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LMZ22003 - 产品图解：
LMZ22003-具有 20V 最大输入电压的 3A SIMPLE SWITCHER? 电源模块
LMZ22003-非隔离式模块-电源模块-电源管理
LMZ22003-LMZ22003 3-A SIMPLE SWITCHER? Power Module With 20-V Maximum Input Voltage
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TI产品 - LMZ22003介绍

LMZ22003 - 具有 20V 最大输入电压的 3A SIMPLE SWITCHER? 电源模块

LMZ22003是TI德州仪器公司的一款非隔离式模块产品，LMZ22003是具有 20V 最大输入电压的 3A SIMPLE SWITCHER? 电源模块，本站介绍了LMZ22003的封装应用图解、特点和优点、功能等，并给出了与LMZ22003相关的TI元器件型号供参考。

LMZ22003 - 具有 20V 最大输入电压的 3A SIMPLE SWITCHER? 电源模块 - 非隔离式模块 - 电源模块 - 德州仪器

产品特性
  • Integrated Shielded Inductor
  • Simple PCB Layout
  • Frequency Synchronization Input (650 kHz to 950 kHz)
  • Flexible Start-up Sequencing Using External Soft-Start, Tracking and Precision Enable
  • Protection Against Inrush Currents and Faults such as Input UVLO and Output Short Circuit
  • Junction Temperature Range –40°C to 125°C
  • Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
  • Fast Transient Response for Powering FPGAs and ASICs
  • Fully Enabled for WEBENCH® Power Designer
  • Pin Compatible With LMZ23605/LMZ23603/LMZ22005
  • Electrical Specifications
    • 18-W Maximum Total Output Power
    • Up to 3-A Output Current
    • Input Voltage Range 6 V to 20 V
    • Output Voltage Range 0.8 V to 6 V
    • Efficiency up to 92%
  • Performance Benefits
    • High Efficiency Reduces System Heat Generation
    • Tested To EN55022 Class B(1)
    • Low Component Count, Only 5 External Components
    • Low Output Voltage Ripple
    • Uses PCB as Heat Sink, No Airflow Required
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See AN-2125 SNVA473 and layout for information on device under test. Vin = 12 V, Vo = 3.3 V, Io = 3 A
产品应用
  • Point-of-load Conversions from 12-V Input Rail
  • Time-Critical Projects
  • Space Constrained and High Thermal Requirement Applications
  • Negative Output Voltage Applications (See AN-2027 SNVA425)
产品说明

The LMZ22003 SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load. The LMZ22003 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ22003 can accept an input voltage rail between 6 V and 20 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ22003 only requires two external resistors and three external capacitors to complete the power solution. The LMZ22003 is a reliable and robust design with the following protection features: thermal shutdown, programmable input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and this device allows start-up into a prebiased output. The sync input allows synchronization over the 650- to 950-kHz switching frequency range.

Device Information(1)(2)
PART NUMBERPACKAGEBODY SIZE (NOM)
LMZ22003NDW (7)10.16 mm × 9.85 mm
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