LD2981 datasheet(9/27 Pages) STMICROELECTRONICS

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LD2981

Electrical characteristics

DocID6279 Rev 17

9/27

Electrical characteristics

(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 4: Electrical characteristics for LD2981AB

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VOP

Operating input

voltage

2.5

Output voltage

IO = 1 mA

2.977

3.023

IO = 1 to 100 mA

2.97

3.03

IO = 1 to 100 mA, TJ = -40 to 125 °C

2.925

3.075

Output voltage

IO = 1 mA

3.275

3.3

3.325

IO = 1 to 100 mA

3.267

3.333

IO = 1 to 100 mA, TJ = -40 to 125 °C

3.217

3.383

Output voltage

IO = 1 mA

4.962

5.038

IO = 1 to 100 mA

4.95

5.05

IO = 1 to 100 mA, TJ = -40 to 125 °C

4.875

5.125

ΔVO

Line regulation

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

0.003

0.014

%/V

TJ = -40 to 125 °C

0.032

Quiescent

current ON

MODE

IO = 0

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

VDROP

Dropout

voltage (1)

IO = 0

IO = 0, TJ = -40 to 125 °C

IO = 1 mA

IO = 1 mA, TJ = -40 to 125 °C

IO = 25 mA

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

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