LMZ14203EXT - 具有 42V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用

LMZ14203EXT是TI德州仪器公司的一款非隔离式模块产品，LMZ14203EXT是具有 42V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用，本站介绍了LMZ14203EXT的封装应用图解、特点和优点、功能等，并给出了与LMZ14203EXT相关的TI元器件型号供参考。

LMZ14203EXT - 具有 42V 最大输入电压的 3A SIMPLE SWITCHER 电源模块，用于军事和坚固耐用的应用 - 非隔离式模块 - 电源模块 - 德州仪器

产品特性

Junction Temperature Range –55°C to 125°C
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
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 With Family Devices:
- LMZ14203EXT/2EXT/1EXT (42-V Maximum 3 A, 2 A, 1 A)
- LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
- LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
Fully Enabled for WEBENCH® Power Designer
Electrical Specifications:
- 18-W Maximum Total Output Power
- Up to 3-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:
- Low Radiated Emissions and High Radiated Immunity
- Passes vibration Standard MIL-STD-883 Method 2007.2 Condition A JESD22–B103B Condition 1
- Passes Drop Standard MIL-STD-883 Method 2002.3 Condition B JESD22–B110 Condition B

产品应用

Point-of-load Conversions from 12-V and 24-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 LMZ14203EXT SIMPLESWITCHER® power module is an easy-to-use step-down DC-DC solution capable of driving up to 3-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. The LMZ14203EXT is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

The LMZ14203EXT can accept an input voltage rail between 6 V and 42 V and can deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ14203EXT only requires three external resistors and four external capacitors to complete the power solution. The LMZ14203EXT is a reliable and robust design with the following protection features: thermal shutdown, input undervoltage lockout, output overvoltage protection, short circuit protection, output current limit, and the device allows start-up into a prebiased output. A single resistor adjusts the switching frequency up to 1 MHz.

Device Information(1)(2)

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMZ14203EXT	TO-PMOD (7)	10.16 mm × 9.85 mm

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