Overview
The PTN78020AAZT is a high-efficiency, non-isolated point-of-load (POL) DC-DC converter module manufactured by Texas Instruments. Designed for surface mount applications, this module is part of the PTN78020A series and is widely used in various electronic systems requiring adjustable positive-to-negative voltage regulation. With a compact form factor and robust performance, the PTN78020AAZT is ideal for industrial, automotive, and telecommunications applications. Its key selling points include a wide input voltage range, high efficiency, and reliable operation across a broad temperature range.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Installation Type | Surface Mount | - | - |
| Pin Count | 7 | - | - |
| Input Voltage (DC) | 9.00V ~ 29.0V | V | - |
| Output Voltage | -15.0 V (max), -3.00 V (min) | V | Adjustable |
| Output Current | 4 | A | Max |
| Rated Power | 25 | W | - |
| Switch Frequency | 440kHz ~ 660kHz | kHz | - |
| Topology | Buck, Boost | - | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Efficiency | 87% | % | - |
| Dimensions | 38.1mm x 22.1mm x 9.7mm | mm | L x W x H |
Key Features
- Wide input voltage range of 9V to 29V for versatile applications.
- Adjustable output voltage from -15V to -3V, providing flexibility in design.
- High efficiency up to 87%, reducing power loss and heat generation.
- Compact surface-mount design with a small footprint, suitable for space-constrained systems.
- Robust operation across a wide temperature range (-40°C to 85°C), ensuring reliability in harsh environments.
- Non-isolated POL module, simplifying integration into existing systems.
Applications
The PTN78020AAZT is widely used in industrial automation, telecommunications, and automotive electronics. Its ability to provide stable and adjustable negative voltage makes it ideal for powering sensitive components in these fields. Specific applications include power supplies for industrial control systems, voltage regulation in telecommunications equipment, and energy management in automotive electronics. Its compact size and high efficiency also make it suitable for portable and battery-powered devices.
Q & A
1. What is the input voltage range of the PTN78020AAZT?
The input voltage range is 9V to 29V.
2. What is the maximum output current of this module?
The maximum output current is 4A.
3. Can the output voltage be adjusted?
Yes, the output voltage is adjustable from -15V to -3V.
4. What is the efficiency of the PTN78020AAZT?
The efficiency is up to 87%.
5. What is the operating temperature range?
The module operates from -40°C to 85°C.
6. Is the PTN78020AAZT an isolated or non-isolated module?
It is a non-isolated POL module.
7. What is the switch frequency of this module?
The switch frequency ranges from 440kHz to 660kHz.
8. What are the dimensions of the PTN78020AAZT?
The dimensions are 38.1mm x 22.1mm x 9.7mm.
9. What is the rated power of this module?
The rated power is 25W.
10. What are typical applications for the PTN78020AAZT?
Typical applications include industrial automation, telecommunications, and automotive electronics.
