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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LMR36510

現行

具有 26-uA IQ 的 SIMPLE SWITCHER® 4.2-V 至 65-V、1-A 同步降壓轉換器

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產品規格表

LMR36510

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 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 4.2 Vin (max) (V) 65 Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, UVLO Fixed Control mode current mode Vout (min) (V) 1 Vout (max) (V) 62 Iq (typ) (µA) 26 Duty cycle (max) (%) 98
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1 Vin (min) (V) 4.2 Vin (max) (V) 65 Switching frequency (min) (kHz) 340 Switching frequency (max) (kHz) 460 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, UVLO Fixed Control mode current mode Vout (min) (V) 1 Vout (max) (V) 62 Iq (typ) (µA) 26 Duty cycle (max) (%) 98
HSOIC (DDA) 8 29.4 mm² 4.9 x 6
  • Designed for reliable and rugged applications
    • Input transient protection up to 70 V
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Well-suited for scalable industrial power supplies
    • Pin compatible with:
    • Internal compensation helps reduce solution size, cost and design complexity
    • 400-kHz frequency
  • Wide conversion range
    • Input voltage range: 4.2 V to 65 V
    • Output voltage range: 1 V to 95% of VIN
  • Low-power dissipation across load spectrum
    • 90% efficiency: 24 VIN, 5 VOUT, 1 A at 400 kHz
    • Increased light-load efficiency in PFM mode
    • Low operating quiescent current of 26 µA
  • Power-good output with filter and delayed release
  • Designed for reliable and rugged applications
    • Input transient protection up to 70 V
    • Protection features: thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, hiccup short-circuit protection
  • Well-suited for scalable industrial power supplies
    • Pin compatible with:
    • Internal compensation helps reduce solution size, cost and design complexity
    • 400-kHz frequency
  • Wide conversion range
    • Input voltage range: 4.2 V to 65 V
    • Output voltage range: 1 V to 95% of VIN
  • Low-power dissipation across load spectrum
    • 90% efficiency: 24 VIN, 5 VOUT, 1 A at 400 kHz
    • Increased light-load efficiency in PFM mode
    • Low operating quiescent current of 26 µA
  • Power-good output with filter and delayed release

The LMR36510 regulator is an easy-to-use, synchronous, step-down DC/DC SIMPLE SWITCHER converter. With integrated high-side and low-side power MOSFETs, output current up to 1 A is delivered over a wide input voltage range of 4.2 V to 65 V. The transient tolerance that goes up to 70 V reduces the solution size and cost to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36510 uses peak-current mode control to provide optimal efficiency and output voltage accuracy. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status, eliminating the requirement for an external supervisor.

Integration and internal compensation eliminates many external components and provides a pinout designed for a simple PCB layout. The feature set of the device is designed to simplify implementation for a wide range of end equipment. The LMR36510 is pin-to-pin compatible with the LMR36520 (65 V, 2 A) and LMR33610, LMR33620, LMR33630 and LMR33640 (36 V, 1 A/2 A/3 A/4 A), completing the latest family of SIMPLE SWITCHER converters. This increases the ease of use and scalability of wide Vin converters across various commonly used voltage and current ratings without having the need to redesign the board layout. As a result, the overall cost, design effort and time to market are optimized.

The LMR36510 is in an 8-pin HSOIC package.

The LMR36510 regulator is an easy-to-use, synchronous, step-down DC/DC SIMPLE SWITCHER converter. With integrated high-side and low-side power MOSFETs, output current up to 1 A is delivered over a wide input voltage range of 4.2 V to 65 V. The transient tolerance that goes up to 70 V reduces the solution size and cost to protect against overvoltages and meets the surge immunity requirements of IEC 61000-4-5.

The LMR36510 uses peak-current mode control to provide optimal efficiency and output voltage accuracy. Precision enable gives flexibility by enabling a direct connection to the wide input voltage or precise control over device start-up and shutdown. The power-good flag, with built-in filtering and delay, offers a true indication of system status, eliminating the requirement for an external supervisor.

Integration and internal compensation eliminates many external components and provides a pinout designed for a simple PCB layout. The feature set of the device is designed to simplify implementation for a wide range of end equipment. The LMR36510 is pin-to-pin compatible with the LMR36520 (65 V, 2 A) and LMR33610, LMR33620, LMR33630 and LMR33640 (36 V, 1 A/2 A/3 A/4 A), completing the latest family of SIMPLE SWITCHER converters. This increases the ease of use and scalability of wide Vin converters across various commonly used voltage and current ratings without having the need to redesign the board layout. As a result, the overall cost, design effort and time to market are optimized.

The LMR36510 is in an 8-pin HSOIC package.

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類型 標題 日期
* Data sheet LMR36510 SIMPLE SWITCHER 4.2-V to 65-V, 1-A Synchronous Step-down Converter datasheet (Rev. A) PDF | HTML 2020年 1月 30日
Selection guide Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
Technical article How to increase system reliability and simplify design using DC/DC converters PDF | HTML 2016年 6月 13日
Technical article Advantages of leaded packages in robust industrial designs PDF | HTML 2016年 3月 8日

設計與開發

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開發板

LMR36520AEVM — 具 26-uA IQ 評估模組的 SIMPLE SWITCHER® 4.2-V 至 65-V、2-A 同步降壓轉換器

The LMR36520AEVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LMR36520 synchronous step-down converter.

使用指南: PDF
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模擬型號

LMR36510A PSpice Unencrypted Transient Model (Rev. A)

SNVMBX9A.ZIP (174 KB) - PSpice Model
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模擬型號

LMR36510FA PSpice Unencrypted Transient Model

SNVMBY0.ZIP (174 KB) - PSpice Model
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