L4963

Active
Design Win

1.5 A SWITCHING REGULATOR

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Product overview

Description

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.
  • All 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

Circuit Diagram

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
NRND
SO-20 Industrial Ecopack1 (*)
L4963D013TR
Active
SO-20 Industrial Ecopack1 (*)
L4963W
NRND
PDIP 18 Industrial Ecopack1

L4963D

Package:

SO-20

Material Declaration**:

PDF XML

Marketing Status

NRND

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1 (*)

L4963D013TR

Package:

SO-20

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-20

Grade

Industrial

RoHS Compliance Grade

Ecopack1 (*)

L4963W

Package:

PDIP 18

Material Declaration**:

Marketing Status

NRND

Package

PDIP 18

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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

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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 Available at 1 distributors

Distributor availability ofL4963D

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 93 1 Buy from Distributor

Distributor reported inventory date: 2022-08-01

Distributor Name

RS COMPONENTS

Stock

93

Min.Order

1

Distributor reported inventory date: 2022-08-01

NRND
EAR99 NEC Tube SO-20 - - -
L4963D013TR Available at 1 distributors

Distributor availability ofL4963D013TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1023 1 Buy from Distributor

Distributor reported inventory date: 2022-08-05

Distributor Name

MOUSER

Stock

1023

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Distributor reported inventory date: 2022-08-05

Active
EAR99 NEC Tape and Reel SO-20 - - MALAYSIA
L4963W No availability of distributors reported, please contact our sales office
NRND
EAR99 NEC Tube PDIP 18 - - MALAYSIA

L4963D NRND

Package:
SO-20
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L4963D

ECCN (EU):

NEC

Packing Type:

Tube

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

-

Distributor availability ofL4963D

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 93 1 Buy from Distributor

Distributor reported inventory date: 2022-08-01

Distributor Name

RS COMPONENTS

Stock

93

Min.Order

1

Distributor reported inventory date: 2022-08-01

L4963D013TR Active

Package:
SO-20
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L4963D013TR

ECCN (EU):

NEC

Packing Type:

Tape and Reel

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

MALAYSIA

Distributor availability ofL4963D013TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1023 1 Buy from Distributor

Distributor reported inventory date: 2022-08-05

Distributor Name

MOUSER

Stock

1023

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Distributor reported inventory date: 2022-08-05

L4963W NRND

Package:
PDIP 18
ECCN (US):
EAR99
Budgetary Price (US$)*/Qty:
-

Part Number:

L4963W

ECCN (EU):

NEC

Packing Type:

Tube

Operating Temperature (°C)

Min:

-

Max:

-

Country of Origin:

MALAYSIA

No availability of distributors reported, please contact our sales office
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(*) 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