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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LMR36506

現行

具有 4μA IQ 的 3V 至 65V、0.6A 超小型同步降壓轉換器

立即訂購
產品規格表

LMR36506

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 65 Vin (min) (V) 3 Vout (max) (V) 60 Vout (min) (V) 1 Features Enable, Fixed Output, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging Control mode current mode Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 4 Duty cycle (max) (%) 98 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 0.6 Vin (max) (V) 65 Vin (min) (V) 3 Vout (max) (V) 60 Vout (min) (V) 1 Features Enable, Fixed Output, Forced PWM, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, Wettable flanks package EMI features Low parasitic Hotrod packaging Control mode current mode Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Operating temperature range (°C) -40 to 150 Iq (typ) (µA) 4 Duty cycle (max) (%) 98 Type Converter
VQFN-HR (RPE) 9 4 mm² 2 x 2
  • Designed for rugged industrial applications:
    • Junction temperature range –40°C to +150°C
    • Input transient protection up to 70V
    • Wide input voltage range: 3.0V (falling threshold) to 65V
    • Low EMI and minimized switch node ringing
    • Adjustable fixed output voltage options available
  • Designed for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65V, 300mA)
    • Adjustable switching frequency: 200kHz to 2.2MHz with RT pin variant
  • Minimized design size and cost:
    • Highest power density with internal compensation and reduced external component count
    • Ultra-small 2mm × 2mm HotRod™ QFN package
  • High efficiency across load range with low power dissipation:
    • 93% peak efficiency at 400kHz (12 VIN, 3.3 VOUT fixed)
    • 90% peak efficiency at 400kHz (24 VIN, 3.3 VOUT fixed)
  • Ultra-low operating quiescent current at no load
    • 4µA at 24 VIN to 3.3 VOUT (fixed output option)
  • Use TPSM365R6 module for faster time to market
  • Designed for rugged industrial applications:
    • Junction temperature range –40°C to +150°C
    • Input transient protection up to 70V
    • Wide input voltage range: 3.0V (falling threshold) to 65V
    • Low EMI and minimized switch node ringing
    • Adjustable fixed output voltage options available
  • Designed for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65V, 300mA)
    • Adjustable switching frequency: 200kHz to 2.2MHz with RT pin variant
  • Minimized design size and cost:
    • Highest power density with internal compensation and reduced external component count
    • Ultra-small 2mm × 2mm HotRod™ QFN package
  • High efficiency across load range with low power dissipation:
    • 93% peak efficiency at 400kHz (12 VIN, 3.3 VOUT fixed)
    • 90% peak efficiency at 400kHz (24 VIN, 3.3 VOUT fixed)
  • Ultra-low operating quiescent current at no load
    • 4µA at 24 VIN to 3.3 VOUT (fixed output option)
  • Use TPSM365R6 module for faster time to market

The LMR36506 is the industry’s smallest 65V, 0.6A synchronous step-down DC/DC converter in 2mm × 2mm HotRod package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance and support fixed 3.3V and other adjustable output voltages. The transient tolerance reduces the necessary design effort to protect against input overvoltage and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36506 uses the peak current mode control architecture with internal compensation to maintain stable operation with minimal output capacitance. The LMR36506 with the right resistor selection from the RT pin to ground can be externally programmed to any desired switching frequency of operation over a wide range from 200kHz to 2.2MHz. The precision EN/UVLO feature allows precise control of the device during the start-up and shutdown. The power-good flag, with built-in glitch filter and delayed release, offers a true indication of the system status, eliminating the requirement for an external supervisor. The compact design size and rich feature set of LMR36506 simplifies implementation for a wide range of industrial applications.

The LMR36506 is the industry’s smallest 65V, 0.6A synchronous step-down DC/DC converter in 2mm × 2mm HotRod package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance and support fixed 3.3V and other adjustable output voltages. The transient tolerance reduces the necessary design effort to protect against input overvoltage and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36506 uses the peak current mode control architecture with internal compensation to maintain stable operation with minimal output capacitance. The LMR36506 with the right resistor selection from the RT pin to ground can be externally programmed to any desired switching frequency of operation over a wide range from 200kHz to 2.2MHz. The precision EN/UVLO feature allows precise control of the device during the start-up and shutdown. The power-good flag, with built-in glitch filter and delayed release, offers a true indication of the system status, eliminating the requirement for an external supervisor. The compact design size and rich feature set of LMR36506 simplifies implementation for a wide range of industrial applications.
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類型 標題 日期
* Data sheet LMR36506 3V to 65V, 0.6A, Ultra-Small Synchronous Buck Converter With 4μA IQ datasheet (Rev. C) PDF | HTML 2026年 1月 7日
Application note Bi-polar Fly-Buck-Boost Solution for Analog Output Modules PDF | HTML 2023年 10月 10日
Application note Step-Dwn (Buck) Convrtr Pwer Solutions for Programmable Logic Controller Systems (Rev. A) PDF | HTML 2021年 7月 26日
Technical article Choosing buck converters and LDOs for miniature industrial automation equipment PDF | HTML 2020年 1月 29日
Application brief Powering Drones With a Wide VIN DC-DC Converter (Rev. A) 2019年 2月 5日
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 2014年 1月 22日

設計與開發

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開發板

LMR36506RREVM — 3-V 至 65-V、0.6-A 超小型同步降壓轉換器評估模組

LMR36506RREVM 評估模組 (EVM) 是完全組裝且經過測試的電路，用於評估 LMR36506 同步降壓轉換器。
使用指南: PDF
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模擬型號

LMR36506MSC-Q1 TINA-TI Buck Startup Transient Model

SNVMC46.TSC (1006 KB) - TINA-TI Spice Model
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模擬型號

LMR36506R PSpice Unencrypted Transient Model

SNVMBW4.ZIP (166 KB) - PSpice Model
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模擬型號

LMR36506R3 PSpice Unencrypted Transient Model

SNVMBW5.ZIP (151 KB) - PSpice Model
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模擬型號

LMR36506R5 PSpice Unencrypted Transient Model

SNVMC50.ZIP (232 KB) - PSpice Model
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模擬型號

LMR36506RF PSpice Unencrypted Transient Model

SNVMBW6.ZIP (159 KB) - PSpice Model
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模擬型號

LMR36506RF3 PSpice Unencrypted Transient Model

SNVMC51.ZIP (231 KB) - PSpice Model
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VQFN-HR (RPE) 9 Ultra Librarian
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