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ADP3110KRZ-RL1 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADP3110KRZ-RL1 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 12 page Dual Bootstrapped, 12 V MOSFET Driver with Output Disable ADP3110 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2005 Analog Devices, Inc. All rights reserved. FEATURES All-in-one synchronous buck driver Bootstrapped high-side drive One PWM signal generates both drives Anticross-conduction protection circuitry Output disable control turns off both MOSFETs to float output per Intel® VRM 10 specification APPLICATIONS Multiphase desktop CPU supplies Single-supply synchronous buck converters GENERAL DESCRIPTION The ADP3110 is a dual, high voltage MOSFET driver optimized for driving two N-channel MOSFETs, which are the two switches in a nonisolated synchronous buck power converter. Each of the drivers is capable of driving a 3000 pF load with a 25 ns propagation delay and a 30 ns transition time. One of the drivers can be bootstrapped and is designed to handle the high voltage slew rate associated with floating high-side gate drivers. The ADP3110 includes overlapping drive protection to prevent shoot-through current in the external MOSFETs. The OD pin shuts off both the high-side and the low-side MOSFETs to prevent rapid output capacitor discharge during system shutdown. The ADP3110 is specified over the commercial temperature range of 0°C to 85°C and is available in an 8-lead SOIC_N package. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM 2 3 OD IN ADP3110 VCC BST DRVH SW DRVL PGND DELAY VCC 6 DELAY CMP CMP 1V 4 1 7 CONTROL LOGIC 6 5 8 RBST RG CBST1 D1 CBST2 12V Q1 TO INDUCTOR Q2 Figure 1. |
Podobny numer części - ADP3110KRZ-RL1 |
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Podobny opis - ADP3110KRZ-RL1 |
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