Overview
The LMZ22010TZE/NOPB is a SIMPLE SWITCHER® power module from Texas Instruments, designed to provide a high-efficiency, easy-to-use step-down DC-DC solution. This module is capable of driving up to 10-A load and is available in an innovative package that enhances thermal performance. It supports input voltages from 6 V to 20 V and can deliver an adjustable output voltage as low as 0.8 V. The LMZ22010 features a range of protection mechanisms, including thermal shutdown, programmable input under-voltage lockout, output over-voltage protection, and short-circuit protection, making it a reliable choice for various applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 6 | - | 20 | V |
| Output Voltage Range | 0.8 | - | 6 | V |
| Maximum Output Current | - | - | 10 | A |
| Maximum Total Output Power | - | - | 50 | W |
| Efficiency | - | 87.5% (full load), 89.5% (peak) | - | % |
| Junction Temperature Range | -40 | - | 125 | °C |
| Switching Frequency Range | 314 kHz | 359 kHz (typical) | 600 kHz | kHz |
| Package Type | - | - | TO-PMOD-11 | - |
| Body Size | - | - | 15.00 mm × 15.00 mm | - |
Key Features
- Protection against inrush currents and faults, including input UVLO and output short circuit protection.
- Frequency synchronization input (314 kHz to 600 kHz) for synchronizing the PWM operating frequency.
- Current sharing capability for higher current applications.
- Flexible start-up sequencing using external soft-start, tracking, and precision enable.
- High efficiency, reducing system heat generation, with peak efficiency up to 92%.
- Low radiated emissions (EMI) tested to EN55022.
- No external heat sink required.
- Simple current sharing for higher current applications.
- Pin compatible with other LMZ series modules (e.g., LMZ22008/06, LMZ12010/08/06).
- Fully enabled for WEBENCH® Power Designer for easy design and simulation.
Applications
The LMZ22010TZE/NOPB is suitable for a variety of applications where high efficiency, reliability, and thermal performance are critical. These include:
- Space-constrained and high thermal requirement applications.
- Negative output voltage applications.
- Systems requiring high current output up to 10 A.
- Applications needing flexible start-up sequencing and current sharing.
- EMI-sensitive environments due to its low radiated emissions.
Q & A
- What is the input voltage range of the LMZ22010TZE/NOPB?
The input voltage range is from 6 V to 20 V.
- What is the maximum output current of the LMZ22010TZE/NOPB?
The maximum output current is up to 10 A.
- What is the efficiency of the LMZ22010TZE/NOPB?
The efficiency can be up to 92% peak and 87.5% at full load.
- Does the LMZ22010TZE/NOPB require an external heat sink?
No, it does not require an external heat sink.
- What are the key protection features of the LMZ22010TZE/NOPB?
Key protection features include thermal shutdown, programmable input under-voltage lockout, output over-voltage protection, and short-circuit protection.
- Can the LMZ22010TZE/NOPB be synchronized with an external frequency source?
- Is the LMZ22010TZE/NOPB compatible with other LMZ series modules?
- What is the junction temperature range of the LMZ22010TZE/NOPB?
The junction temperature range is from -40°C to 125°C.
- How many external components are required to complete the power solution?
- Is the LMZ22010TZE/NOPB supported by WEBENCH Power Designer?
