Overview
The PTH05020WAH from Texas Instruments is a high-performance, non-isolated step-down switching power module. This module is part of the PTH family, which is optimized for applications requiring flexible and high-performance power conversion. It is designed to provide up to 22 A of output current from a 5-V input bus voltage, making it suitable for powering complex multi-processor digital systems.
The module features a wide-output voltage adjustability range of 0.8 V to 3.6 V, which can be set using a single resistor. It also includes advanced features such as Auto-Track™ sequencing, on/off inhibit, output voltage sense, and pre-bias startup, among others.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage (Vin) | - | 5 | - | V |
| Output Current (Io) | - | - | 22 | A |
| Output Voltage Range | 0.8 | - | 3.6 | V |
| Efficiency | - | - | 96% | - |
| Power Density | - | - | 155 W/in³ | - |
| Operating Temperature | -40 | - | 85 | °C |
| Package Type | - | - | DIP-10 | - |
Key Features
- Wide-output voltage adjustability (0.8 V to 3.6 V) using a single resistor.
- High efficiency up to 96%.
- High power density of 155 W/in³.
- Auto-Track™ sequencing for simplified supply voltage sequencing.
- On/off inhibit and output voltage sense.
- Pre-bias startup and margin up/down controls.
- Output over-current protection (non-latching, auto-reset) and over-temperature protection.
- IPC Lead Free 2 and safety agency approvals (UL 1950, CSA 22.2 950, EN60950 VDE).
Applications
The PTH05020WAH is ideal for various applications where high-performance power conversion is required. These include:
- Telecom systems
- Industrial applications
- General purpose circuits
- Low-power dual-voltage systems using DSP, microprocessor, ASIC, or FPGA.
Q & A
- What is the input voltage range of the PTH05020WAH?
The input voltage is fixed at 5 V.
- What is the maximum output current of the PTH05020WAH?
The maximum output current is up to 22 A).
- How can the output voltage be adjusted?
The output voltage can be adjusted to any value between 0.8 V and 3.6 V using a single resistor).
- What is the efficiency of the PTH05020WAH?
The efficiency can be up to 96%).
- What is the operating temperature range of the PTH05020WAH?
The operating temperature range is from -40°C to 85°C).
- Does the PTH05020WAH have over-current protection?
- What is Auto-Track™ sequencing?
Auto-Track™ sequencing simplifies supply voltage sequencing by enabling modules to track each other or any external voltage during power up and power down).
- Is the PTH05020WAH lead-free?
- What safety agency approvals does the PTH05020WAH have?
- What package types are available for the PTH05020WAH?
