Overview
The LT3763EFE#TRPBF, produced by Analog Devices Inc., is a high-performance, fixed frequency, synchronous step-down DC/DC controller. This component is designed to accurately regulate output currents up to 20A, making it an ideal solution for applications requiring a regulated current source. The LT3763 utilizes average current mode control to regulate the inductor current independently from the output voltage, ensuring high accuracy and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 6V to 60V | V |
| Output Current | Up to 20A | A |
| Switching Frequency | 200kHz to 1MHz | Hz |
| Feedback Voltage | 1.206V | V |
| Overvoltage Lockout Threshold | 1.515V | V |
| Operating Junction Temperature | –40°C to 125°C (E and I grades), –40°C to 150°C (H grade) | °C |
| Package Type | 28-Lead Plastic TSSOP | |
| Lead Temperature (Soldering, 10 sec) | 300°C | °C |
Key Features
- Fixed frequency, synchronous step-down DC/DC controller
- Accurate regulation of output currents up to 20A
- Average current mode control for independent regulation of inductor current
- Soft-start capability to limit regulated current during start-up conditions
- Thermal control inputs to reduce regulated output current
- Overvoltage protection and fault detection
- High accuracy: ±6% current regulation, ±1.5% voltage regulation
Applications
- LED lighting systems requiring high current accuracy
- Power supplies needing regulated current sources
- Industrial and automotive applications where high reliability is crucial
- Display and backlighting systems
- Energy harvesting and battery management systems
Q & A
- What is the input voltage range of the LT3763EFE#TRPBF?
The input voltage range is from 6V to 60V.
- What is the maximum output current that the LT3763EFE#TRPBF can regulate?
The maximum output current is up to 20A.
- What is the switching frequency range of the LT3763EFE#TRPBF?
The switching frequency range is from 200kHz to 1MHz.
- What is the feedback voltage for the LT3763EFE#TRPBF?
The feedback voltage is regulated to 1.206V.
- What is the overvoltage lockout threshold for the LT3763EFE#TRPBF?
The overvoltage lockout threshold is 1.515V.
- What are the operating temperature ranges for the LT3763EFE#TRPBF?
The operating junction temperature ranges are –40°C to 125°C for E and I grades, and –40°C to 150°C for the H grade.
- What type of package does the LT3763EFE#TRPBF come in?
The component comes in a 28-Lead Plastic TSSOP package.
- Does the LT3763EFE#TRPBF have soft-start capability?
Yes, it has soft-start capability to limit regulated current during start-up conditions.
- What is the accuracy of current and voltage regulation for the LT3763EFE#TRPBF?
The current regulation accuracy is ±6%, and the voltage regulation accuracy is ±1.5%.
- What are some common applications for the LT3763EFE#TRPBF?
Common applications include LED lighting systems, power supplies, industrial and automotive systems, display and backlighting systems, and energy harvesting and battery management systems.
