STLD40D

批量生产

大尺寸显示器背光的白色Led电源

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样片和购买
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产品概述

描述

STLD40D is a boost converter that operates from 3.0 V to 5.5 V. It can provide an output voltage as high as 37 V and can drive up to 10 white LEDs in series. The converter is a PFM (pulse frequency modulation) inductor switch that can work in discontinuous (DCM) mode operation. A minimum OFF time of the embedded boost switch TSWis 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. By applying a low frequency PWM signal the LEDs can be dimmed. The maximum peak inductor current can be programmed by connected a resistor RSETto the pin RSET.
  • 所有功能

    • Inductor switches boost controller
    • PFM mode control
    • High efficiency over wide range of input voltage from 3.0 V to 5.5 V
    • Over voltage protection with automatic restart
    • Adjustable peak current limit
    • Enable pin with possibility of PWM dimming control
    • Low shutdown current < 1 μA
    • Small external component
    • Good load and line regulation
    • QFN8 3 x 3 mm

电路原理图

特别推荐

EDA符号、封装和3D模型

STMicroelectronics - STLD40D

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Symbols

符号

Footprints

封装

3D model

3D模型

质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
STLD40DPUR
批量生产
VFDFPN 8 3x3x1.0 工业 Ecopack2

STLD40DPUR

Package:

VFDFPN 8 3x3x1.0

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

VFDFPN 8 3x3x1.0

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
STLD40DPUR 无法联系到经销商,请联系我们的销售办事处
批量生产
EAR99 NEC Tape And Reel VFDFPN 8 3x3x1.0 -40 85 MALAYSIA 0.693 / 1k

STLD40DPUR

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.693 / 1k

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

VFDFPN 8 3x3x1.0

Operating Temperature (°C)

(最小值)

-40

(最大值)

85

Budgetary Price (US$)* / Qty

0.693 / 1k

Country of Origin

MALAYSIA

(*) 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