General Information

• Manufacturer: Infineon Technologies
• Product Status: Available
• Package: Tape & Reel (TR), Cut Tape (CT), Digi-Reel®
• Function: Step-Down (Buck)

Electrical Characteristics

• Voltage - Input: 1V to 21V
• Voltage - Output: 0.5V to 18.06V
• Current - Output: 4A
• Frequency - Switching: 300kHz to 1.5MHz
• Synchronous Rectifier: Yes

Performance Features

• Wide Input Voltage Range: It can work with an input voltage ranging from 1.0V to 21V, suitable for various power supply applications.
• Programmable Switching Frequency: The switching frequency can be programmed from 300kHz to 1.5MHz, enabling optimal solutions for different requirements.
• Internal Digital Soft - Start/Soft - Stop: Ensures smooth startup and shutdown of the circuit, reducing electrical stress and interference.
• Enable Input with Voltage Monitoring Capability: Allows for easy control and monitoring of the power supply status.
• Thermally Compensated Current Limit: Protects the circuit from overcurrent damage under different thermal conditions with a robust hiccup mode over current protection.
• Smart Internal LDO: Improves light load and full load efficiency, enhancing the overall power efficiency.
• External Synchronization with Smooth Clocking: Facilitates synchronization with other components in the system for stable operation.
• Enhanced Pre - Bias Start - Up: Ensures reliable startup under pre - biased conditions.
• Precision Reference Voltage: Provides a precision reference voltage of 0.5V±0.5%, with margining capability for accurate voltage regulation.
• Vp for Tracking Applications: Supports tracking applications with a source/sink capability of ±4A.
• Integrated MOSFET Drivers and Bootstrap Diode: Reduces the need for external components, saving board space and cost.
• Thermal Shut Down: Protects the device from overheating by shutting down when the temperature exceeds a certain threshold.
• Programmable Power Good Output with Tracking Capability: Allows for easy monitoring and control of the power supply quality.
• Monotonic Start - Up: Guarantees a stable and monotonic startup process without voltage overshoot or oscillation.

Package Information

• Package/Case: 16 - PowerVQFN
• Dimensions: 4mm x 5mm
• Lead Form: No Lead
• Mounting Type: Surface Mount
• Height: 0.95mm (Max)

Applications

• Netcom Applications: Such as routers, switches, and other network communication equipment.
• Embedded Telecom Systems: Including base stations, optical network terminals, etc.
• Server Applications: For power supply in servers and data centers.
• Storage Applications: Such as hard drives, solid - state drives, and storage arrays.
• Distributed Point of Load Power Architectures: In various electronic systems that require distributed power supply.