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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LM60440-Q1

現行

採用增強型 EMI QFN 封裝，具有可潤濕側翼的車用 36-V、4-A 同步轉換器

立即訂購
產品規格表

LM60440-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) 4 Vin (max) (V) 36 Vin (min) (V) 3.8 Vout (max) (V) 24 Vout (min) (V) 1 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 24 Duty cycle (max) (%) 98 Type Converter
Rating Automotive Topology Buck Iout (max) (A) 4 Vin (max) (V) 36 Vin (min) (V) 3.8 Vout (max) (V) 24 Vout (min) (V) 1 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, UVLO adjustable, Wettable flanks package Control mode current mode Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 24 Duty cycle (max) (%) 98 Type Converter
WQFN-FCRLF (RPK) 13 6 mm² 3 x 2
  • 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
  • Low EMI and switching noise
    • Meets CISPR25 class 5 standard
    • Enhanced QFN package minimizes parasitic inductance and switch node ringing
  • Configured for automotive applications
    • Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
    • Pin compatible variants:
    • Junction temperature range –40°C to +150°C
    • ±1.5% total output regulation accuracy
    • Frequency: 400 kHz
    • Output voltage range: 1 V to 24 V
  • High efficiency power conversion at all loads
    • Peak efficiency > 95%
    • 90% PFM efficiency at 10-mA, 12 VIN, 5 VOUT
    • Low operating quiescent current of 25 µA
  • Create a custom design using the LM60440-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
  • Low EMI and switching noise
    • Meets CISPR25 class 5 standard
    • Enhanced QFN package minimizes parasitic inductance and switch node ringing
  • Configured for automotive applications
    • Standard QFN footprint: single large thermal pad and all pins accessible from perimeter
    • Pin compatible variants:
    • Junction temperature range –40°C to +150°C
    • ±1.5% total output regulation accuracy
    • Frequency: 400 kHz
    • Output voltage range: 1 V to 24 V
  • High efficiency power conversion at all loads
    • Peak efficiency > 95%
    • 90% PFM efficiency at 10-mA, 12 VIN, 5 VOUT
    • Low operating quiescent current of 25 µA
  • Create a custom design using the LM60440-Q1 with the WEBENCH® Power Designer

The LM604x0-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for automotive applications. The LM60430-Q1 drives up to 3-A of load current, and the LM60440-Q1 is industry’s smallest 4A step-down converter.

The LM604x0-Q1 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0-Q1 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0-Q1 are designed to simplify implementation for a wide range of end equipment.

The LM604x0-Q1 automotive-qualified regulator is an easy-to-use, synchronous, step-down DC/DC converter that delivers best-in-class efficiency for automotive applications. The LM60430-Q1 drives up to 3-A of load current, and the LM60440-Q1 is industry’s smallest 4A step-down converter.

The LM604x0-Q1 is available in an ultra-miniature WQFN package with wettable flanks and a standard QFN pin-out with a thermal pad to enhance thermal performance. This enhanced QFN package features extremely small parasitic inductance and resistance, enabling very high efficiency while minimizing switch node ringing and dramatically reducing EMI.

The LM604x0-Q1 uses peak-current-mode control to automatically fold back frequency at light load to ensure exceptional efficiency across the entire load range. The low power dissipation paired with a thermally optimized QFN package enables a power dense solution size. In addition the device requires few external components and has a pinout designed for simple PCB layout. The small solution size and feature set of the LM604x0-Q1 are designed to simplify implementation for a wide range of end equipment.
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LM60430-Q1 現行 採用 QFN 封裝，具有可潤濕側翼和外部墊片的車用 36-V、3-A 同步轉換器 Automotive version with 3-A rating

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類型 標題 日期
* Data sheet LM604x0-Q1 3.8-V to 36-V, 3-A, and 4-A Ultra-Small Synchronous Step-Down Converter datasheet (Rev. A) PDF | HTML 2020年 6月 17日
Application note Enhanced HotRod QFN Package: Industry-Best Size with Low EMI (Rev. A) PDF | HTML 2021年 8月 17日
White paper 透過節省時間和成本的創新技術 降低電源中的EMI 2020年 12月 4日
Functional safety information LM604x0-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2020年 10月 1日
Certificate LM60440AQEVM EU Declaration of Conformity (DoC) 2020年 9月 8日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LM60440AQEVM — 36-V、4-A、2x3-mm 同步降壓轉換器評估模組

LM60440AQEVM 評估模組 (EVM) 可協助設計人員評估 LM60440-Q1 廣泛輸入降壓穩壓器的運作及性能。LM60440-Q1 為一款簡單易用的同步降壓 DC/DC 轉換器，可從最高 36 V 的輸入電壓驅動高達 4 A 的負載電流。LM60440-Q1 採用熱性能與雜訊均最佳化的 2x3 mm QFN 封裝，提供極小的解決方案尺寸，可解決 EMI 與熱性能設計問題。
使用指南: PDF
TI.com 無法提供
模擬型號

LM60440A-Q1 PSpice Unencrypted Transient Model

SNVMBY4.ZIP (158 KB) - PSpice Model
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計算工具

SNVR483 — LM60440-Q1 Quick Start Calculator

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產品
AC/DC 和 DC/DC 轉換器 (整合式 FET)
  • LM60440 — 採用增強型 EMI QFN 封裝，具有可潤濕側翼和外部墊片的 36-V、4-A 同步轉換器
  • LM60440-Q1 — 採用增強型 EMI QFN 封裝，具有可潤濕側翼的車用 36-V、4-A 同步轉換器
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
WQFN-FCRLF (RPK) 13 Ultra Librarian
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