LD2979 データシートの表示（PDF） - STMicroelectronics

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LD2979

Very low drop voltage regulators with inhibit

STMicroelectronics 

Electrical characteristics

4

Electrical characteristics

LD2979

(Refer to the test circuits, Ta = 25 °C, VIN = VO(NOM) + 1 V, IO = 1 mA, VINH = 2 V, CO = 1 µF,

unless otherwise specified).

Symbol

Parameter

Table 4. Electrical characteristics

Test conditions

VO Output voltage

VO Output voltage

IO Output current limit

ΔVO Line regulation

Quiescent current (On

Mode)

Id

Quiescent current (Off

Mode)

SVR Supply voltage rejection

Vd Dropout voltage

VIL Inhibit input logic low

VIH Inhibit input logic high

II Inhibit input current

eN

Output noise voltage

(RMS)

VIN = 4 V

IO = 1 to 50mA, Ta= -25 to 125°C

VIN = 4.3 V

IO = 1 to 50mA, Ta= -25 to 125°C

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

Ta= -25 to 125°C

IO = 0

IO = 0, Ta= -25 to 125°C

IO = 50mA

IO = 50mA, Ta= -25 to 125°C

VINH < 0.18 V

VINH < 0.18 V, Ta= -25 to 125°C

IO = 50mA, COUT = 10μF, f = 120Hz

IO = 0

IO = 0, Ta= -25 to 125°C

IO = 1mA

IO = 1mA, Ta= -25 to 125°C

IO = 10mA

IO = 10mA, Ta= -25 to 125°C

IO = 50mA

IO = 50mA, Ta= -25 to 125°C

Device Off, Ta= -25 to 125°C

Device On, Ta= -25 to 125°C

VINH = 0 V

VINH = 5V, Ta= -25 to 125°C

BW= 300Hz to 50kHz, CO = 10µF

Min.

2.940

2.880

3.234

3.168

100

2

Typ.

3

3.3

80

500

0

63

6

30

100

200

0

5

Max. Unit

3.060

V

3.120

3.366

V

3.432

mA

0.028

%/VIN

0.064

110

170

µA

700

1300

µA

1

dB

12

18

60

90

mV

200

300

400

600

0.18 V

V

-1

µA

15

160

µV

6/15

DocID5721 Rev 15

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