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DC/DC 切換穩壓器
DC/DC 轉換器

LM76005-Q1

現行

3.5-V 至 60-V、5-A 同步電壓穩壓器

立即訂購
產品規格表

現在提供此產品的更新版本

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功能相同，但針腳輸出與所比較的裝置不同。
LM706A0-Q1 現行 車用、高密度、4.5V 至 65V 輸入、10A 低 EMI 同步 DC/DC 降壓轉換器 Adjustable current limit, higher efficiency, lower IQ and improved EMI mitigation features
LM65645-Q1 現行 針對功率密度和低 EMI 最佳化的車用 4.5V、3V 至 65V 降壓轉換器 Better efficiency and smaller solution size

LM76005-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Topology Buck Iout (max) (A) 5 Vin (max) (V) 60 Vin (min) (V) 3.5 Vout (max) (V) 57 Vout (min) (V) 1 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 5 Vin (max) (V) 60 Vin (min) (V) 3.5 Vout (max) (V) 57 Vout (min) (V) 1 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, Wettable flanks package Control mode current mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015 Duty cycle (max) (%) 98 TI functional safety category Functional Safety-Capable
WQFN (RNP) 30 24 mm² (6 mm × 4 mm)
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA

  • Functional Safety-Capable

    • Documentation available to aid functional safety system design

  • Designed for applications
    • Input transient protection up to 65 V

    • Optimized for low EMI requirements

    • Pin-selectable FPWM operation
    • Adjustable frequency range: 200 kHz to 500 kHz
    • Start up with pre-biased output voltage
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Suited for scalable power supplies
    • Pin compatible with:
      • LM76002/3-Q1 (60 V, 2.5 A or 3.5 A)
    • Output voltage: 1 V to 95% of VIN
    • Synchronization to external clock
    • Adjustable soft-start (6.3 ms default)
  • Low power dissipation across load spectrum
    • 15-µA quiescent current in regulation
    • 95% efficiency at 400 kHz (12VIN, 5VOUT, 2A)
    • 92% PFM efficiency at 10-mA (12VIN, 5VOUT)
    • External bias option for improved efficiency
  • Create a custom design using the LM76005-Q1 with the WEBENCH® Power Designer
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA

  • Functional Safety-Capable

    • Documentation available to aid functional safety system design

  • Designed for applications
    • Input transient protection up to 65 V

    • Optimized for low EMI requirements

    • Pin-selectable FPWM operation
    • Adjustable frequency range: 200 kHz to 500 kHz
    • Start up with pre-biased output voltage
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Suited for scalable power supplies
    • Pin compatible with:
      • LM76002/3-Q1 (60 V, 2.5 A or 3.5 A)
    • Output voltage: 1 V to 95% of VIN
    • Synchronization to external clock
    • Adjustable soft-start (6.3 ms default)
  • Low power dissipation across load spectrum
    • 15-µA quiescent current in regulation
    • 95% efficiency at 400 kHz (12VIN, 5VOUT, 2A)
    • 92% PFM efficiency at 10-mA (12VIN, 5VOUT)
    • External bias option for improved efficiency
  • Create a custom design using the LM76005-Q1 with the WEBENCH® Power Designer

The LM76005-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 5 A (LM76005-Q1) of load current from an input up to 60 V. Tolerance goes up to 65 V, easing input surge protection.

The LM76005-Q1 use peak-current-mode control to provide exceptional efficiency and output accuracy in a small solution size. Seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range.

This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR25) and thermal performance. The small solution size and feature set of the LM76005-Q1 are designed to simplify the implementation for a wide range of end equipment.

The LM76005-Q1 device is available in the WQFN 30-pin leadless package with wettable flanks.

The LM76005-Q1 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 5 A (LM76005-Q1) of load current from an input up to 60 V. Tolerance goes up to 65 V, easing input surge protection.

The LM76005-Q1 use peak-current-mode control to provide exceptional efficiency and output accuracy in a small solution size. Seamless transition between PWM and PFM modes, along with very low MOSFET ON resistances and an external bias input, ensures exceptional efficiency across the entire load range.

This device requires few external components and has a pinout designed for simple PCB layout with best-in-class EMI (CISPR25) and thermal performance. The small solution size and feature set of the LM76005-Q1 are designed to simplify the implementation for a wide range of end equipment.

The LM76005-Q1 device is available in the WQFN 30-pin leadless package with wettable flanks.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LM76005-Q1 3.5-V to 60-V, 5-A Automotive Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 2019/8/2
應用說明 Controller to Converter – Design Considerations for 24V and 48V Systems PDF | HTML 2024/10/2
功能安全資訊 LM76005-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2020/12/17
技術文章 Using DC/DCs buck converters to power modern safety features in commercial vehicle PDF | HTML 2020/7/27

設計與開發

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開發板

LM76005QEVM — 3.5-V 至 60-V、5-A 同步降壓電壓轉換器評估模組

LM76005QEVM 評估模組 (EVM) 是完全組裝且經過測試的電路，用於評估 LM76005 和 LM76005-Q1 同步降壓轉換器。此 EVM 可在 3.5-V 至 60-V 輸入之間運作，並在 5 A 時提供 3.3-V 或 5-V 輸出。
使用指南: PDF | HTML
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模擬型號

LM76005-Q1 PSpice Unencrypted Transient Model

SNVMBY2.ZIP (289 KB) - PSpice 模型
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計算工具

LM76005-DESIGN-CALC — LM76005 設計計算機

This stand-alone tool facilitates and assists with the design of a DC/DC buck regulator based on the LM76005(-Q1) converter. The user can expeditiously arrive at an optimized design to meet the application requirements.
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN (RNP) 30 Ultra Librarian
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