Overview
The LT3763IFE#PBF is a high-performance, fixed frequency, synchronous step-down DC/DC controller designed by Analog Devices Inc. This controller is optimized for applications requiring accurate regulation of output currents up to 20A. It utilizes average current mode control to ensure precise regulation of the inductor current, making it an ideal solution for various high-current applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage (VIN, EN/UVLO, IVINP, IVINN) | 60 | V |
| Output Current Regulation | Up to 20 | A |
| Operating Junction Temperature (LT3763E/LT3763I) | –40°C to 125°C | °C |
| Operating Junction Temperature (LT3763H) | –40°C to 150°C | °C |
| Storage Temperature Range | –65°C to 150°C | °C |
| Lead Temperature (Soldering, 10 sec) | 300 | °C |
| Voltage Regulation Accuracy | ±1.5% | % |
| Current Regulation Accuracy | ±6% | % |
| FAULT Threshold (FB Falling) | 0.24 to 0.265 | V |
| FAULT Pull-Down Current | 8 | mA |
Key Features
- Fixed Frequency Operation: The LT3763 operates at a fixed frequency, ensuring stable and predictable performance.
- Average Current Mode Control: This mode allows for accurate regulation of the inductor current, independent of the output voltage.
- High Current Capability: Capable of regulating output currents up to 20A.
- Precision Voltage Regulation: The output voltage has an accuracy of ±1.5%.
- FAULT Detection and Monitoring: Includes fault detection and monitoring features to ensure reliable operation.
- Wide Operating Temperature Range: Available in various temperature grades, including –40°C to 125°C and –40°C to 150°C.
Applications
- LED Lighting Systems: Ideal for high-current LED lighting applications where precise current regulation is crucial.
- Power Supplies: Suitable for high-power DC/DC converters requiring accurate current regulation.
- Industrial Control Systems: Can be used in industrial control systems that demand reliable and precise current regulation.
- Automotive Systems: Applicable in automotive systems that require high-current and precise voltage regulation.
Q & A
- What is the maximum input voltage for the LT3763IFE#PBF?
The maximum input voltage is 60V. - What is the maximum output current that the LT3763IFE#PBF can regulate?
The LT3763IFE#PBF can regulate output currents up to 20A. - What is the operating junction temperature range for the LT3763E/LT3763I?
The operating junction temperature range is –40°C to 125°C. - What is the accuracy of the voltage regulation in the LT3763IFE#PBF?
The voltage regulation accuracy is ±1.5%. - What is the accuracy of the current regulation in the LT3763IFE#PBF?
The current regulation accuracy is ±6%. - Does the LT3763IFE#PBF have fault detection features?
Yes, it includes fault detection and monitoring features. - What is the storage temperature range for the LT3763IFE#PBF?
The storage temperature range is –65°C to 150°C. - What is the lead temperature for soldering the LT3763IFE#PBF?
The lead temperature for soldering is 300°C for 10 seconds. - What are some common applications of the LT3763IFE#PBF?
Common applications include LED lighting systems, power supplies, industrial control systems, and automotive systems. - What type of control mode does the LT3763IFE#PBF use?
The LT3763IFE#PBF uses average current mode control.
