Overview
The LMZ22005TZX/NOPB is a SIMPLE SWITCHER power module from Texas Instruments, designed to provide a reliable and robust step-down DC-DC solution. This module is capable of driving up to 5-A loads and is available in an innovative TO-PMOD (NDW) package that enhances thermal performance and allows for both hand and machine soldering. It can accept an input voltage range of 6 V to 20 V and deliver an adjustable output voltage as low as 0.8 V. The LMZ22005 is fully enabled for use with WEBENCH Power Designer and features a simple PCB layout, making it an efficient choice for various power supply needs.
Key Specifications
| Parameter | Specification |
|---|---|
| Input Voltage Range | 6 V to 20 V |
| Output Voltage Range | 0.8 V to 6 V |
| Maximum Output Current | Up to 5 A |
| Maximum Total Output Power | 30 W |
| Efficiency | Up to 92% |
| Switching Frequency Range | 650 kHz to 950 kHz |
| Operating Temperature Range | -40°C to 85°C |
| Junction Temperature Range | -40°C to 125°C |
| Package Type | TO-PMOD (NDW) with 7 pins |
Key Features
- 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
- Thermal shutdown, input undervoltage lockout, output overvoltage protection, and output current limit
- Single exposed pad for easy mounting and manufacturing
- Fast transient response for powering FPGAs and ASICs
- Fully enabled for WEBENCH Power Designer
- Pin compatible with LMZ23605, LMZ23603, and LMZ22003
- Low component count (only 5 external components required)
- Low output voltage ripple
- Uses PCB as heat sink, no airflow required
Applications
The LMZ22005TZX/NOPB is suitable for a variety of applications, including but not limited to:
- Powering FPGAs and ASICs due to its fast transient response
- Industrial and medical devices requiring high efficiency and reliability
- Telecommunication equipment where low noise and high efficiency are crucial
- Embedded systems and IoT devices needing compact and efficient power solutions
Q & A
- What is the input voltage range of the LMZ22005TZX/NOPB?
The input voltage range is 6 V to 20 V.
- What is the maximum output current of the LMZ22005TZX/NOPB?
The maximum output current is up to 5 A.
- What is the efficiency of the LMZ22005TZX/NOPB?
The efficiency is up to 92%.
- What are the protection features of the LMZ22005TZX/NOPB?
The protection features include thermal shutdown, input undervoltage lockout, output overvoltage protection, short circuit protection, and output current limit.
- Can the LMZ22005TZX/NOPB start up into a prebiased output?
- What is the switching frequency range of the LMZ22005TZX/NOPB?
The switching frequency range is 650 kHz to 950 kHz.
- How many external components are required to complete the power solution?
- Is the LMZ22005TZX/NOPB compatible with other Texas Instruments modules?
- What are the benefits of using the PCB as a heat sink?
- Is the LMZ22005TZX/NOPB suitable for powering FPGAs and ASICs?
