Overview
The LMZ10505EXTTZX/NOPB power module, produced by Texas Instruments, is a comprehensive and user-friendly DC-DC solution designed to handle demanding and rugged applications. This module is capable of driving up to a 5-A load with exceptional power conversion efficiency, output voltage accuracy, and line and load regulation. It features an innovative package that enhances thermal performance and supports both hand and machine soldering. The LMZ10505EXT can accept an input voltage range of 2.95 V to 5.5 V and deliver an adjustable output voltage as low as 0.8 V, making it versatile for various power requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.95 V to 5.5 V |
| Output Voltage Range | 0.8 V to 5 V |
| Output Current | Up to 5 A |
| Total Output Power | 25 W Maximum |
| Feedback Voltage Accuracy | ±1.63% over temperature |
| Switching Frequency | 1 MHz fixed-frequency PWM |
| Package Type | TO-PMOD (7-pin) |
| Body Size | 9.85 mm × 10.16 mm |
| Operating Temperature Range | -40°C to 125°C |
| RoHS Compliance | Yes |
Key Features
- Integrated shielded inductor
- Flexible start-up sequencing using external soft start, tracking, and precision enable
- Protection against in-rush currents and faults such as input UVLO and output short-circuit
- Single exposed pad and standard pinout for easy mounting and manufacturing
- Pin-to-pin compatible with LMZ10503EXT and LMZ10504EXT
- Fast transient response for powering FPGAs and ASICs
- Lossless cycle-by-cycle peak current limit, thermal shutdown, input undervoltage lockout, and prebiased start-up
- Externally programmable soft-start capacitor for controlled start-up
- Low radiated emissions (EMI) tested to EN55022 Class B standard and radiated immunity EMI tested to EN61000 4-3
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 input voltage for the LMZ10505EXT? The maximum input voltage is 5.5 V.
- What is the range of output voltage for the LMZ10505EXT? The output voltage range is from 0.8 V to 5 V.
- What is the maximum output current of the LMZ10505EXT? The maximum output current is up to 5 A.
- What is the switching frequency of the LMZ10505EXT? The switching frequency is 1 MHz fixed-frequency PWM.
- Does the LMZ10505EXT have built-in protection features? Yes, it includes protection against in-rush currents, input UVLO, output short-circuit, thermal shutdown, and lossless cycle-by-cycle peak current limit.
- Is the LMZ10505EXT compatible with other Texas Instruments power modules? Yes, it is pin-to-pin compatible with LMZ10503EXT and LMZ10504EXT.
- What is the operating temperature range for the LMZ10505EXT? The operating temperature range is -40°C to 125°C.
- Is the LMZ10505EXT RoHS compliant? Yes, it is RoHS compliant.
- What package type does the LMZ10505EXT use? It uses a TO-PMOD (7-pin) package.
- Can the LMZ10505EXT be used in noise-sensitive applications? Yes, it is suitable for noise-sensitive applications due to its low radiated emissions and fast transient response.
