The CHL8113-00CRT is a highly integrated, multi-phase synchronous buck regulator controller from Infineon Technologies. It's designed for applications requiring high efficiency and precise voltage regulation, such as powering CPUs, GPUs, and memory in computing and server environments. This controller implements a constant-frequency, current-mode control scheme, providing fast transient response and excellent stability.

Applications:

• Desktop and notebook computers
• Servers and workstations
• Graphics cards
• High-performance embedded systems
• VRMs (Voltage Regulator Modules)

Features:

• Multi-phase operation: Supports up to 4 phases for high current applications and reduced ripple.
• Constant-frequency current-mode control: Provides excellent transient response and stability.
• Programmable switching frequency: Allows optimization for efficiency and component size.
• Overcurrent protection (OCP): Protects the load and regulator from damage due to excessive current.
• Overtemperature protection (OTP): Prevents overheating and potential damage to the controller.
• Adjustable output voltage: Enables precise voltage regulation for different loads.
• Remote sensing: Compensates for voltage drops across PCB traces for improved accuracy.
• Power Good (PG) signal: Indicates when the output voltage is within the specified range.
• Voltage Identification (VID) interface: Compatible with Intel VR12/VR12.5 and other VID standards for dynamic voltage scaling.

Benefits:

• High efficiency: Reduces power consumption and heat generation.
• Precise voltage regulation: Ensures stable and reliable operation of the load.
• Fast transient response: Minimizes voltage droop during load changes.
• Robust protection features: Protects the load and regulator from damage.
• Flexibility: Allows customization for different applications.
• Simplified design: Reduces the number of external components required.

Additional Details:

The CHL8113-00CRT typically operates with an input voltage range of 4.5V to 25V. The output voltage can be adjusted via external resistors or through the VID interface. The switching frequency is programmable, allowing designers to optimize for efficiency and component size. The controller also includes a variety of protection features, such as overcurrent, overvoltage, and overtemperature protection, to ensure reliable operation. It is available in a compact QFN package.