Overview
The LMZ14202TZX-ADJ/NOPB is a SIMPLE SWITCHER power module from Texas Instruments, designed as an easy-to-use step-down DC-DC converter. This module can drive up to 2-A load with exceptional power conversion efficiency, line and load regulation, and output accuracy. It operates within an input voltage range of 6 V to 42 V and can deliver an adjustable output voltage as low as 0.8 V. The module is packaged in a TO-PMOD (NDW) package, enhancing thermal performance and allowing for both hand and machine soldering. It features a robust design with multiple protection mechanisms, including thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, and output current limit. The LMZ14202 is fully enabled for use with the WEBENCH Power Designer tool, making it a versatile and efficient solution for various power supply needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 6 to 42 | V |
| Output Voltage Range | 0.8 to 6 | V |
| Maximum Output Current | Up to 2 | A |
| Maximum Total Output Power | 12 | W |
| Efficiency | Up to 90% | % |
| Junction Temperature Range | -40 to 125 | °C |
| Package Type | TO-PMOD (NDW) | |
| Number of Pins | 7 | |
| Operating Temperature Range | -40 to 125 | °C |
Key Features
- Integrated Shielded Inductor: Simplifies the PCB layout and enhances thermal performance.
- Simple PCB Layout: Requires only three external resistors and four external capacitors to complete the power solution.
- Flexible Start-Up Sequencing: Allows start-up into a prebiased output and features external soft-start and precision enable.
- Protection Features: Includes thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, and output current limit.
- High Efficiency and Low EMI: Operates with high efficiency, reducing system heat generation, and has low radiated emissions tested with EN55022 Class B standard.
- Low External Component Count: Minimizes the number of external components required, making it a compact solution.
- Fast Transient Response: Suitable for powering FPGAs and ASICs with low output voltage ripple.
- Pin-to-Pin Compatibility: Compatible with other LMZ series modules, such as LMZ14203/2/1 and LMZ12003/2/1.
Applications
The LMZ14202TZX-ADJ/NOPB is suitable for a variety of applications that require efficient and reliable DC-DC conversion. Some key applications include:
- Powering FPGAs and ASICs: Its fast transient response and low output voltage ripple make it ideal for powering high-performance digital ICs.
- Industrial and Medical Equipment: The module's high efficiency and robust protection features make it a reliable choice for industrial and medical devices.
- Communication Systems: It can be used in communication systems where high ambient temperatures and high reliability are critical).
- Automotive Systems: The wide input voltage range and high temperature operation make it suitable for automotive applications).
Q & A
- What is the input voltage range of the LMZ14202TZX-ADJ/NOPB?
The input voltage range is from 6 V to 42 V.
- What is the maximum output current of the LMZ14202TZX-ADJ/NOPB?
The maximum output current is up to 2 A.
- What is the efficiency of the LMZ14202TZX-ADJ/NOPB?
The efficiency is up to 90%.
- What protection features does the LMZ14202TZX-ADJ/NOPB have?
The module includes thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, and output current limit.
- Can the LMZ14202TZX-ADJ/NOPB start up into a prebiased output?
Yes, it can start up into a prebiased output.
- What is the junction temperature range of the LMZ14202TZX-ADJ/NOPB?
The junction temperature range is from -40°C to 125°C.
- What package type is the LMZ14202TZX-ADJ/NOPB available in?
The module is available in a TO-PMOD (NDW) package.
- How many external components are required to complete the power solution?
Only three external resistors and four external capacitors are required.
- Is the LMZ14202TZX-ADJ/NOPB compatible with other LMZ series modules?
Yes, it is pin-to-pin compatible with other LMZ series modules such as LMZ14203/2/1 and LMZ12003/2/1.
- What tool is the LMZ14202TZX-ADJ/NOPB fully enabled for?
The module is fully enabled for use with the WEBENCH Power Designer tool.
