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RT7266 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT7266 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 13 page  RT7266 ® DS7266-02 September 2012 www.richtek.com 1 © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Pin Configurations (TOP VIEW) General Description The RT7266 is an adaptive on-time ACOT TM mode synchronous buck converter. The adaptive on-time ACOT TM mode control provides a very fast transient response with few external components. The low impedance internal MOSFET can support high efficiency operation with wide input voltage range from 4.5V to 18V . The proprietary circuit of the RT7266 enables to support all ceramic capacitors. The output voltage can be adjustable between 0.8V and 8V. The soft-start is adjustable by an external capacitor. Ordering Information 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. SOP-8 (Exposed Pad) Marking Information Features ACOT TM Mode Enables Fast Transient Response 4.5V to 18V Input Voltage Range 3A Output Current 60m Ω Ω Ω Ω Ω Internal Low Site N-MOSFET Adaptive On-Time Control Fast Transient Response Support All Ceramic Capacitors Up to 95% Efficiency 700kHz Switching Frequency Adjustable Output Voltage from 0.8V to 8V Adjustable Soft-Start Cycle-by-Cycle Current Limit Input Under Voltage Lockout Thermal Shutdown Protection RoHS Compliant and Halogen Free EN FB PVCC SS VIN BOOT GND SW GND 2 3 4 5 6 7 8 9 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 RT7266 Package Type SP : SOP-8 (Exposed Pad-Option 2) Lead Plating System Z : ECO (Ecological Element with Halogen Free and Pb free) RT7266 ZSPYMDNN RT7266ZSP : Product Number YMDNN : Date Code 3A, 18V, 700kHz ACOTTM Synchronous Step-Down Converter |
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