Overview
The LMZ14202EXTTZ/NOPB is a 2A SIMPLE SWITCHER power module from Texas Instruments, designed to provide an easy-to-use step-down DC-DC solution. This module is capable of driving up to 2-A loads with exceptional power conversion efficiency, line and load regulation, and output accuracy. It is available in an innovative TO-PMOD (NDW) package with 7 pins, enhancing thermal performance and allowing for both hand and machine soldering. The LMZ14202EXTTZ/NOPB can accept an input voltage range of 6 V to 42 V and deliver an adjustable output voltage as low as 0.8 V.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TO-PMOD (NDW) with 7 pins |
| Operating Temperature Range (°C) | -55 to 125 |
| Input Voltage Range (V) | 6 to 42 |
| Output Voltage Range (V) | 0.8 to 6 |
| Maximum Output Current (A) | 2 |
| Maximum Total Output Power (W) | 12 |
| Efficiency | Up to 90% |
| Switching Frequency Range (kHz) | 200 to 1000 |
| Duty Cycle (Max %) | 92.5 |
| Topology | Buck, Inverting Buck-Boost, Synchronous Buck |
| Control Mode | Constant on-time (COT) |
Key Features
- 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, LMZ14203/2/1, LMZ12003/2/1
- Fully Enabled for WEBENCH® Power Designer
- Low Radiated Emissions and High Radiated Immunity
- Passes Vibration Standard MIL-STD-883 Method 2007.2 Condition A JESD22B103B Condition 1
- Passes Drop Standard MIL-STD-883 Method 2002.3 Condition B JESD22–B110 Condition B
Applications
The LMZ14202EXTTZ/NOPB is designed for military and rugged applications, making it suitable for use in harsh environments. It is ideal for powering FPGAs, ASICs, and other high-current devices that require fast transient response and low output voltage ripple. Additionally, its robust design and protection features make it a reliable choice for various industrial and automotive applications.
Q & A
- What is the maximum input voltage of the LMZ14202EXTTZ/NOPB?
The maximum input voltage is 42 V.
- What is the maximum output current of the LMZ14202EXTTZ/NOPB?
The maximum output current is 2 A.
- What is the operating temperature range of the LMZ14202EXTTZ/NOPB?
The operating temperature range is -55°C to 125°C.
- What types of protection features does the LMZ14202EXTTZ/NOPB have?
The module includes thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, and output current limit.
- How many external components are required to complete the power solution?
The module requires three external resistors and four external capacitors.
- What is the switching frequency range of the LMZ14202EXTTZ/NOPB?
The switching frequency range is from 200 kHz to 1000 kHz.
- Is the LMZ14202EXTTZ/NOPB compatible with other family devices?
Yes, it is pin-to-pin compatible with LMZ14203EXT/2EXT/1EXT, LMZ14203/2/1, and LMZ12003/2/1.
- What are the benefits of using the LMZ14202EXTTZ/NOPB in terms of radiated emissions and immunity?
The module has low radiated emissions and high radiated immunity.
- Does the LMZ14202EXTTZ/NOPB meet any specific military standards?
Yes, it passes vibration standard MIL-STD-883 Method 2007.2 Condition A JESD22B103B Condition 1 and drop standard MIL-STD-883 Method 2002.3 Condition B JESD22–B110 Condition B.
- Is the LMZ14202EXTTZ/NOPB suitable for use in harsh environments?
Yes, it is designed for military and rugged applications, making it suitable for use in harsh environments.
