The IR3515SPBF is a high-performance integrated PowIRstage® from Infineon Technologies, designed for synchronous buck converters in high-density power delivery applications. This device integrates a synchronous buck gate driver, control MOSFET, and synchronous MOSFET into a single package, optimizing efficiency, reducing component count, and simplifying board layout. The IR3515SPBF is ideal for applications requiring high current density and high switching frequency, such as server, telecom, and notebook power supplies.

Applications:

• Server Power Supplies
• Telecom Power Supplies
• Notebook Power Supplies
• Point-of-Load (POL) Converters
• Voltage Regulator Modules (VRMs)

Features:

• Integrated synchronous buck gate driver, control MOSFET, and synchronous MOSFET
• Optimized for high-density power delivery
• High efficiency and low power losses
• Over-temperature protection (OTP)
• Under-voltage lockout (UVLO)
• Pb-free lead finish; RoHS compliant

Benefits:

• Increased power density and reduced board space
• Simplified design and reduced component count
• Improved energy efficiency and reduced heat dissipation
• Enhanced system reliability due to integrated protection features
• Environmentally friendly due to Pb-free and RoHS compliance
• Optimized thermal performance

Additional Details:

The IR3515SPBF is a fully integrated PowIRstage® with a typical input voltage range of 4.5V to 16V and a typical output voltage range of 0.6V to 5.5V. It is designed for high switching frequencies, typically up to 1 MHz, allowing for smaller inductor and capacitor values. The device features over-temperature protection (OTP) and under-voltage lockout (UVLO) to protect the power stage from damage. It utilizes advanced packaging technology to optimize thermal performance and minimize board space requirements.

The integrated gate driver is optimized for driving the control and synchronous MOSFETs, minimizing switching losses and improving overall efficiency. The device is designed for easy implementation in a wide range of power supply applications.