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  • The L4949ED-E and L4949EP-E are monolithic

    integrated 5V voltage regulators with a very low
    dropout output and additional functions as power- on reset and input voltage sense. They are
    designed for supplying the microcomputer
    controlled systems especially in automotive applications.

    Key Features

    • AEC-Q100 qualified
    • ECOPACK®: lead free and RoHS compliant
    • Operating DC supply voltage range 5 V - 28 V
    • Transient supply voltage up to 40 V
    • Extremely low quiescent current in standby
    • High precision standby output voltage 5V±1%
    • Output current capability up to 100 mA
    • Very low dropout voltage less than 0.5 V
    • Reset circuit sensing the output voltage
    • Programmable reset pulse delay with external capacitor
    • Voltage sense comparator
    • Thermal shutdown and short circuit protections

Circuit Diagram

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STMicroelectronics - L4949ED-E

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L4949ED-E
Preview
SO-8 Automotive Ecopack2
L4949EDTR-E
Active
SO-8 Automotive Ecopack2

L4949ED-E

Package:

SO-8

Material Declaration**:

Marketing Status

Preview

Package

SO-8

Grade

Automotive

RoHS Compliance Grade

Ecopack2

L4949EDTR-E

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L4949EDTR-E Available at 8 distributors

Distributor availability ofL4949EDTR-E

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 410 1 Order Now
RS COMPONENTS EUROPE 1770 10 Order Now
AVNET AMERICA 27500 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 67500 0 Order Now
Newark Element14 AMERICA 232 0 Order Now
MOUSER WORLDWIDE 1472 1 Order Now
Farnell Element14 EUROPE 2499 1 Order Now

Distributor reported inventory date: 2020-11-24

Distributor Name

DIGIKEY

Stock

410

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1770

Min.Order

10

Region

EUROPE Order Now

AVNET

Stock

27500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

67500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

232

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1472

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2499

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-24

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 - - CHINA 0.2935 / 1k
L4949ED-E No availability of distributors reported, please contact our sales office
Preview
EAR99 NEC Tube SO-8 - - CHINA

L4949EDTR-E

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.2935 / 1k

Distributor availability ofL4949EDTR-E

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 410 1 Order Now
RS COMPONENTS EUROPE 1770 10 Order Now
AVNET AMERICA 27500 0 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW EUROPE 67500 0 Order Now
Newark Element14 AMERICA 232 0 Order Now
MOUSER WORLDWIDE 1472 1 Order Now
Farnell Element14 EUROPE 2499 1 Order Now

Distributor reported inventory date: 2020-11-24

Distributor Name

DIGIKEY

Stock

410

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1770

Min.Order

10

Region

EUROPE Order Now

AVNET

Stock

27500

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

67500

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

232

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

1472

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2499

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-24

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

0.2935 / 1k

Country of Origin

CHINA

L4949ED-E

Marketing Status

Preview

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-8

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

Country of Origin

CHINA

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors