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  • This evaluation board is based on the STLD40D that is a boost converter that operates from 3.0 V to 5.5 V and can provide an output voltage as 37 V and can drive up to 10 white LEDs in series. The converter is a PFM (pulse frequency modulation) inductor switches and can work in discontinuous (DCM) mode operation. A minimum OFF time of the embedded boost switch TSW is fixed internally and allows limiting the switching frequency. The output current capability is 20 mA with an output voltage of 37 V. The regulation is done by sensing the led current through the resistor RLED. The device can be turned ON/OFF through the logic enable signal pin EN. Applying a low frequency PWM signal the LEDs can be dimmed. The maximum peak inductor current can be programmed.

    主要特性

    • Low shutdown current <1 μA
    • Enable pin with possibility of PWM dimming control
    • Inductor switches boost controller
    • High efficiency over wide range of input voltage from 3.0 V to 5.5 V
    • PFM mode control
    • Adjustable peak current limit
    • Over-voltage protection with automatic restart

样片和购买

产品型号
核心产品
供货状态
预算价格(US$)
数量
ECCN (US)
Country of Origin
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从ST订购
STEVAL-TLL001V1 STPS1L40M
NRND
38 1 EAR99 - 查看供货情况

Distributor availability ofSTEVAL-TLL001V1

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: 2019-09-12

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: 2019-09-12

STEVAL-TLL001V1

核心产品

STPS1L40M

供货状态

NRND

Unit Price (US$)

38.0*

Distributor availability ofSTEVAL-TLL001V1

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: 2019-09-12

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: 2019-09-12

Unit Price (US$)

38

数量

1

ECCN (US)

EAR99

Country of Origin

-

(*) 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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相关应用

LED照明和控制

00 选择要下载的文档

技术文档

    • 描述 版本 文档大小 操作
      DB0707
      White LED controller evaluation board based on the STLD40D
      1.2
      60.58 KB
      PDF
      DB0707

      White LED controller evaluation board based on the STLD40D

硬件资源

    • 描述 版本 文档大小 操作
      STEVAL-TLL001V1 gerber files 1.0
      154.46 KB
      ZIP

      STEVAL-TLL001V1 gerber files

    • 描述 版本 文档大小 操作
      STEVAL-TLL001V1 BOM 2.1
      6.55 KB
      PDF

      STEVAL-TLL001V1 BOM

    • 描述 版本 文档大小 操作
      Board schematic 1.0
      12.6 KB
      PDF

      Board schematic

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-TLL001V1
NRND
CARD 工业 Ecopack2 -

STEVAL-TLL001V1

Package:

CARD

Material Declaration**:

Marketing Status

NRND

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.