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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 Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 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 Vout (min) (V) 1 Vout (max) (V) 60 Iq (typ) (µA) 4 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 150 Topology Buck Type Converter Iout (max) (A) 0.6 Vin (min) (V) 3 Vin (max) (V) 65 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 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 Vout (min) (V) 1 Vout (max) (V) 60 Iq (typ) (µA) 4 Duty cycle (max) (%) 98
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 70 V
    • Wide input voltage range: 3.0 V (falling threshold) to 65 V
    • Low EMI and minimized switch node ringing
    • Adjustable fixed output voltage options available
  • Suited for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65 V, 300 mA)
    • Adjustable switching frequency: 200 kHz to 2.2 MHz with RT pin variant
  • Minimized solution size and cost:
    • Highest power density with internal compensation and reduced external component count
    • Ultra-small, 2-mm × 2-mm HotRod™ package with wettable flanks
  • High efficiency across load range with low power dissipation:
    • 93% peak efficiency at 400 kHz (12 VIN, 3.3 VOUT fixed)
    • 90% peak efficiency at 400 kHz (24 VIN, 3.3 VOUT fixed)
  • Ultra-low operating quiescent current at no load
    • 4 µA 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 70 V
    • Wide input voltage range: 3.0 V (falling threshold) to 65 V
    • Low EMI and minimized switch node ringing
    • Adjustable fixed output voltage options available
  • Suited for scalable industrial power supplies:
    • Pin compatible with LMR36503 (65 V, 300 mA)
    • Adjustable switching frequency: 200 kHz to 2.2 MHz with RT pin variant
  • Minimized solution size and cost:
    • Highest power density with internal compensation and reduced external component count
    • Ultra-small, 2-mm × 2-mm HotRod™ package with wettable flanks
  • High efficiency across load range with low power dissipation:
    • 93% peak efficiency at 400 kHz (12 VIN, 3.3 VOUT fixed)
    • 90% peak efficiency at 400 kHz (24 VIN, 3.3 VOUT fixed)
  • Ultra-low operating quiescent current at no load
    • 4 µA 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 65 V, 0.6 A synchronous step-down DC/DC converter in 2-mm × 2-mm HotRod package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V 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 200 kHz to 2.2 MHz. 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 solution size and rich feature set of LMR36506 simplifies implementation for a wide range of industrial applications.

The LMR36506 is the industry’s smallest 65 V, 0.6 A synchronous step-down DC/DC converter in 2-mm × 2-mm HotRod package. This easy-to-use converter can handle input voltage transients up to 70 V, provide excellent EMI performance and support fixed 3.3 V 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 200 kHz to 2.2 MHz. 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 solution 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 3-V to 65-V, 0.6-AUltra-Small Synchronous Buck Converter with 4 µA IQ datasheet (Rev. B) PDF | HTML 2022年 12月 16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
EVM User's guide LMR36506RREVM User’s Guide 2019年 4月 3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

The LMR36506RREVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36506 synchronous step-down converter.
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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