Electrical characteristics

LD2981

10/27

DocID6279 Rev 17

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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

µA

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.

(TJ = 25 °C, VI = VO(NOM) +1 V, CI

= 1 μF, CO = 2.2 μF, IO = 1 mA, VINH = 2 V, unless

otherwise specified)

Table 5: Electrical characteristics for LD2981C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VOP

Operating input

voltage

2.5

16

V

VO

Output voltage

IO = 1 mA

2.468

2.5

2.531

V

IO = 1 to 100 mA

2.45

2.55

IO = 1 to 100 mA, TJ = -40 to 125 °C

2.412

2.587

VO

Output voltage

IO = 1 mA

2.962

3

3.037

V

IO = 1 to 100 mA

2.94

3.06

IO = 1 to 100 mA, TJ = -40 to 125 °C

2.895

3.105

VO

Output voltage

IO = 1 mA

3.258

3.3

3.341

V

IO = 1 to 100 mA

3.234

3.366

IO = 1 to 100 mA, TJ = -40 to 125 °C

3.184

3.415

VO

Output voltage

IO = 1 mA

4.937

5

5.062

V

IO = 1 to 100 mA

4.9

5.1

IO = 1 to 100 mA, TJ = -40 to 125 °C

4.825

5.175

ΔVO

Line regulation

VO(NOM) + 1 < VIN < 16 V, IO = 1 mA

0.003

0.014

%/V

TJ = -40 to 125 °C

0.032