Overview
The PTH04000WAH from Texas Instruments is a highly integrated, low-cost switching regulator module designed to deliver up to 3 A of output current. This module is part of the PTH04000W series and is notable for its small PCB footprint, high efficiency, and minimal power dissipation, eliminating the need for a heat sink. It operates with input voltages ranging from 3 V to 5.5 V, making it suitable for both 3.3-V and 5-V input buses. The module uses state-of-the-art switched-mode power-conversion technology to step down voltages as low as 0.9 V from a 5-V input bus.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 3 | 5.5 | V | |
| Output Current | 0 | 3 | A | |
| Output Voltage Adjust Range | 0.9 | 3.6 | V | |
| Efficiency | Up to 94% | % | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | Surface Mount and Through-Hole | |||
| Weight | 1.5 grams | grams |
Key Features
- Auto-Track™ sequencing for supply voltage sequencing during power up and power down.
- Undervoltage lockout (UVLO) and overtemperature protection.
- On/off inhibit and output overcurrent protection (non-latching, auto-reset).
- High efficiency up to 94% and minimal power dissipation.
- Adjustable output voltage using a single external resistor.
- Compatibility with Point-of-Load Alliance (POLA™) and RoHS/lead-free compliance.
- Safety agency approvals: UL/IEC/CSA-22.2 60950-1.
Applications
The PTH04000WAH is suitable for a variety of applications, including telecommunications, test and measurement equipment, and high-end consumer products. Its compact size and high efficiency make it particularly useful in space-constrained and power-sensitive designs.
Q & A
- What is the maximum output current of the PTH04000WAH?
The maximum output current is up to 3 A at 85°C. - What is the input voltage range for the PTH04000WAH?
The input voltage range is from 3 V to 5.5 V. - How can the output voltage be adjusted?
The output voltage can be adjusted using a single external resistor connected between the VO Adjust and GND pins. - What is the operating temperature range of the PTH04000WAH?
The operating temperature range is from -40°C to 85°C. - Does the PTH04000WAH have built-in protection features?
Yes, it includes undervoltage lockout (UVLO), overtemperature protection, and output overcurrent protection. - Is the PTH04000WAH RoHS/lead-free compliant?
Yes, it is compatible with TI's roadmap for RoHS and lead-free compliance. - What are the safety agency approvals for the PTH04000WAH?
The module has safety agency approvals including UL/IEC/CSA-22.2 60950-1. - What is the efficiency of the PTH04000WAH?
The efficiency can be up to 94%. - Does the PTH04000WAH require a heat sink?
No, it does not require a heat sink due to its high efficiency and minimal power dissipation. - What are the package options for the PTH04000WAH?
The module is available in both surface-mount and through-hole package options.
