The IR3564BMPBF is a high-performance, single-phase synchronous buck regulator from International Rectifier (now Infineon Technologies). It's designed for CPU core power delivery in a variety of applications, offering excellent transient response and efficiency. This regulator incorporates advanced control features to optimize performance over a wide range of operating conditions.
Applications:
- Desktop PC Motherboards: Used for CPU core voltage regulation.
- Notebook Computers: Provides efficient power delivery to the CPU.
- Server Platforms: Suitable for server applications requiring stable and efficient power.
- Graphics Cards: Powers the GPU core, ensuring stable performance under load.
- Embedded Systems: Can be used in embedded systems requiring a single-phase buck regulator.
Features:
- Single-Phase Operation: Simplifies design and reduces component count.
- Synchronous Buck Topology: Enhances efficiency by replacing the diode with a MOSFET.
- Adjustable Output Voltage: Allows for fine-tuning of the output voltage to meet specific requirements.
- Overcurrent Protection (OCP): Protects the regulator and load from damage due to excessive current.
- Overtemperature Protection (OTP): Shuts down the regulator if the temperature exceeds a safe level.
- Under Voltage Lockout (UVLO): Prevents the regulator from operating with insufficient input voltage.
- Power Good Output: Indicates the status of the output voltage.
- Voltage Positioning: Improves transient response by dynamically adjusting the output voltage based on load current.
- Remote Sensing: Compensates for voltage drops between the regulator and the load.
Benefits:
- High Efficiency: Reduces power consumption and heat generation.
- Excellent Transient Response: Ensures stable output voltage under rapidly changing load conditions.
- Robust Protection Features: Protects the regulator and load from damage.
- Simplified Design: Reduces component count and design complexity.
- Improved System Performance: Stable and efficient power delivery enhances overall system performance.
Additional Details:
The IR3564BMPBF typically operates with an input voltage range of 4.5V to 25V and can deliver output currents up to 25A, depending on the application and external components. It is available in a compact package, suitable for space-constrained applications. Detailed specifications, including switching frequency, efficiency curves, and thermal characteristics, can be found in the manufacturer's datasheet.