L4949ED-E Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Lista de partido

L4949ED-E

Multifunction very low drop voltage regulator

STMicroelectronics 

L4949ED-E, L4949EP-E

2

Electrical specifications

2.1

Absolute maximum ratings

Table 3.

Symbol

Absolute maximum ratings(1)

Parameter

VSDC DC operating supply voltage

VSTR Transient supply voltage (T < 1s)

IO

Output current

VO Output voltage

VRES, VSO Output voltage

IRES, ISO Output current

VCT

Reset delay voltage

VSIDC Sense input voltage

VZ

Preregulator output voltage

IZ

Preregulator output current

TJ

Junction temperature

Tstg Storage temperature range

1. The circuit is ESD protected according to MIL-STD-883C.

2.2

Thermal data

Table 4. Thermal data

Symbol

Description

Rth j-amb

Rth j-pins

TJSD

Thermal Resistance Junction-ambient (max)

Thermal Resistance Junction-pins (max)

Thermal Shutdown Junction temperature

Electrical specifications

Value

Unit

28

V

40

V

Internally limited

20

V

20

V

5

mA

7

V

28

V

7

V

5

mA

-40 to +150

°C

-55 to +150

°C

SO-8

SO20L

200

50

15

165

Unit

°C/W

°C/W

°C

Doc ID 16823 Rev 1

7/19

Share Link: