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LMR43606-Q1

現行

具 4uA Iq 和高低負載效率的車用 36V ， 600mA 同步降壓轉換器

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產品規格表

LMR43606-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 3 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 32 Iq (typ) (A) 0.0000015
Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 3 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 32 Iq (typ) (A) 0.0000015
VQFN-HR (RPE) 9 4 mm² 2 x 2
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Greater than 85% efficiency at 1mA
  • Miniature design size and low component cost
    • 2mm × 2mm HotRod™ package with wettable flanks
    • Internal compensation
  • Designed for ultra-low EMI requirements
    • Spread spectrum reduces peak emissions
    • Pin selectable FPWM mode for constant frequency at light loads with MODE/SYNC pin
    • FSW synchronization with MODE/SYNC pin
  • Designed for automotive applications
    • –40°C to +150°C junction temperature range
    • Supports 42V automotive load dump
    • Supports 3-VIN for automotive cold crank
    • Adjustable up to 95% of VIN, 3.3V and 5V fixed VOUT options available
  • Designed for scalable power supplies
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Greater than 85% efficiency at 1mA
  • Miniature design size and low component cost
    • 2mm × 2mm HotRod™ package with wettable flanks
    • Internal compensation
  • Designed for ultra-low EMI requirements
    • Spread spectrum reduces peak emissions
    • Pin selectable FPWM mode for constant frequency at light loads with MODE/SYNC pin
    • FSW synchronization with MODE/SYNC pin
  • Designed for automotive applications
    • –40°C to +150°C junction temperature range
    • Supports 42V automotive load dump
    • Supports 3-VIN for automotive cold crank
    • Adjustable up to 95% of VIN, 3.3V and 5V fixed VOUT options available
  • Designed for scalable power supplies

The LMR43606-Q1 is a small, 36V, 0.6A, synchronous step-down DC/DC converter in a 2mm × 2mm HotRod package. This easy-to-use converter supports a wide input voltage range of 3.0V to 36V with transients up to 42V.

The LMR43606-Q1 is specifically designed to meet low standby power requirements for always on, automotive applications. Auto mode enables frequency foldback when operating at light loads, allowing an unloaded current consumption of 1.5µA at 13.5VIN and high light load efficiency. A seamless transition between PWM and PFM modes along with very low MOSFET ON resistances provide exceptional efficiency across the entire load range.

The control architecture and feature-set are designed for an ultra-small design size. The device uses peak current mode control to minimize output capacitance. The LMR43606-Q1 minimizes input filter size by using dual random spread spectrum, a low-EMI HotRod package, and an optimized pinout. The MODE/SYNC and RT pin variants can be used to set or synchronize the frequency between 200kHz and 2.2MHz to avoid noise sensitive frequency bands.

The rich feature set of the LMR43606-Q1 is designed to simplify implementation for a wide range of automotive end equipments.

The LMR43606-Q1 is a small, 36V, 0.6A, synchronous step-down DC/DC converter in a 2mm × 2mm HotRod package. This easy-to-use converter supports a wide input voltage range of 3.0V to 36V with transients up to 42V.

The LMR43606-Q1 is specifically designed to meet low standby power requirements for always on, automotive applications. Auto mode enables frequency foldback when operating at light loads, allowing an unloaded current consumption of 1.5µA at 13.5VIN and high light load efficiency. A seamless transition between PWM and PFM modes along with very low MOSFET ON resistances provide exceptional efficiency across the entire load range.

The control architecture and feature-set are designed for an ultra-small design size. The device uses peak current mode control to minimize output capacitance. The LMR43606-Q1 minimizes input filter size by using dual random spread spectrum, a low-EMI HotRod package, and an optimized pinout. The MODE/SYNC and RT pin variants can be used to set or synchronize the frequency between 200kHz and 2.2MHz to avoid noise sensitive frequency bands.

The rich feature set of the LMR43606-Q1 is designed to simplify implementation for a wide range of automotive end equipments.
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類型 標題 日期
* Data sheet LMR43606-Q1, 36V, 0.6A, Automotive Buck Converter With < 2.5µA IQ at 150°C TJMAX in 4mm2 HotRod™ QFN datasheet PDF | HTML 2024年 1月 12日
EVM User's guide LMR43606-Q1 Evaluation Module User's Guide PDF | HTML 2024年 3月 18日
Certificate LMR43606MQ3EVM-2M EU Declaration of Conformity (DoC) 2024年 3月 6日
Functional safety information LMR43606-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2024年 1月 16日

設計與開發

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開發板

LMR43606MQ3EVM-2M — LMR43606-Q1 evaluation module

The LMR43606-Q1 is an easy-to-use, synchronous, step-down voltage converter. The LMR43606MQ3EVM-2M is a fully assembled and tested circuit for evaluating the LMR43606-Q1 converter. This EVM is designed to be operated with a 3.5V to 36V input and provides a 3.3V output with a load up to 600mA.

使用指南: PDF | HTML
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開發板

LMR43620MQ3EVM-2M — LMR43620-Q1 36-V 輸入、3.3-V 輸出、2-A 同步降壓轉換器評估模組

LMR43620MQ3EVM-2M 評估模組 (EVM) 可協助設計人員評估 LMR43620-Q1 廣泛輸入降壓穩壓器的運作及性能。LMR43620-Q1 為一款簡單易用的同步降壓 DC/DC 轉換器，可從最高 36 V 的輸入電壓中驅動高達 2 A 負載電流。LMR43620-Q1 在低負載下搭配超低運作靜態電流和高效率。採用 2-mm x 2-mm HotRod™ 封裝的 LMR43620-Q1 提供超小型、低 EMI 解決方案尺寸。

使用指南: PDF | HTML
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開發板

LMR43620RQ5EVM-400 — LMR43620-Q1 36-V 輸入、5-V 輸出、2-A 同步降壓轉換器評估模組

LMR43620RQ5EVM-400 評估模組 (EVM) 可協助評估 LMR43620-Q1 廣泛輸入降壓穩壓器的運作情形及性能。LMR43620-Q1 為一款簡單易用的同步降壓 DC/DC 轉換器，可從最高 36 V 的輸入電壓中驅動高達 2 A 負載電流。LMR43620-Q1 在低負載下搭配超低運作靜態電流和高效率。採用 2x2-mm HotRod™ 封裝的 LMR43620-Q1 提供超小型、低 EMI 解決方案尺寸。

使用指南: PDF | HTML
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