Product overview
Description
The L4949ED-E and L4949EP-E are monolithic integrated 5V voltage regulators with a very lowdropout 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.
-
All 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
All resources
| Resource title | Latest update |
|---|
Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 26 Sep 2018 | 26 Sep 2018 |
Selection Guides (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 02 Mar 2021 | 02 Mar 2021 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - L4949ED-E
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Symbols
Footprints
3D models
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 |
(**) 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$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| L4949EDTR-E | 2 distributors | Active | EAR99 | NEC | Tape And Reel | SO-8 | - | - | CHINA | 0.2935 / 1k | ||
| L4949ED-E | No availability of distributors reported, please contact our sales office | Preview | EAR99 | NEC | Tube | SO-8 | - | - | CHINA | |||
Marketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
0.2935 / 1kMarketing Status
PreviewECCN (US)
EAR99Budgetary Price (US$)*/Qty
(*) 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
