Overview
The PTH08T250WAD is a high-performance, non-isolated power module from Texas Instruments, representing the 2nd generation of the popular PTH series. This module is designed to deliver high current output with advanced features and reliability. It operates within 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.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | Up to 50 A | A |
| Input Voltage Range | 8 V to 14 V | V |
| Output Voltage Adjust Range | 3.0 V to 5.25 V | V |
| Total Output Voltage Variation | ±1.5% | % |
| Efficiency | Up to 96% | % |
| Operating Temperature Range | –40°C to 85°C | °C |
| Overcurrent Protection | Reset, followed by auto-recovery | |
| Over-temperature Protection | Shutdown |
Key Features
- SmartSync Technology: Synchronizes the switching frequency to reduce noise and improve efficiency.
- Parallel Operation: Allows multiple modules to share current for higher output currents.
- Wide-Output Voltage Adjust: Adjustable output voltage from 3.0 V to 5.25 V using a single external resistor.
- Auto-Track Sequencing: Simplifies the simultaneous power-up and power-down of multiple modules.
- Differential Output Voltage Remote Sense: Ensures tight load regulation.
- Adjustable Undervoltage Lockout: Customizable turn-on voltage threshold.
- TurboTrans Technology: Enhances transient response and reduces output voltage overshoot and undershoot.
- Prebias Startup: Allows the module to start up with a prebiased output voltage.
- On/Off Inhibit: Controls the module's operation via an external signal.
Applications
The PTH08T250WAD is particularly suited for advanced computing and server applications, including:
- Servers: Utilizes a loosely regulated 9.6-V to 12-V intermediate distribution bus.
- Workstations: Provides high current and efficient power delivery.
- Complex Multi-Voltage Systems: Supports multiple voltage rails with high accuracy and reliability.
Q & A
- What is the input voltage range of the PTH08T250WAD?
The input voltage range is 8 V to 14 V.
- How is the output voltage adjusted?
The output voltage is adjusted using a single external resistor connected between the Vo Adjust pin and AGND.
- What is the maximum output current of the PTH08T250WAD?
The maximum output current is up to 50 A.
- Does the module support parallel operation?
- What is the operating temperature range of the module?
The operating temperature range is –40°C to 85°C.
- What safety agency approvals does the module have?
The module has pending approvals for UL/IEC/CSA-C22.2 60950-1.
- How does the TurboTrans technology benefit the module?
TurboTrans technology enhances transient response and reduces output voltage overshoot and undershoot.
- What is the purpose of the Auto-Track sequencing feature?
The Auto-Track sequencing feature simplifies the simultaneous power-up and power-down of multiple modules.
- Does the module have overcurrent and over-temperature protection?
- What is the efficiency of the PTH08T250WAD module?
The module has efficiencies up to 96%.
