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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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RT8092BCGWSC Datenblatt(PDF) 1 Page - Richtek Technology Corporation |
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RT8092BCGWSC Datenblatt(HTML) 1 Page - Richtek Technology Corporation |
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1 / 27 page  RT8092 ® DS8092-03 January 2017 www.richtek.com 1 © Copyright 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. General Description The RT8092 is a Peak-Current Mode Pulse-Width- Modulated (PWM) step-down DC/DC converter with I2C control interface. Capable of delivering 4A continuing output current over a wide input voltage range from 2.5V to 5.5V, the RT8092 is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. No external Schottky barrier diode is required in practical application. The RT8092 enters low-dropout mode when normal PWM cannot provide regulated output voltage by continuously turning on the upper P-MOSFET. The RT8092 enters shut- down mode and consumes less than 5 μA when the EN pin is pulled low. The switching ripple is easily smoothed- out by small package filtering elements due to a fixed operation frequency of 3MHz. This along with small WL-CSP-15B 1.2x2 (BSC) and WQFN-14L 3.5x3.5 packages provides small PCB area applications. To increase battery life time, the RT8092 provides low power mode with IQ < 15 μA in standby and light-load applications. The RT8092 also includes Dynamic Voltage Scaling (DVS) for system low power applications. The I 2C interface let the RT8092 controllable flexibly to 3MHz 4A High Efficiency Step-Down Converter with I2C Interface Simplified Application Circuit Features 2.5V to 5.5V Input Range Low Operation Quiescent Current Normal Mode IQ < 60 μμμμμA Low Power Mode IQ < 15 μμμμμA Output range From 0.3V to 5.5V Bank 0 : 0.3V to 0.7V Bank 1 : 0.6V to 1.4V Bank 2 : 1.2V to 2.8V Bank 3 : 2.4V to 5.5V The Default Value is 2.8V (VSEL = High) and 1V (VSEL = Low) 4A Continuing Output Current Support DVS in the Same Bank VOUT Adjusting Range (max, min) is Settable High Efficiency 90% at 5V 2.8V with 1.5A Load 3MHz Fixed-Frequency PWM Operation Auto-PSM/PWM or Force-PWM Selectable Support Remote Ground Sensing for Accurate Output Voltage select VOUT voltage level, peak current limit level, PWM control mode, and so on. Other features include soft-start, auto discharge, lower internal reference voltage, over- temperature, and over-current protection. VOUT RT8092 LX PGND AGND PVIN AVDD EN SCL SDA Enable Input Power Output I 2 C Control Load GNDR VSEL VOUT Select |
Ähnliche Teilenummer - RT8092BCGWSC |
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Ähnliche Beschreibung - RT8092BCGWSC |
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