Overview
The LMZ31710RVQR from Texas Instruments is a 10-A power module designed for high-efficiency and compact point-of-load (POL) power solutions. This module integrates a DC/DC converter, power MOSFETs, a shielded inductor, and necessary passives into a small, low-profile QFN package. The device is pin-compatible with the LMZ31707 and LMZ31704, making it a versatile option for various applications. With its 10-mm x 10-mm x 4.3-mm package, it is ideal for space-constrained designs and offers ease of soldering onto a printed circuit board.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range (PVIN) | 2.95 V to 17 V |
| Output Voltage Range (VOUT) | 0.6 V to 5.5 V |
| Output Current | Up to 10 A |
| Switching Frequency | 200 kHz to 1.2 MHz |
| Efficiency | Up to 95% |
| Package Size | 10 mm x 10 mm x 4.3 mm (QFN-42) |
| Operating Temperature Range | -40°C to +85°C |
| Thermal Impedance | 13.3°C/W |
Key Features
- Small footprint, low-profile design in a 10-mm x 10-mm x 4.3-mm QFN package.
- Pin-compatible with LMZ31707 and LMZ31704.
- Efficiencies up to 95% with Eco-Mode™ and light load efficiency (LLE).
- Wide output voltage adjustment from 0.6 V to 5.5 V with 1% reference accuracy.
- Supports parallel operation for higher current and optional split power rail.
- Adjustable switching frequency (200 kHz to 1.2 MHz) and synchronization to an external clock.
- Provides 180° out-of-phase clock signal and adjustable slow start.
- Output voltage sequencing and prebias output start-up.
- Overcurrent and overtemperature protection.
- Meets EN55022 Class B emissions standards.
- Integrated shielded inductor.
Applications
- Broadband and communications infrastructure.
- Automated test and medical equipment.
- Compact PCI/PCI Express systems.
Q & A
- What is the input voltage range of the LMZ31710RVQR?
The input voltage range is from 2.95 V to 17 V. - What is the maximum output current of the LMZ31710RVQR?
The maximum output current is up to 10 A. - What is the efficiency of the LMZ31710RVQR?
The efficiency can be up to 95%. - What is the package size of the LMZ31710RVQR?
The package size is 10 mm x 10 mm x 4.3 mm (QFN-42). - What is the operating temperature range of the LMZ31710RVQR?
The operating temperature range is from -40°C to +85°C. - Does the LMZ31710RVQR support parallel operation?
Yes, it supports parallel operation for higher current. - Can the switching frequency of the LMZ31710RVQR be adjusted?
Yes, the switching frequency can be adjusted from 200 kHz to 1.2 MHz. - Does the LMZ31710RVQR have overcurrent and overtemperature protection?
Yes, it has both overcurrent and overtemperature protection. - What are some common applications of the LMZ31710RVQR?
Common applications include broadband and communications infrastructure, automated test and medical equipment, and Compact PCI/PCI Express systems. - Is the LMZ31710RVQR compliant with any specific emissions standards?
Yes, it meets EN55022 Class B emissions standards.
