Overview
The LMZ10505TZX-ADJ/NOPB is a 5-A power module from Texas Instruments, designed to provide a complete and easy-to-use DC-DC conversion solution. This module is capable of driving up to a 5-A load with high power conversion efficiency, precise output voltage accuracy, and excellent line and load regulation. It features an innovative package that enhances thermal performance, allowing for both hand and machine soldering. The LMZ10505 is suitable for a wide range of applications, including point-of-load conversions, space-constrained designs, and noise-sensitive environments such as medical and transceiver systems.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.95 V | - | 5.5 V | V |
| Output Voltage Range | 0.8 V | - | 5 V | V |
| Output Current | - | - | 5 A | A |
| Total Output Power | - | - | 25 W | W |
| Feedback Voltage Accuracy | -2.5% | - | +2.5% | % |
| Efficiency | - | - | Up to 96% | % |
| Thermal Shutdown Temperature | 145°C | - | - | °C |
| Thermal Shutdown Hysteresis | 10°C | - | - | °C |
| Package Type | - | - | TO-PMOD-7 | - |
| Body Size | - | - | 9.85 mm × 10.16 mm | mm |
Key Features
- Integrated shielded inductor for reduced EMI.
- Flexible start-up sequencing using external soft-start, tracking, and precision enable.
- Protection against in-rush currents and faults, including input UVLO and output short-circuit protection.
- Single exposed pad and standard pinout for easy mounting and manufacturing.
- Pin-to-pin compatible with LMZ10503 and LMZ10504 models.
- Fully enabled for WEBENCH® and Power Designer tools.
- High efficiency up to 96% to reduce system heat generation.
- Low radiated emissions (EMI) tested to EN55022 Class B standard.
- Fast transient response suitable for powering FPGAs and ASICs.
- Lossless cycle-by-cycle peak current limit, thermal shutdown, input undervoltage lockout, and prebiased start-up.
Applications
- Point-of-load conversions from 3.3-V and 5-V rails.
- Space-constrained applications.
- Noise-sensitive applications such as transceivers and medical devices.
Q & A
- What is the maximum output current of the LMZ10505?
The LMZ10505 can deliver up to 5 A of output current.
- What is the input voltage range for the LMZ10505?
The input voltage range is from 2.95 V to 5.5 V.
- What is the output voltage range of the LMZ10505?
The output voltage range is from 0.8 V to 5 V.
- What is the efficiency of the LMZ10505?
The efficiency can be up to 96%.
- Does the LMZ10505 have built-in protection features?
Yes, it includes protection against in-rush currents, input UVLO, output short-circuit, and thermal shutdown.
- What package type does the LMZ10505 come in?
The LMZ10505 comes in a TO-PMOD-7 package.
- Is the LMZ10505 compatible with other models?
Yes, it is pin-to-pin compatible with the LMZ10503 and LMZ10504 models.
- What are the thermal characteristics of the LMZ10505?
The thermal shutdown temperature is 145°C with a hysteresis of 10°C.
- Can the LMZ10505 be used in noise-sensitive applications?
Yes, it is suitable for noise-sensitive applications due to its low radiated emissions.
- How does the LMZ10505 handle start-up sequencing?
The LMZ10505 allows for flexible start-up sequencing using external soft-start, tracking, and precision enable.
