KTB8331AEDAA-TR

Voltage Regulators - DC DC Switching Regulators Overview

The KTB8331AEDAA-TR is a low-voltage, I2C programmable buck regulator manufactured by Kinetic Technologies. It operates with an input voltage range of 2.7 V to 5.5 V and delivers a maximum output current of 3 A. The device features a fixed switching frequency of 2.4 MHz and supports programmable output voltages from 600 mV to 3.345 V. It includes dynamic voltage scaling (DVS) and soft-start capabilities. The component is housed in a 15-bump WLCSP package measuring 1.34 x 2.05 mm and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• I2C programmable architecture enabling precise digital control over output voltage settings and operational modes
• Adaptive-on-time topology providing fast transient response and high efficiency across varying load conditions
• Integrated dynamic voltage scaling with multiple programmable ramp rates for optimized power management
• Comprehensive protection suite including over-current, short-circuit, under/over-voltage, and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• CPU and GPU core power supply
• DSP and baseband processor power delivery
• DDR memory interface power
• VIO and sensor/analog circuit power

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AEDAA' against official Kinetic Technologies documentation to confirm default configuration parameters. Ensure compatibility with existing PCB footprint and I2C addressing scheme. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high accuracy and small solution size. The 2.4 MHz frequency allows for compact external inductors and capacitors. Verify that the required output voltage steps align with the device's resolution specifications below and above 1.39375 V. Ensure the system I2C bus supports the 1 MHz interface speed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the KTB8331 family of precision adaptive-on-time buck regulators. It is designed for mobile and non-mobile applications requiring efficient power conversion. The device offers pin and register compatibility with certain legacy components, facilitating design upgrades while maintaining board layout constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Official documentation indicates pin and register compatibility with the FAN53526. Verify functional equivalence and electrical parameter alignment before substituting.