KTB8331GEDAA-TR

Voltage Regulators - DC DC Switching Regulators Overview

The KTB8331GEDAA-TR is a programmable buck switching regulator IC manufactured by Kinetic Technologies. It operates with an input voltage range of 2.7V to 5.5V and provides a single positive output adjustable from 0.6V to 3.35V. The device delivers up to 3A of output current with a fixed switching frequency of 2.4MHz. It features synchronous rectification and is housed in a 15-WLCSP package measuring 1.34x2.05mm. The component supports I2C programming for dynamic voltage scaling and soft-start control, functioning within a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• I2C programmable architecture enabling dynamic voltage scaling and configurable ramp rates
• Adaptive-on-time topology optimized for fast transient response and high efficiency
• Integrated protection mechanisms including over-current, thermal shutdown, and under/over-voltage lockout

Voltage Regulators - DC DC Switching Regulators Applications

• CPU and GPU core power supply
• DSP and baseband processor power delivery
• DDR memory interface power (VIO)
• Sensor and analog circuit power regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'GEDAA' against official Kinetic Technologies documentation to confirm default configuration settings, as ordering suffixes may indicate variations in factory-set parameters or pin compatibility. Ensure the procurement source provides valid RoHS compliance data and confirms the WLCSP package dimensions match the required 1.34x2.05mm footprint for PCB layout integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution size is critical due to its tiny external component requirements, supporting inductors as small as 0402 capacitors. Choose this regulator for applications requiring precise voltage adjustment via I2C rather than fixed resistor networks. Consider the 2.4MHz switching frequency for balancing EMI performance against passive component size constraints in mobile or space-limited designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the KTB8331 series of low-voltage buck regulators designed for mobile and non-mobile applications. It shares pin and register compatibility with certain legacy components like the FAN53526, facilitating potential design-in replacements. The series emphasizes high accuracy and efficiency, targeting modern portable electronics that demand strict power management and rapid load transient handling.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.