LD2985AM25R 查看數據表（PDF） - STMicroelectronics

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LD2985AM25R

Very low drop and low noise voltage regulator low ESR capacitors compatible, with inhibit function

STMicroelectronics 

Electrical characteristics

LD2985Axx, LD2985Bxx

Table 5.

Symbol

Electrical characteristics for LD2985A (continued) (TJ = 25 °C, VI = VO + 1 V, IO = 50 mA,

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

Parameter

Test conditions

Min. Typ. Max. Unit

VIH Control input logic high TJ= -40 to 125°C

IINH Control input current

VINH = 5V, TJ= -40 to 125°C

VINH = 0V, TJ= -40 to 125°C

eN

Output noise voltage

B = 300 Hz to 50 kHz, CBYP = 0.01µF,

CO = 10µF

2

V

5

15

µA

0

-1

30

µV

Table 6.

Symbol

Electrical characteristics for LD2985B (TJ = 25 °C, VI = VO + 1 V, IO = 50 mA, VSHDN = 2

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

Parameter

Test conditions

Min. Typ. Max. Unit

VOP Operating input voltage

VI = 2.5V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 2.8V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 3.5V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 3.5V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 3.8V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 3.85V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 4.0V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 4.1V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 4.2V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

VI = 4.3V

VO Output voltage

IO = 1 to 150mA

IO = 1 to 150mA, TJ= -40 to 125°C

2.5

16

V

1.463 1.5 1.537

1.455

1.545 V

1.440

1.560

1.755 1.8 1.845

1.746

1.854 V

1.728

1.872

2.437 2.5 2.562

2.425

2.575 V

2.4

2.6

2.633 2.7 2.767

2.619

2.781 V

2.592

2.808

2.73 2.8 2.87

2.716

2.884 V

2.688

2.912

2.779 2.85 2.921

2.764

2.935 V

2.736

2.964

2.925 3.0 3.075

2.91

3.09 V

2.88

3.12

3.023 3.1 3.177

3.007

3.193 V

2.976

3.224

3.120 3.2 3.28

3.104

3.296 V

3.072

3.328

3.218 3.3 3.382

3.201

3.399 V

3.168

3.432

8/21

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