Manufacturer: Analog Devices
Key Specifications
- Package: 16-Lead QFN (4mm x 4mm)
- Output Current: 2.5A
- Input Voltage Range: 4V to 15V
- Switching Frequency: 1MHz (fixed)
- Quiescent Current: 75µA (typical)
- Operating Temperature: -40°C to 125°C (junction)
- Synchronous Rectification: Yes
- Control Architecture: Current Mode
The LTC3604IUD#TRPBF from Analog Devices is a high-efficiency, synchronous step-down DC/DC converter designed for space-constrained and power-sensitive applications. With an input voltage range of 4V to 15V, it delivers up to 2.5A of continuous output current. The device integrates low-resistance power switches and uses a current-mode architecture for fast transient response and stable operation.
Key Features
- Wide input voltage range: 4V to 15V
- Output current up to 2.5A
- Low quiescent current: 75µA (typical) for battery-powered systems
- Fixed 1MHz switching frequency enables small external components
- Internal synchronous rectifier for high efficiency
- Stable with ceramic output capacitors
- Over-temperature and over-current protection
- Compact 16-lead QFN package (4mm x 4mm)
Applications
- Portable and battery-powered equipment
- Distributed power systems
- Point-of-load regulation
- Industrial and automotive power supplies
- Networking and telecommunications equipment
Selection Guidance
The LTC3604IUD#TRPBF is suitable for designs requiring a balance of low standby power and high load efficiency. For lower output currents, consider the LTC3603. For higher input voltages, evaluate the LTC3605. Always verify thermal performance and loop stability under your specific operating conditions.
