Overview
The LMZ10504TZ-ADJ/NOPB is a high-performance step-down power module designed and manufactured by Texas Instruments. This module integrates a DC-DC converter, inductor, and other essential components into a compact package, enhancing thermal performance and facilitating both hand and machine soldering. The LMZ10504TZ-ADJ/NOPB is capable of driving up to a 4-A load with exceptional power conversion efficiency, output voltage accuracy, and line and load regulation. It operates within an input voltage range of 2.95 V to 5.5 V and can deliver an adjustable output voltage as low as 0.8 V and up to 5 V.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range (Vin) | 2.95 | - | 5.5 | V |
| Output Voltage Range (Vout) | 0.8 | - | 5 | V |
| Maximum Output Current (Iout) | - | - | 4 | A |
| Maximum Total Output Power | - | - | 20 | W |
| Switching Frequency | 750 | - | 1160 | kHz |
| Feedback Voltage Accuracy | - | - | ±1.63% | - |
| Operating Temperature Range | -40 | - | 125 | °C |
| Thermal Shutdown Temperature (TSD) | - | - | 145 | °C |
Key Features
- High-performance step-down power module with integrated DC-DC converter, inductor, and other essential components.
- Adjustable output voltage regulation from 0.8 V to 5 V.
- Input voltage range of 2.95 V to 5.5 V.
- Maximum output current of up to 4 A.
- High efficiency up to 96%, reducing system heat generation.
- Low radiated emissions (EMI) tested to EN55022 Class B standard.
- Fast transient response suitable for powering FPGAs and ASICs.
- Externally programmable soft-start capacitor for controlled start-up.
- Protection features include lossless cycle-by-cycle peak current limit, thermal shutdown, input undervoltage lockout, and prebiased start-up.
- Compact TO-PMOD-7 package enhancing thermal performance and allowing for hand or machine soldering.
Applications
- Point-of-load conversions from 3.3-V and 5-V rails.
- Space-constrained applications requiring high power density.
- Noise-sensitive applications such as transceivers and medical devices.
Q & A
- Q: What is the input voltage range supported by the LMZ10504TZ-ADJ/NOPB?
A: The LMZ10504TZ-ADJ/NOPB can accept input voltages within the range of 2.95 V to 5.5 V.
- Q: What is the maximum output current of the LMZ10504TZ-ADJ/NOPB?
A: The maximum output current is up to 4 A.
- Q: Does the LMZ10504TZ-ADJ/NOPB provide thermal protection?
A: Yes, it includes thermal shutdown protection with a threshold temperature of 145°C.
- Q: What is the switching frequency range of the LMZ10504TZ-ADJ/NOPB?
A: The switching frequency ranges from 750 kHz to 1160 kHz.
- Q: Is the output voltage of the LMZ10504TZ-ADJ/NOPB adjustable?
A: Yes, the output voltage is adjustable from 0.8 V to 5 V.
- Q: What are the key protection features of the LMZ10504TZ-ADJ/NOPB?
A: The module includes lossless cycle-by-cycle peak current limit, thermal shutdown, input undervoltage lockout, and prebiased start-up.
- Q: What is the efficiency of the LMZ10504TZ-ADJ/NOPB?
A: The module has a high efficiency of up to 96%.
- Q: Is the LMZ10504TZ-ADJ/NOPB suitable for noise-sensitive applications?
A: Yes, it is suitable for noise-sensitive applications due to its low radiated emissions (EMI) and fast transient response.
- Q: What is the operating temperature range of the LMZ10504TZ-ADJ/NOPB?
A: The operating temperature range is from -40°C to 125°C.
- Q: Can the LMZ10504TZ-ADJ/NOPB be used in space-constrained applications?
A: Yes, it is designed for space-constrained applications due to its compact TO-PMOD-7 package.
