Overview
The LMZ14203HTZX/NOPB is a SIMPLE SWITCHER® power module from Texas Instruments, designed as an easy-to-use step-down DC-DC solution. This module can drive up to 3-A loads 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 and highly accurate output voltage as low as 5 V. The module features an innovative package that enhances thermal performance and allows for both hand and machine soldering.
Key Specifications
| Specification | Value |
|---|---|
| Input Voltage Range | 6 V to 42 V |
| Output Current | Up to 3 A |
| Output Voltage | As low as 5 V |
| Efficiency | Up to 97% |
| Switching Frequency | Up to 1 MHz (adjustable with a single resistor) |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | TO-PMOD (NDW) with 7 pins |
| Package Quantity | Carrier 45 (TUBE) or Carrier 250 (SMALL T&R) |
Key Features
- Integrated Shielded Inductor
- Simple PCB Layout
- Flexible Start-Up Sequencing Using External Soft-Start and Precision Enable
- Protection Against Inrush Currents
- Input UVLO and Output Short-Circuit Protection
- Thermal Shutdown, Output Overvoltage Protection, and Output Current Limit
- Single Exposed Pad and Standard Pinout for Easy Mounting and Manufacturing
- Low Output Voltage Ripple
- Pin-to-Pin Compatible Family: LMZ14203H/2H/1H, LMZ14203/2/1, LMZ12003/2/1
- Fully Enabled for WEBENCH® Power Designer
- High Efficiency Reduces System Heat Generation
- Low Radiated EMI (EN 55022 Class B Tested)
- No Compensation Required
- Low Package Thermal Resistance
Applications
The LMZ14203HTZX/NOPB is suitable for a wide range of applications requiring high-efficiency DC-DC conversion, such as industrial control systems, medical devices, telecommunications equipment, and other electronic systems that demand reliable and efficient power management.
Q & A
- What is the input voltage range of the LMZ14203HTZX/NOPB?
The input voltage range is 6 V to 42 V. - What is the maximum output current of the LMZ14203HTZX/NOPB?
The maximum output current is up to 3 A. - What is the minimum output voltage that can be achieved with the LMZ14203HTZX/NOPB?
The minimum output voltage is as low as 5 V. - What are the key protection features of the LMZ14203HTZX/NOPB?
The key protection features include thermal shutdown, input undervoltage lockout, output overvoltage protection, short-circuit protection, and output current limit. - How does the LMZ14203HTZX/NOPB enhance thermal performance?
The module features an innovative package with low package thermal resistance and a single exposed pad for easy mounting and manufacturing. - Is the LMZ14203HTZX/NOPB compatible with other modules in the series?
Yes, it is pin-to-pin compatible with other modules in the LMZ14203H/2H/1H, LMZ14203/2/1, and LMZ12003/2/1 families. - What is the operating temperature range of the LMZ14203HTZX/NOPB?
The operating temperature range is -40°C to 125°C. - How many external components are required to complete the power solution?
The module requires three external resistors and four external capacitors. - Can the switching frequency of the LMZ14203HTZX/NOPB be adjusted?
Yes, the switching frequency can be adjusted up to 1 MHz using a single resistor. - Is the LMZ14203HTZX/NOPB tested for EMI compliance?
Yes, it is tested for low radiated EMI and complies with EN 55022 Class B.
