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RT6258C Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT6258C Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 24 page  ® DS6258B/C-03 November 2020 www.richtek.com 1 © Copyright 2020 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. RT6258B/C Features 4.5V to 23V (RT6258B) and 5.1V to 23V (RT6258C) Input Voltage Range 8A Output Current ACOT ® Mode Performs Fast Transient Response ACOT ® Architecture to Enable All MLCC Output Capacitor Usage Fixed 750kHz (RT6258C) and 500kHz (RT6258B) Switching Frequency High Efficient Internal Power MOSFET Switch- 20m Ω Ω Ω Ω Ω (High-Side) and 10mΩ Ω Ω Ω Ω (Low-Side) Fixed 3.3V (RT6258B) and 5V (RT6258C) LDOs Output Supply 100mA 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) General Description The RT6258B/C is an advanced constant on-time (ACOT®) mode synchronous buck converter. The main control loop of the RT6258B/C using an advanced constant on-time (ACOT®) mode control which provides a very fast transient response. The RT6258B operates from 4.5V to 23V input voltage and the RT6258C operates from 5.1V to 23V. 8A, 23V Synchronous Step-Down Converter with 3.3V/5V LDO Applications Industrial and Commercial Low Power Systems Computer Peripherals LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation for High-Performance DSPs, FPGAs, and ASICs Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Ordering Information Marking Information Package Type QUF : UQFN-12HL 3x3 (FC) (U-Type) RT6258B/C Lead Plating System G : Green (Halogen Free and Pb Free) Output Voltage B : 3.3V C : 5.1V LE=YM DNN LE= : Product Code YMDNN : Date Code RT6258BGQUF LJ=YM DNN LJ= : Product Code YMDNN : Date Code RT6258CGQUF |
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