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  • The LED7706 consists of a high efficiency monolithic boost converter and six controlled current generators (rows) specifically designed to supply LEDs arrays used in the backlighting of LCD panels. The device can manage an output voltage up to 36 V (i.e. 10 white LEDs per row).

    The generators can be externally programmed to sink up to 30 mA and can be dimmed via a PWM signal (1 % dimming duty-cycle at 20 kHz can be managed). The device allows to detect and manage the open and shorted LED faults and to let unused rows floating. Basic protections (output over-voltage, internal MOSFET over-current and thermal shutdown) are provided.

    Key Features

    • Boost section4.5 V to 36 V input voltage rangeInternal power MOSFETInternal +5 V LDO for device supplyUp to 36 V output voltageConstant frequency peak current-mode control250 kHz to 1 MHz adjustable switching frequencyExternal synchronization for multi-device applicationPulse-skip power saving mode at light loadProgrammable soft-startProgrammable OVP protectionStable with ceramic output capacitorsThermal shutdown
    • Backlight driver sectionSix rows with 30 mA maximum current capability (adjustable)Rows disable optionLess than 500 ns minimum dimming ontime (1 % minimum dimming duty-cycle at 20 kHz)±2 % current matching between rowsLED failure (open and short-circuit) detection

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Related Applications

Lighting and Controls

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    • Part number
      Status
      Description
      Type
      Supplier

      STEVAL-ILL020V1

      Active

      LCD panels backlight demonstration board based on the LED7706

      LED and General Lighting Solution Eval Boards --
      STEVAL-ILL020V1

      Description:

      LCD panels backlight demonstration board based on the LED7706

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STMicroelectronics - LED7706

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
LED7706TR
Active
QFN-24L Industrial Ecopack2

LED7706TR

Package:

QFN-24L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

QFN-24L

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
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
LED7706TR Available at 3 distributors

Distributor availability ofLED7706TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3137 1 Order Now
MOUSER WORLDWIDE 3319 1 Order Now
Farnell Element14 EUROPE 2324 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

3137

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

3319

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2324

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

Free Sample Buy Direct
Active
EAR99 NEC Tape And Reel QFN-24L - - PHILIPPINES 1.023 / 1k

LED7706TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.023 / 1k

Distributor availability ofLED7706TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3137 1 Order Now
MOUSER WORLDWIDE 3319 1 Order Now
Farnell Element14 EUROPE 2324 1 Order Now

Distributor reported inventory date: 2020-11-30

Distributor Name

DIGIKEY

Stock

3137

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

3319

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2324

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-11-30

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

QFN-24L

Operating Temperature (°C)

(min)

-

(max)

-

Budgetary Price (US$)* / Qty

1.023 / 1k

Country of Origin

PHILIPPINES

(*) 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