Kinetic Technology KTB8400 | Demoboard KTB8400AEDAA-MMEV01

Description

This Manual describes the detailed operation of the KTB8400 evaluation board. KTB8400 is a unique OptiComp buck switching regulator with class-leading accuracy, transient response, efficiency, and solution size optimized for mobile and non-mobile applications. The KTB8400 Evaluation (EVAL) board is used to demonstrate the KTB8400 Buck regulator detailed functionality, performance, and the PCB layout.

Features

• 2.5 to 5.5V Input Voltage Range
• Fixed Output Voltage = 1.3V
• 0.6 to 3.345V Programmable Option for Vout
• 6.25mV steps below 1.39375V
• 15mV steps above 1.44V
• 3.0A Output Current
• ±1% Accuracy at TA = +25°C
• ±2.5% over line/load/temp/setting
• Fast Transient Response
• Fast PLL Loop with accurate Switching frequency over load changes
• Dynamic Voltage Scaling (DVS) with 8 ramp rates
• 90% Peak Efficiency at Vout = 1.136V
• 2.4MHz with Auto-Skip at light loads
• Programmable forced-PWM mode
• 46uA typ. No-Load Supply Current in Skip Mode
• Tiny External Components
• L = 330 or 470nH (2012 or 2016 metric size)
• Cin = 10µF (0402), Cout = 2x22µF (2x0402)
• Soft Start, Over-Current, Short-Circuit, Under/Over VIN, and Thermal Shutdown Protections
• 1MHz I2C Interface
• -40°C to 85°C Operating Temperature Range
• 15-bump Pb-free WLCSP (0.4mm pitch)
• 1.340 x 2.045mm (0.6mm height)
• Pin/Register Compatible with FAN53527

Typical applications

• Smartphones, Mobile Internet Devices, IoT, DSC, Drones, Gaming Consoles, Accessories
• CPU, GPU, AP, DSP, FPGA, I/O, XCVR Power, HDD, LPDDR3, LPDDR4, LPDDR5 Memory Power

More information

• Datasheet
• IC product information