Overview
The LMZ31506RUQR is a non-isolated DC-DC power module produced by Texas Instruments. It is designed as a complete integrated power solution, combining a 6-A DC-to-DC converter with power MOSFETs, a shielded inductor, and passives into a compact, low-profile QFN package. This module simplifies point-of-load design by eliminating the need for loop compensation and magnetics part selection, requiring as few as three external components. The LMZ31506RUQR is ideal for powering high-performance DSPs and FPGAs, offering high efficiency and excellent thermal performance.
Key Specifications
| Parameter | Value |
|---|---|
| Series | LMZ31506 |
| Part Status | Active |
| Type | Non-Isolated PoL Module |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.95V |
| Voltage - Input (Max) | 14.5V |
| Voltage - Output 1 | 0.6 ~ 5.5V |
| Current - Output (Max) | 6A |
| Efficiency | Up to 96% |
| Operating Temperature | -40°C ~ 85°C |
| Package | B1QFN (RUQ) 47 pins |
| Size / Dimension | 9.0mm x 15.0mm x 2.8mm |
Key Features
- Complete integrated power solution in a compact, low-profile QFN package (9x15x2.8mm).
- Pin compatible with LMZ31503.
- Efficiencies up to 96%.
- Wide-output voltage adjustment: 0.6V to 5.5V with 1% reference accuracy.
- Supports parallel operation for higher current.
- Optional split power rail allows input voltage down to 1.6V.
- Adjustable switching frequency (250 kHz to 780 kHz) and synchronization to an external clock.
- Adjustable slow-start and output voltage sequencing/tracking.
- Power good output and programmable undervoltage lockout (UVLO).
- Output overcurrent protection (hiccup mode) and over-temperature protection.
- Pre-bias output start-up and enhanced thermal performance (13°C/W junction to ambient).
Applications
The LMZ31506RUQR is suitable for various applications requiring high-performance power solutions, including:
- Powering performance DSPs and FPGAs.
- Point-of-load (PoL) designs in industrial, commercial, and telecommunications equipment.
- Reference designs for Altera Cyclone V SoC and Xilinx Ultrascale Kintex FPGA power solutions.
Q & A
- What is the input voltage range of the LMZ31506RUQR?
The input voltage range is from 2.95V to 14.5V.
- What is the maximum output current of the LMZ31506RUQR?
The maximum output current is 6A.
- What is the operating temperature range of the LMZ31506RUQR?
The operating temperature range is from -40°C to 85°C.
- Does the LMZ31506RUQR support parallel operation?
- What is the efficiency of the LMZ31506RUQR?
The efficiency can be up to 96%.
- How does the LMZ31506RUQR handle overcurrent protection?
- Can the LMZ31506RUQR be synchronized to an external clock?
- What is the package type and pin count of the LMZ31506RUQR?
- Is the LMZ31506RUQR RoHS compliant?
- How can I obtain detailed information and datasheets for the LMZ31506RUQR?
