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SC424 数据表 (PDF) - Semtech Corporation

SC424 Datasheet PDF - Semtech Corporation
部件名 SC424
下载  SC424 下载

文件大小   506.04 Kbytes
  29 Pages
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation
功能描述 6A Integrated FET Regulator with 5V LDO

SC424 Datasheet (PDF)

Go To PDF Page 下载 数据表
SC424 Datasheet PDF - Semtech Corporation

部件名 SC424
下载  SC424 Click to download

文件大小   506.04 Kbytes
  29 Pages
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation
功能描述 6A Integrated FET Regulator with 5V LDO

SC424 数据表 (HTML) - Semtech Corporation

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SC424 产品详情

Description
The SC414/SC424 is a stand-alone synchronous buck regulated power supply. It features integrated power MOSFETs, a bootstrap switch, and a 5V LDO in a space-saving MLPQ-4x4mm 28-pin package. The device is highly efcient and uses minimal PCB area. It uses pseudo-f xed frequency adaptive on-time operation to provide fast transient response.
The SC414/SC424 supports using standard capacitor types such as electrolytic or special polymer, in addition to ceramic, at switching frequencies up to 1MHz. The programmable frequency, synchronous operation, and select able power-save provide high efciency operation over a wide load range.
Additional features include cycle-by-cycle current limit, soft-start, under and over-voltage protection, programmable over-current protection, soft shutdown, and selectable power-save. The device also provides separate enable inputs for the PWM controller and LDO as well as a power good output for the PWM controller.
The input voltage can range from 3V to 28V. The wide input voltage range, programmable frequency, and 5V LDO make the device extremely flexible and easy to use in a broad range of applications. It can be used for single cell or multi-cell battery systems in addition to traditional DC power supply applications.
The 5V LDO or an external 3.3V to 5V supply can be used to provide the bias voltage for the SC414/SC424. When the SC414/SC424 is used as a 5V output switching regulator, the 5V LDO can be used as an initial bias supply for the device. Once the switch regulator output is in the switch over range, the LDO will be bypassed by the switcher output for optimum efciency.

Features
■ Input voltage — 3V to 28V
■ Internal power MOSFETs — 6A
■ Integrated bootstrap switch
■ Smart power-save protection
■ Integrated 5V, 150mA LDO with bypass capability
■ TC compensated RDS(ON) sensed current limit
■ Pseudo-fxed frequency adaptive on-time control
■ Designed for use with ceramic capacitors
■ Programmable VIN UVLO threshold
■ Independent enable for switcher and LDO
■ Selectable ultrasonic power-save (SC414)
■ Selectable power-save (SC424)
■ Internal soft-start and soft-shutdown at output
■ Internal reference — 1% tolerance
■ Over-voltage and under-voltage fault protection
■ Power good output
■ SmartDriveTM
■ Lead-free 4x4mm, 28 Pin MLPQ package
■ Fully WEEE and RoHS compliant, and halogen free

Applications
■ Notebook, desktop, tablet, and server computers
■ Networking and telecommunication equipment
■ Printers, DSL, and STB applications
■ Embedded applications
■ Power supply modules
■ Point of load power supplies




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关于 Semtech Corporation


Semtech Corporation是一家美国技术公司,专门从事高性能模拟和混合信号半导体的设计和制造。该公司成立于1960年,总部位于加利福尼亚州的Camarillo。 Semtech为各种应用程序提供了广泛的产品,包括数据转换器,电源管理解决方案,高频产品以及其他模拟和混合信号组件,包括无线通信,汽车,工业和消费电子产品。

Semtech以其在模拟和混合信号技术方面的专业知识以及提供创新和高性能产品的能力而闻名。该公司非常关注研发,并积极参与了半导体行业的新技术和解决方案的开发。 Semtech的产品广泛用于各种应用中,并有助于支持电子行业的增长。

近年来,Semtech扩大了其产品组合和产品,以包括物联网(IoT)和无线传感市场的解决方案。该公司致力于帮助客户设计,开发和部署满足电子行业不断变化的需求的创新产品。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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