Richtek RT6278 | Demoboard EVB_RT6278BHGQUF

Description

The RT6278B is an advanced constant on-time (ACOT®) mode synchronous buck converter with the input voltage range from 4.5V to 23V and provides 8A output current. This document explains the function and use of the RT6278B evaluation board (EVB), and provides information to enable operation, modification of the evaluation board and circuit to suit individual requirements.

Features

• Input Voltage Range : 4.5V to 23V
• 8A Output Current
• ACOT® Mode Performs Fast Transient Response
• ACOT® Architecture to Enable All MLCC Output Capacitor Usage
• Fixed 500kHz Switching Frequency
• High Efficient Internal Power MOSFET Switch 24mΩ (High-Side) and 12mΩ (Low-Side)
• Adjustable Output Voltage from 0.6V to 5.1V
• Pre-biased Soft-Start
• Cycle-by-Cycle Over-Current Protection
• Input Under-Voltage Lockout
• Thermal Shutdown Protection
• Output Over/Under-Voltage Protection

Typical applications

• Networking Communication
• Computer Peripherals, LCD Monitors and TVs, Green Electronics/Appliances
• Industrial and Commercial Low Power Systems

More information

• IC product information