Vishay SiC46x and SiC47x microBUCK Evaluation Boards
Vishay SiC46x and SiC47x microBUCK Evaluation Boards feature UVLO capability on the input rail and a user-programmable soft start for enhanced versatility and protection. The SiC46x and SiC47x evaluation boards provide an adjustable switching frequency range of 100kHz to 2MHz and are functional in forced continuous conduction, power saving, and ultrasonic modes. These evaluation boards offer fast transient response, tight ripple control, high efficiency at light loads, and supply continuous currents up to 10A with a configurable output voltage as low as 0.8V. The SiC46x and SiC47x boards are designed for a variety of applications, including industrial computing, robotics, power tools, and home automation.
Features
- Achieves up to 98% peak efficiency
- Adjustable soft start and current limit
- Allows start-up with pre-biased output voltage
- Includes forced continuous conduction, power saving, and ultrasonic operation modes
- Output over-voltage protection
- Output under-voltage and short circuit protection with auto-retry
- Power good flag and over-temperature protection
Applications
- Base station power supplies
- Battery management systems
- Drones
- Home automation
- Industrial and automation
- Industrial computing
- Power tools
- Robotics
- Vending, ATM, and slot machine
- Wall transformer regulation
Technical Specifications
| Parameters | Values | |
|---|---|---|
| Adjustable switching frequency range | 100kHz to 2MHz | |
| Input voltage | SiC461 and SiC462 | 4.5V to 60V |
| SiC471 and SiC472 | 55V | |
| Output voltage accuracy | ±1% at -40°C to +125°C | |
| Adjustable output voltage | 0.8V | |
| Supply current at shutdown | 5μA | |
