A5973AD

量産中
Design Win Education

Up to 1.5 A step-down switching regulator for automotive applications

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製品概要

概要

The A5973AD is a step-down monolithic power switching regulator with a minimum switch current limit of 1.8 A, so it is able to deliver up to 1.5 A DC current to the load depending on the application conditions. The output voltage can be set from 1.235 V to VIN. The high current level is also achieved thanks to an HSOP8 package with an exposed frame, that allows to reduce the Rth(JA)down to approximately 40 °C/W. The device uses an internal P-channel DMOS transistor (with a typical RDS(on)of 250 mΩ) as a switching element to minimize the size of the external components. An internal oscillator fixes the switching frequency at 500 kHz. Having a minimum input voltage of 4 V only it fits the automotive applications requiring the device operation even in cold crank conditions. A pulse-by-pulse current limit with the internal frequency modulation offers an effective constant current short-circuit protection.

  • 特徴

    • Qualified following the AEC-Q100 requirements (see PPAP for more details)
    • 1.5 A DC output current
    • Operating input voltage from 4 V to 36 V
    • 3.3 V / (± 2%) reference voltage
    • Output voltage adjustable from 1.235 V to VIN
    • Low dropout operation: 100% duty cycle
    • 500 kHz internally fixed frequency
    • Voltage feed-forward
    • Zero load current operation
    • Internal current limiting
    • Inhibit for zero current consumption
    • 同期化
    • Protection against feedback disconnection
    • Thermal shutdown

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STMicroelectronics - A5973AD

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品質 & 信頼性

製品型番 マーケティング・ステータス パッケージ グレード RoHSコンプライアンスグレード 材料宣誓書**
A5973ADTR
量産中
PowerSO-8 オートモーティブ Ecopack2

A5973ADTR

Package:

PowerSO-8

Material Declaration**:

PDF XML

Marketing Status

量産中

Package

PowerSO-8

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) st.comで提供している材料宣誓書は、パッケージ・ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください

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A5973ADTR
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A5973ADTR 量産中

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