3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

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  • The ST1S30 is a step-down DC-DC converter optimized for powering low output voltage applications. It supplies a current in excess of 3 A over an input voltage range from 2.7 V to 6 V.

    A high PWM switching frequency (1.5 MHz) allows the use of tiny surface-mount components.
    Moreover, since the required synchronous rectifier is integrated, the number of the external components is reduced to minimum: a resistor divider, an inductor and two capacitors. The Power Good function continuously monitors the output voltage. An open drain Power Good flag is released when the output voltage is within regulation. In addition, a low output ripple is guaranteed by the current mode PWM topology and by the use of low ESR SMD ceramic capacitors. The device is thermally protected and the output current limited to prevent damages due to accidental short circuit. The ST1S30 is available in the DFN8 (4 x 4 mm) package.

    主要特性

    • 1.5 MHz fixed frequency PWM with current control mode
    • 3 A output current capability
    • Typical efficiency: > 90%
    • 2 % DC output voltage tolerance
    • Two versions available: power good or inhibit
    • Integrated output over-voltage protection
    • Non switching quiescent current: (typ) 1.5 mA over temperature range
    • RDSon (typ) 100 mΩ
    • Utilizes tiny capacitors and inductors
    • Operating junction temp. -25 °C to 125 °C
    • Available in DFN8 (4 x 4 mm) exposed pad

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样片和购买

产品型号
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供货状态
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ECCN (US)
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从分销商订购
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ST1S30IPUR DFN8 4x4 Tape And Reel
批量生产
0.624 10000 EAR99 MALAYSIA 没有经销商,请联系我们的销售办事处

ST1S30IPUR

封装

DFN8 4x4

包装类型

Tape And Reel

单价(US$)

0.624*

供货状态

批量生产

单价(US$)

0.624

数量

10000

ECCN (US)

EAR99

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

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      DS6941
      3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification
      1.1
      195.79 KB
      PDF
      DS6941

      3 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

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产品型号 供货状态 封装 等级规格 符合RoHS级别 Material Declaration**
ST1S30IPUR
批量生产
DFN8 4x4 工业 Ecopack2

ST1S30IPUR

Package:

DFN8 4x4

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

DFN8 4x4

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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