Driver for up to 6 white LEDs for display backlights based on the STLA02

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  • The STEVAL-TLL010V1 demonstration board is based on the STLA02, a boost converter dedicated to powering and controlling the current of white LEDs in an LCD backlight. The device operates at a typical constant switching frequency of 2.3 MHz. It steps an input voltage ranging from 2.5 V to 18 V, up to 27 V. The output current is adjustable by the resistor RFB connected between the VOUTand FB pins. The STLA02 device contains high-side sensing to simplify the PCB layout in terms of LED connection.

    The output current is dimmable by the PWM signal applied to the EN pin with minimum PWM frequency equal 100 Hz.

    主要特性

    • Boost DC-DC converter
    • Drives up to 6 LEDs with a total current up to 20 mA
    • Output power capability up to 500 mW
    • Input voltage range 2.5 V to 18 V
    • Output current control
    • 2.3 MHz switching frequency
    • PWM input for the output current dimming with 300:1 dimming range
    • 350 mA integrated switch
    • Overvoltage protection
    • Chip overtemperature detection and protection
    • Soft-start implemented
    • RoHS compliant

样片和购买

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STEVAL-TLL010V1 STLA02
批量生产
62 1 EAR99 ITALY 查看供货情况

Distributor availability ofSTEVAL-TLL010V1

代理商名称
地区 库存 最小订购量 Third party link
P&S ASIA/PACIFIC 1 1 Order Now

代理商库存报告日期: 2019-10-23

代理商名称

P&S

库存

1

Min.Order

1

地区

ASIA/PACIFIC Order Now

代理商库存报告日期: 2019-10-23

STEVAL-TLL010V1

核心产品

STLA02

供货状态

批量生产

单价(US$)

62.0*

Distributor availability ofSTEVAL-TLL010V1

代理商名称
地区 库存 最小订购量 Third party link
P&S ASIA/PACIFIC 1 1 Order Now

代理商库存报告日期: 2019-10-23

代理商名称

P&S

库存

1

Min.Order

1

地区

ASIA/PACIFIC Order Now

代理商库存报告日期: 2019-10-23

单价(US$)

62

数量

1

ECCN (US)

EAR99

Country of Origin

ITALY

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商

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LED照明和控制

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技术文档

    • 描述 版本 文档大小 操作
      DB1675
      Driver for up to 6 white LEDs for display backlights based on the STLA02
      1.0
      225.4 KB
      PDF
      DB1675

      Driver for up to 6 white LEDs for display backlights based on the STLA02

硬件资源

    • 描述 版本 文档大小 操作
      STEVAL-TLL010V1 gerber files 1.0
      13.24 KB
      ZIP

      STEVAL-TLL010V1 gerber files

    • 描述 版本 文档大小 操作
      STEVAL-TLL010V1 BOM 1.0
      48.09 KB
      PDF

      STEVAL-TLL010V1 BOM

    • 描述 版本 文档大小 操作
      STEVAL-TLL010V1 schematics 1.0
      20.81 KB
      PDF

      STEVAL-TLL010V1 schematics

法律

    • 描述 版本 文档大小 操作
      Evaluation products license agreement 1.6
      74.12 KB
      PDF

      Evaluation products license agreement

产品型号 供货状态 封装 等级规格 符合RoHS级别 WEEE Compliant 材料声明**
STEVAL-TLL010V1
批量生产
CARD 工业 Ecopack2 -

STEVAL-TLL010V1

Package:

CARD

Material Declaration**:

Marketing Status

批量生产

Package

CARD

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.