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The L4941 is a three terminal 5V positive regulators available in TO-220 and DPAK packages, making it useful in a wide range of industrial and consumer applications. Thanks to its very low input/output voltage drop, these devices are particularly suitable for battery powered equipments, reducing consumption and prolonging battery life. It employs internal current limiting, antisaturation circuit, thermal shut-down and safe area protection.
Key Features
- Low dropout voltage (450mV typ. at 1A)
- Thermal shutdown
- Very low quiescent current
- Reverse polarity protection
- Short circuit protection
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Product Specifications (1)
| Resource title | Latest update | |||
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| 01 Oct 2020 |
01 Oct 2020
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Application Notes (1)
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| 18 Oct 2019 |
18 Oct 2019
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Selection Guides (1)
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| 25 Mar 2020 |
25 Mar 2020
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Brochures (2)
| Resource title | Latest update | |||
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| 15 Feb 2019 |
15 Feb 2019
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| 26 Feb 2020 |
26 Feb 2020
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CAD/EDA Symbols, Footprints and Models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L4941BDT-TR |
Active
|
DPAK | Industrial | Ecopack2 | |
| L4941BV |
Active
|
TO-220 | Industrial | 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) | Output Voltage (V) (nom) | Output Tolerance (typ) | Output Current (A) (nom) | Country of Origin | Budgetary Price (US$)*/Qty | More info | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||||||
| L4941BV | 9 distributors | Buy now |
Active
|
EAR99 | NEC | Tube | TO-220 | -40 | 150 | 5 | 4 | 1 | CHINA | 0.406 / 1k | ||
| L4941BDT-TR | 8 distributors | Buy now |
Active
|
EAR99 | NEC | Tape And Reel | DPAK | -40 | 150 | 5 | 4 | 1 | CHINA | 0.568 / 1k | ||
(*) 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
