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RT8082 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT8082 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT8082 ® DS8082-00 November 2012 www.richtek.com 1 © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Applications LCD TV and Monitor Notebook Computers Distributed Power Systems IP Phones Digital Cameras General Description The RT8082 is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.7V to 5.5V and provides an adjustable regulated output voltage from 1V to 5V while delivering up to 3A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The switching ripple voltage is easily smoothed-out by small package filtering elements due to a fixed operating frequency of 2MHz. The 100% duty cycle provides low dropout operation extending battery input range in portable systems. Current mode operation with external compensation allows the transient response to be optimized over a wide range of loads and output capacitors. The RT8082 operates in forced continuous PWM Mode, which minimizes ripple voltage and reduces the noise and RF interference. 3A, 2MHz, Synchronous Step-Down Converter Features High Efficiency : Up to 95% 2MHz Fixed Frequency PWM Operation No Schottky Diode Required 1V Reference Allows Low Output Voltage Output Current up to 3A Forced Continuous Mode Operation Low Dropout Operation : 100% Duty Cycle Enable Function Power Good Function Internal Soft-Start RoHS Compliant and Halogen Free Simplified Application Circuit 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. Package Type QW : WDFN-12E 3x3 (W-Type) RT8082 Lead Plating System G : Green (Halogen Free and Pb Free) Marking Information 0E=YM DNN 0E= : Product Code YMDNN : Date Code EN VIN RT8082 VIN BIAS LX FB RBIAS L COUT VOUT CIN CFF R1 R2 CBIAS PGOOD RPGOOD PGND AGND PGOOD Enable |
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Similar Description - RT8082 |
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