V, TJ = -40 to 125 °C

0

-1

μF

VINH = 5 V, TJ = -40 to 125 °C

5

15

eN

Output noise

voltage

BW = 300 Hz to 50 KHz, CO = 10 µF

160

µVRMS

TSHDN

Thermal

shutdown

170

°C

Notes:

(1) For VO < 2.5 V dropout voltage can be calculated according to the minimum input voltage in full temperature

range.