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DC/DC 電源模組
電源模組 (整合式電感器)

LMZ14201

現行

採用引腳表面安裝 TO 封裝的 SIMPLE SWITCHER® 6V 至 42V、1A 電源模組

立即訂購
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裝置不同
TPSM5601R5H 現行 採用增強型 HotRod™ QFN 封裝的 60-V 輸入、1-V 至 16-V 輸出、1.5-A 電源模組 Smaller QFN packaging
TPSM63602 現行 採用 4-mm x 6-mm x 1.8-mm 封裝的 3V 至 36V 輸入、1V 至 16V 輸出、2A 降壓模組 Smaller QFN packaging designed for low EMI.

LMZ14201

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, Inverting Buck-Boost, Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 6 Vin (max) (V) 42 Vout (min) (V) 0.8 Vout (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features EMI Tested, Enable, Tracking Control mode Constant on-time (COT) Duty cycle (max) (%) 92.5
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Inverting Buck-Boost, Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 6 Vin (max) (V) 42 Vout (min) (V) 0.8 Vout (max) (V) 6 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 1000 Features EMI Tested, Enable, Tracking Control mode Constant on-time (COT) Duty cycle (max) (%) 92.5
TO-PMOD (NDW) 7 139.9032 mm² 10.16 x 13.77
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-Up Sequencing Using External Soft-
    Start and Precision Enable
  • Protection Against Inrush Currents and Faults
    Such as Input UVLO and Output Short Circuit
  • –40°C to 125°C Junction
    Temperature Range
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible Family:
    • LMZ1420x (42 V Maximum 3 A, 2 A, 1 A)
    • LMZ1200x (20 V Maximum 3 A, 2 A, 1 A)
  • Fully Enabled for WEBENCH Power Designer
  • Electrical Specifications
    • 6-W Maximum Total Output Power
    • Up to 1-A Output Current
    • Input Voltage Range 6 V to 42 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 90%
  • Performance Benefits
    • Operates at High Ambient Temperature With
      No Thermal Derating
    • High Efficiency Reduces System Heat Generation
    • Low Radiated Emissions (EMI) Tested
      With EN55022 Class B Standard
    • Low External Component Count
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Flexible Start-Up Sequencing Using External Soft-
    Start and Precision Enable
  • Protection Against Inrush Currents and Faults
    Such as Input UVLO and Output Short Circuit
  • –40°C to 125°C Junction
    Temperature Range
  • Single Exposed Pad and Standard Pinout for Easy
    Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs
    and ASICs
  • Low Output Voltage Ripple
  • Pin-to-Pin Compatible Family:
    • LMZ1420x (42 V Maximum 3 A, 2 A, 1 A)
    • LMZ1200x (20 V Maximum 3 A, 2 A, 1 A)
  • Fully Enabled for WEBENCH Power Designer
  • Electrical Specifications
    • 6-W Maximum Total Output Power
    • Up to 1-A Output Current
    • Input Voltage Range 6 V to 42 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 90%
  • Performance Benefits
    • Operates at High Ambient Temperature With
      No Thermal Derating
    • High Efficiency Reduces System Heat Generation
    • Low Radiated Emissions (EMI) Tested
      With EN55022 Class B Standard
    • Low External Component Count

The LMZ14201 SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution that can drive up to 1-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14201 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14201 can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14201 only requires three external resistors and four external capacitors to complete the power solution. The LMZ14201 is a reliable and robust design with the following protection features: thermal shutdown, input UVLO, output overvoltage protection, short-circuit protection, output current limit, and allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

The LMZ14201 SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution that can drive up to 1-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14201 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14201 can accept an input voltage rail between 6 V and 42 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14201 only requires three external resistors and four external capacitors to complete the power solution. The LMZ14201 is a reliable and robust design with the following protection features: thermal shutdown, input UVLO, output overvoltage protection, short-circuit protection, output current limit, and allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.
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技術文件

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類型 標題 日期
* Data sheet LMZ14201 SIMPLE SWITCHER® 6V to 42V, 1A Power Module in Leaded SMT-TO Package datasheet (Rev. I) PDF | HTML 2015年 9月 3日
Selection guide Innovative DC/DC Power Modules Selection Guide (Rev. D) 2021年 10月 14日
Application note Practical Thermal Design With DC/DC Power Modules (Rev. A) 2019年 11月 20日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
White paper Simplify low EMI design with power modules 2017年 11月 20日
White paper Benefits and trade-offs of various power-module package options 2017年 8月 2日
White paper Comparing the Merits of Integrated Power Modules versus Discrete Regulators (Rev. B) 2016年 9月 15日
Application note Design Summary LMZ1xxx and LMZ2xxx Power Module Family (Rev. B) 2016年 1月 20日
Application note AN-2027 Inverting Application for the LMZ14203 SIMPLE SWITCHER Power Module (Rev. A) 2013年 5月 6日
EVM User's guide AN-2024 LMZ1420x / LMZ1200x Evaluation Board (Rev. E) 2013年 4月 24日
Application note AN-2026 Effect of PCB Design on Thermal Performance of SIMPLE SWITCHER Modules (Rev. A) 2013年 4月 23日
Application note AN-2052 Texas Instruments SIMPLE SWITCHER Power Modules and EMI (Rev. C) 2013年 4月 23日
Application note AN-2078 PCB Layout for Texas Instruments SIMPLE SWITCHER Power Modules (Rev. A) 2013年 4月 23日
More literature SIMPLE SWITCHER® Power Modules for Broadcast Video 2012年 4月 2日
More literature SIMPLE SWITCHER® Power Modules for Communications Infrastructure 2012年 4月 2日
More literature SIMPLE SWITCHER® Power Modules for Factory Automation 2012年 4月 2日
More literature SIMPLE SWITCHER® Power Modules for Medical 2012年 4月 2日
More literature SIMPLE SWITCHER® Power Modules for Military 2012年 4月 2日
More literature SIMPLE SWITCHER® Power Modules for Test and Measurement 2012年 4月 2日
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 2005年 7月 12日

設計與開發

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開發板

LMZ14201EVAL — Simple Switcher® 電源模組 42V 輸入、1A 評估板

The SIMPLE SWITCHER power module evaluation board is optimized for peak performance and increased flexibility. By incorporating additional ceramic and an aluminum filter capacitor, the power module EVAL board demonstrates the low output ripple, fast transient response, and low conducted and (...)

使用指南: PDF
TI.com 無法提供
模擬型號

LMZ14201 Unencrypted PSpice Transient Model

SNVM762.ZIP (3 KB) - PSpice Model
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模擬型號

LMZ14201 Unencrypted PSpice Transient Model Package (Rev. A)

SNVM200A.ZIP (276 KB) - PSpice Model
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計算工具

LMZ1X-LMZXEXTDESIGN-CALC — LMZ1x/EXT 熱電阻估計

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