Overview
The PTH08T255WAD is a high-performance, non-isolated power module from Texas Instruments, part of the second generation of the popular PTH series. This module is designed to meet ultra-fast transient requirements and is particularly suited for advanced computing and server applications. It operates from an input voltage range of 8 V to 14 V and can be adjusted to output voltages between 3.0 V and 5.25 V using a single external resistor. The module features advanced technologies such as SmartSync and TurboTrans, which enhance its efficiency and transient response. It also includes comprehensive protection features like output overcurrent and over-temperature shutdown, differential remote sense, and adjustable undervoltage lockout.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Input Voltage Range | 8.0 | - | 14 | V |
| Output Voltage Adjust Range | 3.0 | - | 5.25 | V |
| Output Current | - | - | 40 | A |
| Efficiency | - | 94-96 | - | % |
| Output Voltage Ripple (peak-to-peak) | - | - | 20 | mV |
| Switching Frequency | - | 600 | - | kHz |
| Operating Temperature | -40 | - | 85 | °C |
| Total Output Voltage Variation | - | - | ±1.5% | %Vo |
Key Features
- SmartSync Technology for synchronization and improved efficiency
- Parallel operation capability for higher load currents
- Wide-output voltage adjust range (3.0 V to 5.25 V)
- Output overcurrent and over-temperature protection
- Differential output voltage remote sense for tight load regulation
- Adjustable undervoltage lockout
- Auto-Track sequencing for simultaneous power-up and power-down of multiple modules
- TurboTrans technology for enhanced transient response
- Multi-phase, switch-mode topology
Applications
The PTH08T255WAD is particularly suitable for advanced computing and server applications, including those that utilize a loosely regulated 9.6-V to 12-V intermediate distribution bus. It is also applicable in workstations and other complex multi-voltage systems.
Q & A
- What is the input voltage range of the PTH08T255WAD?
The input voltage range is from 8 V to 14 V. - What is the adjustable output voltage range?
The output voltage can be adjusted from 3.0 V to 5.25 V. - What is the maximum output current?
The maximum output current is 40 A. - What is the efficiency of the module?
The efficiency can be up to 96%. - What protection features does the module include?
The module includes output overcurrent and over-temperature shutdown, differential remote sense, and adjustable undervoltage lockout. - Can multiple modules be operated in parallel?
Yes, multiple modules can be operated in parallel to achieve higher load currents. - What is the purpose of SmartSync Technology?
SmartSync Technology is used for synchronization and to improve efficiency. - What is TurboTrans technology?
TurboTrans technology enhances the transient response of the module. - What is the operating temperature range?
The operating temperature range is from -40°C to 85°C. - What safety agency approvals does the module meet?
The module meets UL/IEC/CSA-C22.2 60950-1 safety agency approvals.
