RT6318C Datasheet | Richtek

Description The RT6318B/C is an advanced constant on-time (ACOT®) mode synchronous buck converter. The main control loop of the RT6318B/C using an advanced constant on-time (ACOT®) mode control which provides a very fast transient response. The RT6318B operates from 4.5V to 23V input voltage and the RT6318C operates from 5.1V to 23V. Applications - Industrial and mercial Low Power Systems - puter Peripherals - LCD Monitors and TVs - Green Electronics/Appliances - Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs Features - 4.5V to 23V (RT6318B) and 5.1V to 23V (RT6318C) Input Voltage Range 8A Output Current - ACOT® Mode Performs Fast Transient Response - ACOT® Architecture to Enable All MLCC Output Capacitor Usage - Fixed 750k Hz (RT6318C) and 500k Hz (RT6318B) Switching Frequency - High Efficient Internal Power MOSFET Switch- 20mΩ (High-Side) and 10mΩ (Low-Side) - Fixed 3.3V (RT6318B) and 5V (RT6318C) LDOs Output Supply 100m A - Pre-biased Soft-Start - Cycle-by-Cycle Over-Current Protection - Input Under-Voltage Lockout - Thermal Shutdown Protection - Output Over-/Under-Voltage Protection - Ultrasonic Mode (USM) Simplified Application Circuit VIN VCC VEN VLDO RT6318B/C PGOOD BOOT EN LDO LX VOUT FF AGND PGND VPGOOD VOUT Copyright ©2021 Richtek Technology Corporation. All rights reserved. DS6318B/C-01 December 2021 is a registered trademark of Richtek Technology...