Manufacturer: Analog Devices
Key Specifications
- Package: 54-pin QFN (7x7mm)
- Core: 4-channel step-down DC/DC + 4 LDOs
- Interface: I2C
- Voltage Input: 2.7V to 5.5V
- Switching Frequency: 2.25MHz
- Operating Temperature: -40°C to +125°C
- Output Current: to be verified
- Memory: to be verified
The LTC3676EUJ#TRPBF from Analog Devices is a highly integrated power management IC designed for portable and battery-powered applications. It combines four synchronous step-down DC/DC converters and four low-dropout regulators (LDOs) in a compact 54-pin QFN package, providing a complete power solution for processors, FPGAs, and other digital loads.
Key Features
- Four configurable synchronous buck converters with programmable output voltage and current limits
- Four LDOs with low quiescent current for auxiliary supplies
- I2C interface for dynamic voltage scaling and register configuration
- Input voltage range from 2.7V to 5.5V, suitable for single-cell Li-Ion or 3.3V/5V rails
- Fixed 2.25MHz switching frequency enables small external components
- Comprehensive protection: over-temperature, over-current, and short-circuit protection
- Wide operating temperature range from -40°C to +125°C
Applications
- Portable and handheld devices
- Industrial and medical equipment
- FPGA and DSP power supplies
- Battery-powered systems
Selection Guidance
When selecting the LTC3676EUJ#TRPBF, consider the required output current per channel, as the exact current ratings are to be verified from the datasheet. The I2C interface allows flexible configuration, making it ideal for designs requiring dynamic voltage scaling. The 54-pin QFN package is suitable for space-constrained layouts. For detailed specifications, refer to the official Analog Devices datasheet.
