Overview
The LMZ31707RVQT from Texas Instruments is a 7-A power module designed for high-efficiency and compact point-of-load applications. This module integrates a DC-DC converter, power MOSFETs, a shielded inductor, and passives into a low-profile QFN package. The LMZ31707RVQT is part of the SIMPLE SWITCHER® family, offering a complete integrated power solution that simplifies the design process by eliminating the need for loop compensation and magnetics part selection. With a small footprint of 10-mm × 10-mm × 4.3-mm, it is ideal for space-constrained designs and achieves efficiencies of up to 95%.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (PVIN, VIN) | 2.95 | - | 17 | V |
| Output Voltage (VOUT) | 0.6 | - | 5.5 | V |
| Output Current (IOUT) | - | - | 7 | A |
| Switching Frequency (fSW) | 200 kHz | - | 1.2 MHz | kHz |
| Efficiency | - | - | Up to 95% | % |
| Operating Temperature Range | -40°C | - | +85°C | °C |
| Thermal Impedance | - | - | 13.3°C/W | °C/W |
Key Features
- Small footprint, low-profile design in a 10-mm × 10-mm × 4.3-mm QFN package
- Pin compatible with LMZ31710 and LMZ31704
- Efficiencies up to 95% with Eco-mode™/light load efficiency (LLE)
- Wide output voltage adjust range: 0.6V to 5.5V with 1% reference accuracy
- Supports parallel operation for higher current
- Optional split power rail allows input voltage down to 2.95 V
- Adjustable switching frequency (200 kHz to 1.2 MHz) and synchronization to an external clock
- Provides 180° out-of-phase clock signal
- Adjustable slow start and output voltage sequencing/tracking
- Power good output and programmable undervoltage lockout (UVLO)
- Overcurrent and overtemperature protection
- Pre-Bias output start-up and integrated shielded inductor
- Meets EN55022 Class B emissions
Applications
- Broadband and communications infrastructure
- Automated test and medical equipment
- Compact PCI/PCI Express/PXI Express
- DSP and FPGA point-of-load applications
Q & A
- What is the input voltage range of the LMZ31707RVQT?
The input voltage range is from 2.95 V to 17 V.
- What is the maximum output current of the LMZ31707RVQT?
The maximum output current is 7 A.
- What is the efficiency range of the LMZ31707RVQT?
The efficiency can be up to 95%.
- Can the LMZ31707RVQT be used in parallel for higher current applications?
- What is the operating temperature range of the LMZ31707RVQT?
The operating temperature range is from -40°C to +85°C.
- Does the LMZ31707RVQT have overcurrent and overtemperature protection?
- Can the switching frequency of the LMZ31707RVQT be adjusted?
- Does the LMZ31707RVQT support synchronization to an external clock?
- What is the thermal impedance of the LMZ31707RVQT?
The thermal impedance is 13.3°C/W.
- Is the LMZ31707RVQT compliant with any specific emissions standards?
