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  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:直流/直流开关稳压器 - 降压稳压器
  • 功能描述:具有 20V 最大输入电压的 2A SIMPLE SWITCHER 电源模块,用于军事和坚固耐用的应用
  • 点击这里打开及下载LMZ12002EXT的技术文档资料
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The LMZ12002EXT SIMPLE SWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 2A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ12002EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12002EXT can accept an input voltage rail between 4.5V and 20V and deliver an adjustable and highly accurate output voltage as low as 0.8V. The LMZ12002EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ12002EXT is a reliable and robust design with the following protection features: thermal shutdown, input under-voltage lockout, output over-voltage protection, short-circuit protection, output current limit, and allows startup into a pre-biased output. A single resistor adjusts the switching frequency up to 1 MHz.

Electrical Specifications

  • 12W maximum total power output
  • Up to 2A output current
  • Input voltage range 4.5V to 20V
  • Output voltage range 0.8V to 6V
  • Efficiency up to 92%

  • Key Features

  • -55°C to 125°C junction temperature range
  • Integrated shielded inductor
  • Simple PCB layout
  • Flexible startup sequencing using external soft-start capacitor and precision enable
  • Protection against inrush currents and faults such as input UVLO and output short circuit
  • Single exposed pad and standard pinout for easy mounting and manufacturing
  • Fast transient response for FPGAs and ASICs
  • Low output voltage ripple
  • Pin-to-pin compatible family:

  • LMZ14203EXT/2EXT/1EXT (42V max 3A, 2A, 1A)

  • LMZ14203/2/1 (42V max 3A, 2A, 1A)

  • LMZ12003/2/1 (20V max 3A, 2A, 1A)
  • Fully Webench® Power Designer enabled

  • LMZ12002EXT的优势和特性:
    • Iout (Max) (A)
    • 2
    • Vin (Min) (V)
    • 4.5
    • Vin (Max) (V)
    • 20
    • Vout (Min) (V)
    • 0.8
    • Vout (Max) (V)
    • 6
    • Soft start
    • Adjustable
    • Features
    • EMI Tested, Enable, Tracking
    • Iq (Typ) (uA)
    • 1000
    • Regulated outputs (#)
    • 1
    • Switching frequency (Max) (kHz)
    • 1000
    • Switching frequency (Min) (kHz)
    • 200
    • Duty cycle (Max) (%)
    • 85
    • Topology
    • Buck, Synchronous Buck


    LMZ12002EXTTZ/NOPB,工作温度:-55 to 125,封装:TO-PMOD (NDW)-7,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LMZ12002EXTTZ/NOPB的批量USD价格:12.454(1000+)

    LMZ12002EXTTZE/NOPB,工作温度:-55 to 125,封装:TO-PMOD (NDW)-7,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LMZ12002EXTTZE/NOPB的批量USD价格:12.454(1000+)

    LMZ12002EXTTZX/NOPB,工作温度:-55 to 125,封装:TO-PMOD (NDW)-7,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LMZ12002EXTTZX/NOPB的批量USD价格:10.454(1000+)


    LMZ12002EXTEVAL — Simple Switcher® 电源模块 20V 输入电压、2A 扩展温度评估板

    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 (...)

    LMZ12002EXT PSpice Transient Model

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