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The L4963 is a monolithic power switching regulator delivering 1.5A at 5.1V. The output voltage is adjustable from 5.1V to 36V, working in discontinuous variable frequency mode. Features of the device include remote inhibit, internal current limiting and thermal protection, reset and power fail outputs for microprocessor.
The L4963 is mounted in a 12+3+3 lead Powerdip (L4963) and SO20 large (L4963D) plastic packages and requires very few external components.
Key Features
- NO FREQ. COMPENSATION REQUIRED
- VERY FEW EXTERNAL COMPONENTS
- THERMAL SHUTDOWN
- 1.5A OUTPUT LOAD CURRENT
- DISCONTINUOUS VARIABLE FREQUENCY MODE
- 5.1 TO 36V OUTPUT VOLTAGE RANGE
- VERY HIGH EFFICIENCY
- RESET AND POWER FAIL OUTPUT FOR MICROPROCESSOR
- PRECISE (+/–2%) ON CHIP REFERENCE
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Product Specifications (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 30 Sep 2020 |
30 Sep 2020
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Application Notes (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 13 Sep 2018 |
13 Sep 2018
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Technical Notes & Articles (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 29 Oct 2015 |
29 Oct 2015
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Brochures (1)
| Resource title | Latest update | |||
|---|---|---|---|---|
| 23 Mar 2020 |
23 Mar 2020
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - L4963
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3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| L4963D |
Active
|
SO-20 | Industrial | Ecopack1 (*) |
|
| L4963D013TR |
Active
|
SO-20 | Industrial | Ecopack1 (*) |
|
| L4963W |
NRND
|
PDIP 18 | Industrial | Ecopack1 |
|
L4963D
Package:
SO-20Material Declaration**:
L4963D013TR
Package:
SO-20Material Declaration**:
L4963W
Package:
PDIP 18Material 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 | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| L4963D | 2 distributors |
Active
|
EAR99 | NEC | Tube | SO-20 | - | - | MALAYSIA | 1.744 / 1k | ||
| L4963D013TR | 1 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | SO-20 | - | - | MALAYSIA | 1.744 / 1k | |
| L4963W | 2 distributors |
NRND
|
EAR99 | NEC | Tube | PDIP 18 | - | - | MALAYSIA | 1.861 / 1k | ||
Marketing Status
ActiveECCN (US)
EAR99Budgetary Price (US$)*/Qty
1.744 / 1kMarketing Status
NRNDECCN (US)
EAR99Budgetary Price (US$)*/Qty
1.861 / 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
