adp3418jrz-reel Analog Devices, Inc., adp3418jrz-reel Datasheet
adp3418jrz-reel
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adp3418jrz-reel Summary of contents
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... CMP VCC 6 DELAY 3 OD Figure 1. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADP3418 12V D1 C BST2 BST 1 C BST1 DRVH BST1 INDUCTOR SW 7 DRVL 5 Q2 PGND 6 www.analog.com ©2006 Analog Devices, Inc. All rights reserved. ...
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ADP3418 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Timing Characteristics..................................................................... 6 ...
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SPECIFICATIONS BST = 0°C to 85°C, unless otherwise noted Table 1. Parameter SUPPLY Supply Voltage Range Supply Current OD INPUT Input Voltage High Input Voltage Low ...
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ADP3418 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter VCC BST DC <200 ns BST <200 ns DRVH (DC) DRVH (<200 ns) DRVL (DC) DRVL (<200 ns) IN, OD Operating Ambient Temperature Range Operating Junction Temperature Range Storage ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 BST Upper MOSFET Floating Bootstrap Supply. A capacitor connected between the BST and SW pins holds this bootstrapped voltage for the high-side MOSFET as it ...
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ADP3418 TIMING CHARACTERISTICS OD DRVH OR DRVL IN t pdlDRVL DRVL DRVH-SW SW Figure 4. Timing Diagram—Timing Is Referenced to the 90% and 10% Points, Unless Otherwise Noted t t pdlOD pdhOD 90% 10% Figure 3. Output Disable Timing Diagram ...
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TYPICAL PERFORMANCE CHARACTERISTICS IN 1 DRVH 2 DRVL 3 Figure 5. DRVH Rise and DRVL Fall Times IN 1 DRVH 2 DRVL 3 Figure 6. DRVH Fall and DRVL Rise Times 12V 3nF LOAD ...
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ADP3418 25° 12V 3nF LOAD 200 400 600 800 FREQUENCY (kHz) Figure 11. Supply Current vs. Frequency 12V 3nF LOAD f ...
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THEORY OF OPERATION The ADP3418 is a dual MOSFET driver optimized for driving two N-channel MOSFETs in a synchronous buck converter topology. A single PWM input signal is all that is required to properly drive the high-side and the low-side ...
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ADP3418 APPLICATION INFORMATION SUPPLY CAPACITOR SELECTION For the supply input ( the ADP3418, a local bypass CC capacitor is recommended to reduce the noise and to supply some of the peak currents drawn, such as a 4.7 μF, ...
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The MOSFET vendor should provide a maximum voltage slew rate at the drain current rating such that this can be designed around. Once this specification is had, the next step is to determine the maximum current expected to be seen ...
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ADP3418 PC BOARD LAYOUT CONSIDERATIONS Use the following general guidelines when designing printed circuit boards: • Trace out the high current paths and use short, wide (>20 mil) traces to make these connections. • Connect the PGND pin of the ...
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Figure 15. VR 10.x-Compliant Intel CPU Supply Circuit Rev Page ADP3418 ...
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ADP3418 OUTLINE DIMENSIONS 4.00 (0.1574) 3.80 (0.1497) 0.25 (0.0098) 0.10 (0.0040) COPLANARITY CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN ORDERING GUIDE Model Temperature ...
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NOTES Rev Page ADP3418 ...
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... ADP3418 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C03229–0–3/06(D) T Rev Page ...