MC34063AC

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DC-DC CONVERTER CONTROL CIRCUITS

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  • The MC34063A/E series is a monolithic control circuit which delivers the main functions for DC-DC voltage converting.

    The device contains an internal temperature compensated reference, comparator, duty cycle controlled oscillator with an active current limit circuit, driver and high current output switch. Output voltage is adjustable through two external resistors with a 2% reference accuracy.
    Employing a minimum number of external components, the MC34063A/E device series is designed for step-down, step-up and voltage-inverting applications.

    Key Features

    • Output switch current in excess of 1.5 A
    • 2 % reference accuracy
    • Low quiescent current: 2.5 mA (typ.)
    • Operating from 3 V to 40 V
    • Frequency operation to 100 kHz
    • Active current limiting

Circuit Diagram

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MC34063ACD-TR
Active
SO-8 Tape And Reel 0 70 EAR99 CHINA 0.219 / 1k Buy now Check Availability

Distributor availability ofMC34063ACD-TR

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Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 11592 1 Order Now
COMPEL EUROPE 17966 1 Order Now
RS COMPONENTS EUROPE 5006 5 Order Now
AVNET AMERICA 5000 0 Order Now
FUTURE WORLDWIDE 7500 2500 Order Now
ARROW EUROPE 15000 0 Order Now
Newark Element14 AMERICA 43 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 15149 1 Order Now
Farnell Element14 EUROPE 8912 1 Order Now

Distributor reported inventory date: 2020-06-04

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DIGIKEY

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11592

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1

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17966

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5006

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5

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AVNET

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5000

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0

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AMERICA Order Now

FUTURE

Stock

7500

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2500

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15000

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Newark Element14

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43

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0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

15149

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

8912

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-04

MC34063ACN
Active
DIP-8 Tube 0 70 EAR99 CHINA 0.326 / 1k Buy now Check Availability

Distributor availability ofMC34063ACN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2748 1 Order Now
RS COMPONENTS EUROPE 1726 1 Order Now
FUTURE WORLDWIDE 3575 1 Order Now
ARROW EUROPE 7898 0 Order Now
MOUSER WORLDWIDE 2232 1 Order Now
ANGLIA Live EUROPE 6580 1 Order Now

Distributor reported inventory date: 2020-06-04

Distributor Name

DIGIKEY

Stock

2748

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1726

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

3575

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

7898

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2232

Min.Order

1

Region

WORLDWIDE Order Now

ANGLIA Live

Stock

6580

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-04

MC34063ACD-TR

Marketing Status

Active

Unit Price (US$)

0.219

Budgetary Price (US$)*/Qty

0.219 / 1k

Distributor availability ofMC34063ACD-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 11592 1 Order Now
COMPEL EUROPE 17966 1 Order Now
RS COMPONENTS EUROPE 5006 5 Order Now
AVNET AMERICA 5000 0 Order Now
FUTURE WORLDWIDE 7500 2500 Order Now
ARROW EUROPE 15000 0 Order Now
Newark Element14 AMERICA 43 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 15149 1 Order Now
Farnell Element14 EUROPE 8912 1 Order Now

Distributor reported inventory date: 2020-06-04

Distributor Name

DIGIKEY

Stock

11592

Min.Order

1

Region

WORLDWIDE Order Now

COMPEL

Stock

17966

Min.Order

1

Region

EUROPE Order Now

RS COMPONENTS

Stock

5006

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

5000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

7500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

15000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

43

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

15149

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

8912

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-04

Package

SO-8

Packing Type

Tape And Reel

Operating Temperature (°C)

(min)

0

(max)

70

ECCN (US)

EAR99

Country of Origin

CHINA

MC34063ACN

Marketing Status

Active

Unit Price (US$)

0.326

Budgetary Price (US$)*/Qty

0.326 / 1k

Distributor availability ofMC34063ACN

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2748 1 Order Now
RS COMPONENTS EUROPE 1726 1 Order Now
FUTURE WORLDWIDE 3575 1 Order Now
ARROW EUROPE 7898 0 Order Now
MOUSER WORLDWIDE 2232 1 Order Now
ANGLIA Live EUROPE 6580 1 Order Now

Distributor reported inventory date: 2020-06-04

Distributor Name

DIGIKEY

Stock

2748

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1726

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

3575

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

7898

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

2232

Min.Order

1

Region

WORLDWIDE Order Now

ANGLIA Live

Stock

6580

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-04

Package

DIP-8

Packing Type

Tube

Operating Temperature (°C)

(min)

0

(max)

70

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 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

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS1157
      DC-DC converter control circuits
      12.0
      941.9 KB
      PDF
      DS1157

      DC-DC converter control circuits

    • Description Version Size Action
      TN1224
      Mounting instructions for SMD (surface mounting device) packages
      2.2
      1.06 MB
      PDF
      TN1224

      Mounting instructions for SMD (surface mounting device) packages

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
MC34063ACD-TR
Active
SO-8 Industrial Ecopack2 (**)
MC34063ACN
Active
DIP-8 Industrial Ecopack2

MC34063ACD-TR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2 (**)

MC34063ACN

Package:

DIP-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

DIP-8

Grade

Industrial

RoHS Compliance Grade

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.