製品概要
概要
The STEF01 is a universal integrated electronic fuse optimized for monitoring output current and the input voltage on DC power lines. When connected in series to the main power rail, it is able to detect and react to overcurrent and overvoltage conditions. When an overload condition occurs, the device limits the output current to a safe value defined by the user. If the anomalous overload condition persists, the device goes into an open state, disconnecting the load from the power supply.The device is fully programmable. UVLO, overvoltage clamp and start-up time can be set by means of external components.
The adjustable turn-on time is useful to keep the in-rush current under control during startup and hot-swap operations. The device provides either thermal latch and auto-retry protection modes, which are selectable by means of a dedicated pin.
The STEF01 provides a gate driver pin for an external power MOSFET to implement a reverse-current blocking circuit. The intervention of the thermal protection is signaled to the board monitoring circuits through a signal on the fault pin.
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特徴
- Operating input voltage range: 8 to 48 V
- Absolute maximum input voltage: 55 V
- Continuous current typ.: 4 A
- N-channel on-resistance typ.: 30 mΩ
- Enable/fault functions
- Output clamp voltage: adjustable from 10 to 52 V
- Programmable undervoltage lockout
- Short-circuit current limit
- Programmable overload current limit
- Adjustable soft-start time
- Latch or auto-retry thermal protection
- Maximum allowable power protection
- Power Good
- Drives an optional external reverse current protection MOSFET
- Operating junction temperature -40 °C to 125 °C
- HTSSOP14 package
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製品スペック (1)
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| 20 May 2020 | 20 May 2020 |
セレクション･ガイド (1)
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| 23 Apr 2021 | 23 Apr 2021 |
パンフレット (1)
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| 19 Jul 2019 | 19 Jul 2019 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STEF01
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品質 & 信頼性
| 製品型番 | Marketing Status | 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** |
|---|---|---|---|---|---|
| STEF01FTR | 量産中 | TSSOP-14 | インダストリアル | 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
サンプル & 購入
| 製品型番 | 販売代理店から購入 | STから購入 | 製品ステータス | ECCN (US) | ECCN (EU) | 梱包タイプ | パッケージ | 温度（℃） | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小 | 最大 | |||||||||||
| STEF01FTR | 6 distributors | Free Sample Buy Direct | 量産中 | EAR99 | NEC | Tape And Reel | TSSOP-14 | - | - | THAILAND | 1.0 / 1k | |
（*）概算用の希望小売単価（US$）です。現地通貨でのお見積りについては、STのセールス･オフィスまたは販売代理店までお問い合わせください。
