Overview
The LMZ31710RVQT from Texas Instruments is a highly integrated 10-A DC/DC power module designed for a wide range of applications. This module combines a DC/DC converter, power MOSFETs, a shielded inductor, and passives into a compact QFN package, measuring 10 mm x 10 mm x 4.3 mm. It offers high efficiency, up to 95%, and excellent thermal performance with a junction-to-ambient thermal resistance of 13.3°C/W. The LMZ31710RVQT is pin-compatible with the LMZ31707 and LMZ31704, making it a versatile choice for various power requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.95 - 17 | V |
| Output Voltage Range | 0.6 - 5.5 | V |
| Maximum Output Current | 10 | A |
| Switching Frequency Range | 200 kHz - 1.2 MHz | kHz/MHz |
| Efficiency | Up to 95% | % |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | QFN-42 | |
| Package Dimensions | 10 mm x 10 mm x 4.3 mm | mm |
| Maximum Power Dissipation | 55 W | W |
| RoHS Compliance | Yes |
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% and excellent thermal performance.
- Wide-output voltage adjustability from 0.6 V to 5.5 V with 1% reference accuracy.
- Supports parallel operation for higher current and optional split power rail input.
- 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.
- Integrated shielded inductor and enhanced thermal performance.
- Meets EN55022 Class B emissions standards.
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 LMZ31710RVQT?
The input voltage range is from 2.95 V to 17 V.
- What is the maximum output current of the LMZ31710RVQT?
The maximum output current is 10 A.
- What is the switching frequency range of the LMZ31710RVQT?
The switching frequency range is from 200 kHz to 1.2 MHz.
- What are the key protection features of the LMZ31710RVQT?
The device includes overcurrent and overtemperature protection.
- Is the LMZ31710RVQT RoHS compliant?
Yes, the LMZ31710RVQT is RoHS compliant.
- What is the operating temperature range of the LMZ31710RVQT?
The operating temperature range is from -40°C to +85°C.
- Can the LMZ31710RVQT be used in parallel for higher current output?
Yes, the device supports parallel operation for higher current output.
- What is the package type and dimensions of the LMZ31710RVQT?
The package type is QFN-42, and the dimensions are 10 mm x 10 mm x 4.3 mm.
- Does the LMZ31710RVQT meet any specific emissions standards?
Yes, it meets EN55022 Class B emissions standards.
- What is the maximum power dissipation of the LMZ31710RVQT?
The maximum power dissipation is 55 W.
