L4989D

NRND
Design Win

低功耗稳压器

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产品概述

描述

The L4989M and L4989MD are monolithic integrated 5 V voltage regulators with a low drop voltage at currents up to 150 mA.

The output voltage regulating element consists in a p-channel MOS and the regulation is performed regardless of input voltage transients up to 40 V. The high precision of the output voltage is obtained with a pre-trimmed reference voltage.

The devices are protected against short circuit and an overtemperature protection switches off the devices in case of extremely high power dissipation.

The L4989M and L4989MD watchdogs are active when the Enable pin is high. Features like reset and watchdog make this devices particularly suitable to supply microprocessor systems in automotive applications.

  • 所有功能

    • AEC-Q100 qualified
    • Operating DC supply voltage range 5.6 V to 31 V
    • Very low quiescent current with watchdog disabled
    • Precision output voltage (±3%)
    • Low drop voltage (180 mV typ at Io = 150 mA)
    • Reset circuit sensing the output voltage down to 1 V
    • Programmable reset delay with external capacitor
    • Watchdog disable input
    • Programmable watchdog timer with external capacitor
    • Thermal shutdown and short circuit protection
    • Wide temperature range (Tj = -40°C to 150°C)

EDA符号、封装和3D模型

STMicroelectronics - L4989D

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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**
L4989D013TR
NRND
SO-8 汽车应用 Ecopack2

L4989D013TR

Package:

SO-8

Material Declaration**:

Marketing Status

NRND

Package

SO-8

Grade

Automotive

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

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L4989D013TR
Available at distributors

经销商的可用性 L4989D013TR

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L4989D013TR NRND

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L4989D013TR

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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