LTC3780 DC-DC 5-32V to 1-30V 10A Buck-Boost Voltage Regulator
LTC3780 DC-DC Automatic Buck-Boost Voltage Regulator Module
The LTC3780 Step Up/Down Voltage Regulator Module is a high-efficiency, automatic buck-boost power supply module designed for electronics enthusiasts, engineers, and hobbyists who need reliable and flexible voltage conversion. Whether you're stepping up or stepping down voltage, this intelligent module handles both automatically — making it ideal for a wide range of DIY electronics, battery charging, and power management applications.
Key Features
- Automatic Buck-Boost Operation: Seamlessly steps voltage up or down without manual switching — perfect for unstable or varying input sources.
- Wide Input Voltage Range: Accepts 5V to 32V DC input, converting to a stable 1V–30V DC output.
- High Current Output: Delivers up to 10A continuous output current for demanding applications.
- LTC3780 Chip: Built around the industry-trusted LTC3780 synchronous buck-boost controller for superior efficiency and thermal performance.
- Adjustable Output: Output voltage is easily adjustable via onboard potentiometers to suit your exact project needs.
- Wide Application Range: Suitable for battery charging circuits, solar energy systems, lab power supplies, automotive electronics, and more.
- Compact & Robust Design: Compact PCB form factor with onboard heatsink for efficient heat dissipation during high-load operation.
- LED Indicator: Onboard LED indicator for power status monitoring at a glance.
Technical Specifications
| Input Voltage | 5V – 32V DC |
| Output Voltage | 1V – 30V DC (adjustable) |
| Max Output Current | 10A |
| Controller IC | LTC3780 |
| Conversion Mode | Automatic Buck / Boost |
| Efficiency | Up to ~98% (typical) |
| Operating Frequency | ~200 kHz (typical) |
| Condition | Brand New |
| Country of Origin | Made in China |
What's in the Box
- 1 × LTC3780 DC-DC Buck-Boost Voltage Regulator Module
Ideal For
- DIY electronics and maker projects
- Battery charging systems (Li-ion, LiPo, Lead-Acid)
- Solar panel power management
- Automotive and RV power conversion
- Bench power supply builds
- Robotics and embedded systems
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What makes the LTC3780 voltage regulator module different from a standard buck or boost converter?
A: Unlike a standard buck (step-down) or boost (step-up) converter that only handles one mode, the LTC3780-based module automatically operates in both buck and boost modes. This means it can regulate the output voltage whether the input is higher or lower than the desired output — making it extremely versatile for applications with variable input sources such as solar panels or batteries.
Q: Can I use this module to charge lithium batteries?
A: Yes, this module's adjustable output voltage (1V–30V) and high current capacity (up to 10A) make it well-suited for use in custom battery charging circuits. However, ensure you configure the output voltage and current limits correctly for your specific battery chemistry and always incorporate appropriate protection circuitry for safe charging.
Q: What input and output connections does the module use?
A: The module features clearly labeled screw terminal or solder pad connections for both input and output, making it straightforward to wire into your project. Always double-check polarity before applying power to avoid damage to the module or connected devices.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.