LD2982AM18R datasheet(9/20 Pages) STMICROELECTRONICS

9 / 20 page

LD2982Axx - LD2982Bxx

Electrical characteristics

9/20

Output voltage

VI = 5.0V

3.94

4.06

IO = 1 to 50mA

3.92

4.08

IO = 1 to 50mA, TJ= -40 to 125°C

3.86

4.14

Output voltage

VI = 5.7V

4.629

4.7

4.77

IO = 1 to 50mA

4.606

4.794

IO = 1 to 50mA, TJ= -40 to 125°C

4.535

4.864

Output voltage

VI = 6.0V

4.925

5.075

IO = 1 to 50mA

4.9

5.1

IO = 1 to 100 mA, TJ= -40 to 125°C

4.825

5.175

ISC

Short circuit current

RL = 0

400

ΔVO/ΔVI Line regulation

VI = VO + 1V to 16V, IO = 1 mA

0.003

0.014

%/VI

VI = VO + 1V to 16V, IO = 1 mA,

TJ= -40 to 125°C

0.032

VDROP

Dropout voltage

IO = 0

IO = 0, TJ= -40 to 125°C

IO = 1mA

IO = 1mA, TJ= -40 to 125°C

IO = 10mA

IO = 10mA, TJ= -40 to 125°C

IO = 50mA

120

150

IO = 50mA, TJ= -40 to 125°C

225

Quiescent current

ON MODE

IO = 0

100

µA

IO = 0, TJ= -40 to 125°C

150

IO = 1mA

100

150

IO = 1mA, TJ= -40 to 125°C

200

IO = 10mA

200

300

IO = 10mA, TJ= -40 to 125°C

400

IO = 50mA

600

900

IO = 50mA, TJ= -40 to 125°C

1200

OFF MODE

VINH<0.18V

VINH<0.18V, TJ= -40 to 125°C

SVR

Supply voltage rejection

CBYP = 0.01µF, CO = 10µF, f = 1kHz

VIL

Inhibit input logic low

TJ= -40 to 125°C

0.15

VIH

Inhibit input logic high

TJ= -40 to 125°C

IINH

Inhibit input current

VINH = 0V, TJ= -40 to 125°C

µA

VINH = 5V, TJ= -40 to 125°C

-1

Output noise voltage

B = 300 Hz to 50 kHz, CBYP = 0.01µF,

CO = 10µF

µV

Table 6.

Electrical characteristics for LD2982B (continued) (TJ = 25 °C, VI = VO + 1 V, IO = 1 mA,

VSHDN = 2 V, CI = CO = 1 µF, unless otherwise specified).

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

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