ST2S08B

批量生产
Design Win

双路同步整流1.5 A、1.5 MHz可调步降开关稳压器

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产品概述

描述

The ST2S08B is a dual step-down DC-DC converter optimized for powering low-voltage digital cores in ODD applications and, generally, to replace the high current linear solution when the power dissipation may cause a high heating of the application environment. It provides up to 1.5 A over an input voltage range of 3 V to 5.5 V. A high switching frequency of 1.5 MHz allows the use of tiny surface-mounted components as well as a resistor divider to set the output voltage value. Only an inductor and two capacitors are required. A low output ripple is guaranteed by the current mode PWM topology and the utilization of low ESR SMD ceramic capacitors. The device is thermally protected and current limited. The ST2S08B is available in the QFN12L (4 x 4 mm) package.

  • 所有功能

    • Step-down current mode PWM (1.5 MHz) DC-DC converter
    • Adjustable output voltage from 0.8 V
    • 2 % DC output voltage tolerance
    • Synchronous rectification
    • Integrated current limit
    • Inhibit function
    • Soft-start for start delay of 800 μs typ.
    • Typical efficiency: > 80 % at VOUT= 1.2 V
    • 1.5 A output current capability
    • Non-switching quiescent current: max 1.5 mA over temperature range
    • RDS(ON)150 mΩ (typ.)
    • Uses tiny capacitors and inductors
    • Available in QFN12L (4 x 4 mm)

EDA符号、封装和3D模型

STMicroelectronics - ST2S08B

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质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 材料声明**
ST2S08BPQR
批量生产
QFN12 4x4 工业 Ecopack2

ST2S08BPQR

Package:

QFN12 4x4

Material Declaration**:

Marketing Status

批量生产

Package

QFN12 4x4

Grade

Industrial

RoHS Compliance Grade

Ecopack2

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样片和购买

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ST2S08BPQR
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(*) 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