Overview
The PTH05050WAH from Texas Instruments is a 6-A, 5-V input non-isolated wide output adjust power module. It is one of the smallest modules in its class, featuring a compact size of 0.87 in × 0.5 in (22.1mm × 12.57mm), making it ideal for applications where space is a critical factor. This module provides high-performance step-down conversion with an output voltage adjustable from 0.8 V to 3.6 V using a single resistor. The PTH05050WAH is designed for high efficiency, achieving up to 95% efficiency and a power density of 135 W/in³. It includes advanced features such as Auto-Track™ sequencing, on/off inhibit, pre-bias startup, and output overcurrent protection, making it a versatile choice for various power systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 - 5.5 | V |
| Output Current | Up to 6 | A |
| Output Voltage Adjust Range | 0.8 - 3.6 | V |
| Efficiency | Up to 95% | % |
| Power Density | 135 | W/in³ |
| Operating Temperature | -40°C to 85°C | °C |
| Package Size | 0.87 in × 0.5 in (22.1mm × 12.57mm) | |
| Safety Agency Approvals | UL/IEC/CSA-22.2 60950-1 |
Key Features
- Auto-Track™ sequencing for simplified supply voltage sequencing
- High efficiency up to 95% with synchronous rectifier output stage
- Pre-bias startup and pre-bias hold-off capability
- On/off inhibit and output voltage adjust (trim)
- Output overcurrent protection (non-latching, auto-reset)
- Wide output voltage adjust range (0.8 V to 3.6 V) using a single resistor
- Operating temperature range of -40°C to 85°C
- IPC Lead Free 2 and safety agency approvals (UL/IEC/CSA-22.2 60950-1)
Applications
The PTH05050WAH is suitable for a variety of applications, including telecom, industrial, and general-purpose circuits. It is particularly useful in low-power dual-voltage systems that employ DSPs, microprocessors, ASICs, or FPGAs. The module’s compact size and high-performance capabilities make it an ideal choice for space-constrained designs.
Q & A
- What is the input voltage range of the PTH05050WAH?
The input voltage range is 4.5 V to 5.5 V. - What is the maximum output current of the PTH05050WAH?
The maximum output current is up to 6 A. - What is the adjustable output voltage range of the PTH05050WAH?
The output voltage can be adjusted from 0.8 V to 3.6 V using a single resistor. - What is the efficiency of the PTH05050WAH?
The module achieves efficiencies up to 95%. - What is the power density of the PTH05050WAH?
The power density is 135 W/in³. - What is the operating temperature range of the PTH05050WAH?
The operating temperature range is -40°C to 85°C. - Does the PTH05050WAH have overcurrent protection?
Yes, it features output overcurrent protection (non-latching, auto-reset). - What is the purpose of Auto-Track™ sequencing in the PTH05050WAH?
Auto-Track™ sequencing simplifies supply voltage sequencing in power systems by enabling modules to track each other or any other external voltage during power up and power down. - Is the PTH05050WAH lead-free and compliant with safety standards?
Yes, it is IPC Lead Free 2 and compliant with safety agency approvals (UL/IEC/CSA-22.2 60950-1). - What types of applications is the PTH05050WAH suitable for?
The module is suitable for telecom, industrial, and general-purpose circuits, including low-power dual-voltage systems using DSPs, microprocessors, ASICs, or FPGAs.
