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AC/DC & DC/DC converters (integrated FET)

LM73606-Q1

現行

符合車用資格的 3.5-V 至 36-V、6-A 同步降壓式電壓轉換器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的產品不同
LM61460-Q1 現行 車用 3V 至 36V、6A、低雜訊同步降壓轉換器 Smaller package, higher performance
最新 LM63460-Q1 現行 採用強化式 QFN 封裝的車用 3-V 至 36-V、6-A、低 EMI 同步降壓轉換器 Smaller solution size, higher efficiency at light load, lower EMI with HotRod™ QFN packaging and spread spectrum.

LM73606-Q1

現行
產品規格表 立即訂購

產品詳細資料

Iout (max) (A) 6 Vin (min) (V) 3.5 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 350 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO Fixed, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015
Iout (max) (A) 6 Vin (min) (V) 3.5 Vin (max) (V) 36 Topology Buck Type Converter Switching frequency (min) (kHz) 350 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO Fixed, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Rating Automotive Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000015
WQFN (RNP) 30 24 mm² 6 x 4
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2 kV
    • Device CDM ESD classification level C5
  • Wettable flanks QFN package (WQFN)
  • Low EMI and low switching noise
  • Low quiescent current
    • 0.8 µA in shutdown (typical)
    • 15 µA in active mode with no load (typical)
  • Wide voltage conversion range:
    • tON-MIN = 60 ns (typical)
    • tOFF-MIN = 70 ns (typical)
  • Low MOSFET ON-resistance:
    • RDS_ON_HS = 53 mΩ (typical)
    • RDS_ON_LS = 31 mΩ (typical)
  • Adjustable frequency range: 350 kHz to 2.2 MHz
  • Pin-selectable auto mode or forced PWM mode
  • Start-up into pre-biased load, fixed or adjustable soft-start time, and tracking
  • Synchronizable to external clock, internal compensation, power-good flag, and precision enable
  • Cycle-by-cycle current limiting, hiccup, UVLO, and thermal shutdown protections
  • Create a custom design with the WEBENCH power designer using LM73605-Q1 or LM73606-Q1
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
    • Device HBM ESD classification level 2 kV
    • Device CDM ESD classification level C5
  • Wettable flanks QFN package (WQFN)
  • Low EMI and low switching noise
  • Low quiescent current
    • 0.8 µA in shutdown (typical)
    • 15 µA in active mode with no load (typical)
  • Wide voltage conversion range:
    • tON-MIN = 60 ns (typical)
    • tOFF-MIN = 70 ns (typical)
  • Low MOSFET ON-resistance:
    • RDS_ON_HS = 53 mΩ (typical)
    • RDS_ON_LS = 31 mΩ (typical)
  • Adjustable frequency range: 350 kHz to 2.2 MHz
  • Pin-selectable auto mode or forced PWM mode
  • Start-up into pre-biased load, fixed or adjustable soft-start time, and tracking
  • Synchronizable to external clock, internal compensation, power-good flag, and precision enable
  • Cycle-by-cycle current limiting, hiccup, UVLO, and thermal shutdown protections
  • Create a custom design with the WEBENCH power designer using LM73605-Q1 or LM73606-Q1

The LM73605-Q1/LM73606-Q1family of devices are easy-to-use synchronous step-down DC/DC converters capable of driving up to 5 A (LM73605-Q1)or 6 A (LM73606-Q1) of load current from a supply voltage ranging from 3.5 V to 36 V. The LM73605-Q1/LM73606-Q1 provide exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization to an external clock, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency over the entire load range. The family requires few external components and has a pinout designed for simple PCB layout with optimal EMI and thermal performance. Protection features include thermal shutdown, input undervoltage lookout, cycle-cy-cycle current limiting, and hiccup short-citcuit protection. The LM73605-Q1 and LM73606-Q1 devices are pin-to-pin compatible for easy current scaling.

The LM73605-Q1/LM73606-Q1family of devices are easy-to-use synchronous step-down DC/DC converters capable of driving up to 5 A (LM73605-Q1)or 6 A (LM73606-Q1) of load current from a supply voltage ranging from 3.5 V to 36 V. The LM73605-Q1/LM73606-Q1 provide exceptional efficiency and output accuracy in a very small solution size. Peak current-mode control is employed. Additional features such as adjustable switching frequency, synchronization to an external clock, power-good flag, precision enable, adjustable soft start, and tracking provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load and optional external bias improve efficiency over the entire load range. The family requires few external components and has a pinout designed for simple PCB layout with optimal EMI and thermal performance. Protection features include thermal shutdown, input undervoltage lookout, cycle-cy-cycle current limiting, and hiccup short-citcuit protection. The LM73605-Q1 and LM73606-Q1 devices are pin-to-pin compatible for easy current scaling.
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類型 標題 日期
* Data sheet LM7360x-Q1 3.5-V to 36-V, 5-A or 6-A Synchronous Step-Down Voltage Converter datasheet (Rev. B) PDF | HTML 2021年 5月 14日
Functional safety information LM73606-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2022年 7月 12日
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 2021年 7月 26日
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
Technical article Optimizing flip-chip IC thermal performance in automotive designs PDF | HTML 2019年 12月 11日
Technical article How to meet European Commission ADAS requirements with TI DC/DC converters PDF | HTML 2019年 5月 9日
Technical article A review of EMI standards, part 1 – conducted emissions PDF | HTML 2018年 6月 28日
Application note Designing High Performance, Low-EMI, Automotive Power Supplies 2017年 9月 30日
EVM User's guide LM73605/LM73606 EVM User's Guide 2017年 9月 20日

設計與開發

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開發板

LM73606EVM-5V-400K — LM73606 同步降壓轉換器評估模組

The LM73606EVM-5V-400K evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM73606 synchronous step-down voltage converter. The EVM operates from 6V to 36V input and provides a 5V output voltage with 6A maximum load current.

使用指南: PDF
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模擬型號

LM73606 Non-Inverting and Inverting PSpice Transient Model

SNVMBE5.ZIP (240 KB) - PSpice Model
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模擬型號

LM73606 Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMBE4.ZIP (8 KB) - PSpice Model
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計算工具

SNVR524 — LM73605 Quickstart Tool

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產品
AC/DC & DC/DC converters (integrated FET)
LM73605 — 3.5V 至 36V、5A 同步降壓電壓轉換器 LM73605-Q1 — 通過車用認證的 3.5V 至 36V、5A 同步降壓式電壓轉換器 LM73606 — 3.5V 至 36V、6A 同步降壓轉換器 LM73606-Q1 — 符合車用資格的 3.5-V 至 36-V、6-A 同步降壓式電壓轉換器
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