Linear Regulators (LDO) | L4949

100 mA LDO Linear Voltage Regulator with Reset, Delay Reset and Early Warning

Obsolete

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Overview

The L4949 is a 5.0 V voltage regulator with a very low dropout and additional functions such as power-on reset and input voltage sense.

It is designed for supplying the micro-computer controlled systems especially in automotive applications.

  • Powertrain and Engine Control
  • Body and Chassis

  • Automotive

  • 5.0V / 100mA High Precision Standby Output Voltage +/- 1% at 25C ambient temperature
  • Very Low Dropout Voltage Less Than 0.4V
  • Programmable Reset Pulse Delay With External Capacitor
  • Integrated Voltage Sense Comparator and Power On Reset
  • Integrated Protections:
    - Thermal Shutdown
    - Short Circuit
    Transient Input Voltage Up to 40V
  • AEC-Q100 qualified

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Status

CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

Noise (µVrms)

Enable

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Reference Price

L4949D

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

TUBE

98

N

Single

Positive

5

0.1

-

28

0.3

-

-

-

-

-

Automotive

Price N/A

More Details

L4949DG

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Obsolete

Similar Products
CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Single

Positive

5

0.1

-

28

0.3

-

-

-

-

-

Automotive

Price N/A

More Details

L4949DR2

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

2500

N

Single

Positive

5

0.1

-

28

0.3

-

-

-

-

-

Automotive

Price N/A

More Details

L4949DR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Single

Positive

5

0.1

-

28

0.4

-

-

-

-

-

Automotive

Price N/A

More Details

L4949N

Loading...

Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Single

Positive

5

0.1

-

28

0.3

-

-

-

-

-

Automotive

Price N/A

More Details

L4949NG

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Obsolete

CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Single

Positive

5

0.1

-

28

0.3

-

-

-

-

-

Automotive

Price N/A

More Details

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