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  • The device is a high voltage half bridge driver with built in oscillator. The frequency of the oscillator can be programmed using external resistor and capacitor. The internal circuitry of the device allows it to be driven also by external logic signal.

    The output drivers are designed to drive external n-channel power MOSFET and IGBT. The internal logic assures a dead time to avoid cross-conduction of the power devices.
    Two version are available: L6571A and L6571B. They differ in the internal dead time: 1.25µs and 0.72µs (typ.)

    Key Features

    • ESD PROTECTION
    • dV/dt IMMUNITY UP TO ±50V/ns
    • PROGRAMMABLE OSCILLATOR FREQUENCY
    • UNDER VOLTAGE LOCKOUT WITH HYSTERESIS
    • HIGH VOLTAGE RAIL UP TO 600V
    • 15.6V ZENER CLAMP ON VS
    • BCD OFF LINE TECHNOLOGY
    • VERY LOW START UP CURRENT: 150µA
    • DEAD TIME 1.25µs (L6571A) or 0.72µs (L6571B)
    • DRIVER CURRENT CAPABILITY: SINK CURRENT = 270mASOURCE CURRENT = 170mA\t

Circuit Diagram

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Technical Documentation

    • Description Version Size Action
      DS1049
      High voltage half bridge driver with oscillator
      6.2
      226.87 KB
      PDF
      DS1049

      High voltage half bridge driver with oscillator

    • Description Version Size Action
      AN991
      L6569 - L6561 lighting application with PFC
      5.3
      42.36 KB
      PDF
      AN880
      THE L6569: A NEW HIGH VOLTAGE IC DRIVER FOR ELECTRONIC LAMP BALLAST
      6.2
      186.99 KB
      PDF
      AN2018
      VIPower: 18 - 23W electronic ballast for removable tubes
      1.1
      139.32 KB
      PDF
      AN1902
      VIPower: HF converter based on VK06TL devices to drive 58W TL tubes
      1.1
      1.34 MB
      PDF
      AN991

      L6569 - L6561 lighting application with PFC

      AN880

      THE L6569: A NEW HIGH VOLTAGE IC DRIVER FOR ELECTRONIC LAMP BALLAST

      AN2018

      VIPower: 18 - 23W electronic ballast for removable tubes

      AN1902

      VIPower: HF converter based on VK06TL devices to drive 58W TL tubes

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6571AD
NRND
SO-8 Industrial Ecopack2
L6571AD013TR
NRND
SO-8 Industrial Ecopack2
L6571BD
Active
SO-8 Industrial Ecopack2
L6571BD013TR
Active
SO-8 Industrial Ecopack2

L6571AD

Package:

SO-8

Material Declaration**:

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6571AD013TR

Package:

SO-8

Material Declaration**:

Marketing Status

NRND

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6571BD

Package:

SO-8

Material Declaration**:

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6571BD013TR

Package:

SO-8

Material Declaration**:

Marketing Status

Active

Package

SO-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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Package
Packing Type
Marketing Status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
L6571BD Available at 2 distributors

Distributor availability ofL6571BD

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1990 1 Order Now
Farnell Element14 EUROPE 1927 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

DIGIKEY

Stock

1990

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1927

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-10

SO-8 Tube
Active
EAR99 CHINA 0.7824 / 1k
L6571BD013TR Available at 2 distributors

Distributor availability ofL6571BD013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2 1 Order Now
MOUSER WORLDWIDE 2498 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

DIGIKEY

Stock

2

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2498

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-10

Buy now SO-8 Tape And Reel
Active
EAR99 CHINA 0.7824 / 1k
L6571AD013TR Available at 2 distributors

Distributor availability ofL6571AD013TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1324 1 Order Now
Farnell Element14 EUROPE 2372 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

MOUSER

Stock

1324

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2372

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-10

Buy now SO-8 Tape And Reel
NRND
EAR99 CHINA 0.8472 / 1k
L6571AD No availability of distributors reported, please contact our sales office SO-8 Tube
NRND
EAR99 CHINA 0.8472 / 1k

L6571BD

Package

SO-8

Packing Type

Tube

Budgetary Price (US$)*/Qty

0.7824 / 1k

Distributor availability ofL6571BD

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1990 1 Order Now
Farnell Element14 EUROPE 1927 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

DIGIKEY

Stock

1990

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1927

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-10

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.7824 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

L6571BD013TR

Package

SO-8

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.7824 / 1k

Distributor availability ofL6571BD013TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2 1 Order Now
MOUSER WORLDWIDE 2498 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

DIGIKEY

Stock

2

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2498

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-10

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.7824 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

L6571AD013TR

Package

SO-8

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.8472 / 1k

Distributor availability ofL6571AD013TR

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 1324 1 Order Now
Farnell Element14 EUROPE 2372 1 Order Now

Distributor reported inventory date: 2020-07-10

Distributor Name

MOUSER

Stock

1324

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2372

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-10

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.8472 / 1k

ECCN (US)

EAR99

Country of Origin

CHINA

L6571AD

Package

SO-8

Packing Type

Tube

Budgetary Price (US$)*/Qty

0.8472 / 1k

Marketing Status

NRND

Budgetary Price (US$)* / Qty

0.8472 / 1k

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