LD2981 查看數據表（PDF） - STMicroelectronics

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LD2981

ULTRA LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE

STMicroelectronics 

LD2981 SERIES

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VI

DC Input Voltage

-0.3 to 16

V

VINH INHIBIT Input Voltage

-0.3 to 16

V

IO

Output Current

Internally limited

PD

Power Dissipation

Internally limited

TSTG Storage Temperature Range

-55 to 150

°C

TOP Operating Junction Temperature Range

-40 to 125

°C

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is

not implied.

THERMAL DATA

Symbol

Parameter

Rthj-case Thermal Resistance Junction-case

Rthj-amb Thermal Resistance Junction-ambient

SOT23-5L

81

255

SOT-89

15

110

Unit

°C/W

°C/W

CONNECTION DIAGRAM (top view)

SOT23-5L

SOT-89

PIN DESCRIPTION

Pin N°

SOT23-5L

1

2

3

Pin N°

SOT-89

3

2

4

5

1

Symbol

VIN

GND

INHIBIT

NC

VOUT

Name and Function

Input Port

Ground Pin

Control switch ON/OFF. Inhibit is not internally pulled-up; it cannot be

left floating. Disable the device when connected to GND or to a

positive voltage less than 0.18V

Not Connected

Output Port

2/17

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