The IP2002TRPBF is a versatile and efficient synchronous buck DC-DC regulator from Infineon Technologies, designed for point-of-load power conversion applications. This regulator integrates high-side and low-side MOSFETs, simplifying the design and reducing the overall solution size. Its high efficiency and comprehensive protection features make it an ideal choice for powering sensitive electronic components in a variety of applications.

Applications

• Point-of-load regulation in servers and workstations
• Powering FPGAs, ASICs, and microprocessors
• Embedded systems
• Networking equipment
• Industrial control systems

Features

• Synchronous buck regulator with integrated MOSFETs
• Wide input voltage range: 4.5V to 18V
• Adjustable output voltage
• High efficiency: up to 95%
• Programmable switching frequency
• Overcurrent protection, undervoltage lockout, and overtemperature protection
• Enable input for power sequencing

Benefits

• High Efficiency: Synchronous rectification minimizes switching losses, resulting in high efficiency and reduced heat dissipation.
• Simplified Design: Integrated MOSFETs reduce component count and simplify system implementation.
• Flexible Configuration: Adjustable output voltage and programmable switching frequency allow for optimization for different applications.
• Robust Protection: Comprehensive protection features safeguard the regulator and connected load from damage.
• Small Size: The compact package size allows for integration into space-constrained designs.

The IP2002TRPBF uses a synchronous buck topology, which replaces the traditional rectifier diode with a low-resistance MOSFET. This significantly reduces conduction losses and improves efficiency. The regulator includes an enable input, which allows for precise control of the output voltage and enables power sequencing in multi-rail power systems. The overcurrent protection limits the output current to prevent damage to the regulator or load, while the undervoltage lockout prevents the regulator from operating with insufficient input voltage. The overtemperature protection shuts down the regulator if it overheats.

The switching frequency can be programmed to optimize the trade-off between efficiency and component size. A higher switching frequency allows for the use of smaller external components but may reduce efficiency due to increased switching losses.