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ADuM3220BRZ-RL7 Datasheet(PDF) 1 Page - Analog Devices |
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ADuM3220BRZ-RL7 Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page Isolated, 4 A Dual-Channel Gate Driver Data Sheet ADuM3220/ADuM3221 Rev. C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2010–2012 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES 4 A peak output current Precise timing characteristics 60 ns maximum isolator and driver propagation delay 5 ns maximum channel-to-channel matching High junction temperature operation: 125°C 3.3 V to 5 V input logic 4.5 V to 18 V output drive UVLO at 2.5 V VDD1 ADuM3220A/ADuM3221A UVLO at 4.1 V VDD2 ADuM3220B/ADuM3221B UVLO at 7.0 V VDD2 Thermal shutdown protection at >150°C Output shoot-through logic protection on the ADuM3220 Default low output High frequency operation: dc to 1 MHz CMOS input logic levels High common-mode transient immunity: >25 kV/μs Enhanced system-level ESD performance per IEC 61000-4-x Safety and regulatory approvals UL recognition 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 560 V peak Small footprint and low profile Narrow body, RoHS-compliant, 8-lead SOIC 5 mm × 6 mm × 1.6 mm Qualified for automotive applications APPLICATIONS Isolated synchronous dc-to-dc converters MOSFET/IGBT gate drivers GENERAL DESCRIPTION The ADuM3220/ADuM32211 are isolated, 4 A dual-channel gate drivers based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technol- ogy, these isolation components provide outstanding performance characteristics superior to the alternatives, such as the combination of pulse transformers and gate drivers. The ADuM3220/ADuM3221 provide digital isolation in two independent isolation channels. They have a maximum propagation delay of 60 ns and 5 ns channel-to-channel matching. In comparison to gate drivers that employ high voltage level translation method- ologies, the ADuM3220/ADuM3221 offer the benefit of true, galvanic isolation between the input and each output, enabling voltage translation across the isolation barrier. The ADuM3220 has shoot-through protection logic, which prevents both outputs from being on at the same time, whereas the ADuM3221 allows both outputs to be on at the same time. Both parts offer a default output low characteristic as required for gate drive applications. The ADuM3220/ADuM3221 operate with an input supply voltage ranging from 3.0 V to 5.5 V, providing compatibility with lower voltage systems. The outputs of the ADuM3220A/ADuM3221A can be operated at supply voltages from 4.5 V to 18 V. The outputs of the ADuM3220B/ADuM3221B can be operated at supply voltages from 7.6 V to 18 V. The junction temperature of the ADuM3220/ADuM3221 is specified from −40°C to +125°C. FUNCTIONAL BLOCK DIAGRAMS ENCODE ENCODE DECODE AND LEVEL SHIFT DECODE AND LEVEL SHIFT VDD1 VIA VIB GND1 VDD2 VOA VOB GND2 1 2 3 4 8 7 6 5 ADuM3220 ENCODE ENCODE DECODE AND LEVEL SHIFT DECODE AND LEVEL SHIFT VDD1 VIA VIB GND1 VDD2 VOA VOB GND2 1 2 3 4 8 7 6 5 ADuM3221 Figure 1. Figure 2. 1 Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,239. |
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