Product overview
Description
The L4938ED and L4938EPD are monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems especially in automotive applications.
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All features
- Output 2 voltage 5 V ± 2% with 400 mA current capability (ADJ wired to VOUT2)
- High precision standby output voltage 5 V ± 1% with 100 mA current capability
- Output 2 disable function for standby mode
- Enable and sense inputs (EN, SI) protected against negative transients down to -5 V
- Extremely low quiescent current, 65 μA (less than 90 μA) in standby mode
- Reset threshold adjustable from 3.8 V to 4.7 V
- Operating transient supply voltage up to 40 V
- Output 2 voltage adjustable by external voltage divider
- Operating DC supply voltage range 5 V - 28 V
Circuit Diagram
EDA Symbols, Footprints and 3D Models
Quality and Reliability
Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
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L4938EPD13TR | Active | PowerSO-20 | Automotive | Ecopack2 |
L4938EPD13TR
Package:
PowerSO-20Material Declaration**:
(**) 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 | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
L4938EPD13TR | | | distributors No availability of distributors reported, please contact our sales office |
L4938EPD13TR Active
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors