Overview
The PTH12040WAZT is a high-performance, non-isolated power module produced by Texas Instruments. This module is designed to deliver up to 50 A of output current and operates with an input voltage range of 8 V to 14 V. It features a wide-output voltage adjustment range from 0.8 V to 5.5 V, making it highly versatile for various applications. The PTH12040WAZT utilizes advanced multi-phase switched-mode topology, ensuring high efficiency up to 96% and robust performance in densely populated multiprocessor systems.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 8 | - | 14 | V |
| Output Current | 0 | - | 50 | A |
| Output Voltage Adjust Range | 0.8 | - | 5.5 | V |
| Efficiency | - | Up to 96% | - | % |
| Operating Temperature Range | -40 | - | 85 | °C |
| Set-point Voltage Tolerance | - | - | ±2% | %VO |
| Line Regulation | - | - | ±5 mV | mV |
| Load Regulation | - | - | ±5 mV | mV |
| Total Output Variation | - | - | ±3% | %VO |
| External Input Capacitance | 560 | - | 1000 | µF |
Key Features
- On/Off Inhibit
- Differential Output Sense
- Output Overcurrent Protection (Non-latching, Auto-Reset)
- Overtemperature Protection
- Auto-Track™ Sequencing
- Start Up Into Output Prebias
- Margin Up/Down Controls
- Programmable Undervoltage Lockout (UVLO)
- Safety Agency Approvals: UL/cUL 60950, EN60950, VDE
- Multi-Phase, Switch-Mode Topology
Applications
The PTH12040WAZT is particularly suited for advanced computing and server applications that utilize a loosely regulated 12-V intermediate distribution bus. Its high current capability and wide output voltage adjustment range make it ideal for powering densely populated multiprocessor systems.
Q & A
- What is the input voltage range of the PTH12040WAZT? The input voltage range is from 8 V to 14 V.
- What is the maximum output current of the PTH12040WAZT? The maximum output current is 50 A.
- How is the output voltage adjusted on the PTH12040WAZT? The output voltage is adjusted using a single external resistor connected between the VO Adjust and GND pins.
- What is the efficiency of the PTH12040WAZT? The efficiency can be up to 96%.
- What are the operating temperature limits of the PTH12040WAZT? The operating temperature range is from -40°C to 85°C.
- Does the PTH12040WAZT have overcurrent protection? Yes, it has non-latching, auto-reset output overcurrent protection.
- What safety agency approvals does the PTH12040WAZT have? It has UL/cUL 60950, EN60950, and VDE approvals.
- What is the purpose of the Auto-Track feature in the PTH12040WAZT? The Auto-Track feature allows the outputs of multiple modules to track a common voltage during power up and power down transitions.
- What type of topology does the PTH12040WAZT use? It uses a multi-phase, switch-mode topology.
- What is the recommended external input capacitance for the PTH12040WAZT? The recommended external input capacitance is 560 µF to 1000 µF.
