5 V/10 W, 60 kHz isolated flyback with extra power management based on the VIPer28L

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  • The STEVAL-ISA125V1 is a 5 V, 2 A demonstration application with 3.3 A peak current capability of 1.9 sec, using the new VIPer28LN offline high-voltage converter from STMicroelectronics.

    In some applications, an SMPS can have load peaks which may be two or more times as high as the power it is supposed to deliver, though only for a short time compared to the thermal time constants of the power components. Typical examples of such loads include printers and audio systems.
    In such cases, it is more cost-effective to thermally design the system for maximum continuous power and not for peak power demand, which is sustained only for a limited time.
    Such a design is possible thanks to the EPT function of the VIPer28LN, which allows designers to fix the maximum time window during which the converter is able to manage the peak power and still maintain output voltage regulation. If the overload period exceeds the time window, the converter is automatically shut down and enters auto-restart mode until the overload is removed, thus preventing damage to the power components.

    主要特性

    • Input voltage range: 90 VRMS - 265 VRMS
    • Output voltage: 5 V
    • Max output current: IOUTmax = 2 A
    • Peak output current: IOUTpk = 3 A
    • Precision of output regulation: ΔVOUT_LF±5%
    • High frequency output voltage ripple: ΔVOUT_HF= 50 mV
    • Max ambient operating temperature: TA= 60 ºC
    • 800 V avalanche-rugged power section
    • PWM operation at 60 kHz with frequency jittering for lower EMI
    • Limiting current with adjustable set point
    • On-board soft-start
    • Safe auto-restart after a fault condition; low standby power (< 50 mW at 265 Vac).
    • Adjustable, accurate overvoltage protection, thermal shutdown with hysteresis, delayed overload protection

样片和购买

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从ST订购
STEVAL-ISA125V1 VIPER28LN
批量生产
75.0 1 EAR99 ITALY - 查看供货情况

Distributor availability ofSTEVAL-ISA125V1

代理商名称
地区 库存 最小订购量 Third party link
ANGLIA Live EUROPE 1 1 Order Now

代理商库存报告日期: 2019-12-03

代理商名称

ANGLIA Live

库存

1

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-12-03

立即购买

STEVAL-ISA125V1

核心产品

VIPER28LN

供货状态

批量生产

单价(US$)

75.0*

Distributor availability ofSTEVAL-ISA125V1

代理商名称
地区 库存 最小订购量 Third party link
ANGLIA Live EUROPE 1 1 Order Now

代理商库存报告日期: 2019-12-03

代理商名称

ANGLIA Live

库存

1

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-12-03

单价(US$)

75

数量

1

ECCN (US)

EAR99

Country of Origin

ITALY

Board production status

-

(*) 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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技术文档

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      DB1985
      5 V / 10 W, 60 kHz isolated flyback with extra power management based on the VIPer28LN
      1.0
      154.41 KB
      PDF
      DB1985

      5 V / 10 W, 60 kHz isolated flyback with extra power management based on the VIPer28LN

硬件资源

    • 描述 版本 文档大小 操作
      STEVAL-ISA125V1 gerber files 1.0
      459.59 KB
      ZIP

      STEVAL-ISA125V1 gerber files

    • 描述 版本 文档大小 操作
      STEVAL-ISA125V1 BOM 1.0
      56.61 KB
      PDF

      STEVAL-ISA125V1 BOM

    • 描述 版本 文档大小 操作
      STEVAL-ISA125V1 schematics 1.0
      92.84 KB
      PDF

      STEVAL-ISA125V1 schematics

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      eDesignSuite-The smart way to design your application 1.0
      842.88 KB
      PDF

      eDesignSuite-The smart way to design your application

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 Material Declaration**
STEVAL-ISA125V1
批量生产
CARD 工业 Ecopack2 -

STEVAL-ISA125V1

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.

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