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ADP1050ACPZ-R7 数据表(PDF) 1 Page - Analog Devices |
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ADP1050ACPZ-R7 数据表(HTML) 1 Page - Analog Devices |
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1 / 93 page  Digital Controller for Isolated Power Supply with PMBus Interface Data Sheet ADP1050 FEATURES Versatile digital voltage mode controller High speed input voltage feedforward control 4 pulse-width modulation (PWM) logic outputs with 625 ps resolution Switching frequency: 49 kHz to 625 kHz Frequency synchronization as slave device Pulse skipping power saving mode Prebias startup Conditional overvoltage protection Extensive fault detection and protection PMBus compliant Graphical user interface (GUI) for ease of programming On-board EEPROM for programming and data storage Available in a 20-lead, 4 mm × 4 mm LFCSP −40°C to +125°C operating temperature APPLICATIONS High density, isolated dc-to-dc power supplies Intermediate bus converters High availability parallel power systems Server, storage, industrial, networking, and communications infrastructure GENERAL DESCRIPTION The ADP1050 is an advanced digital controller with a PMBus™ interface targeting high density, high efficiency dc-to-dc power conversion. This controller implements voltage mode control with high speed, input voltage feedforward operation for enhanced transient and noise performance. The ADP1050 has four programmable pulse-width modulation (PWM) outputs capable of controlling most high efficiency power supply topologies, with the added control of synchronous rectification (SR). The ADP1050 implements several features to enable a robust system of parallel and redundant operation for customers who require high availability. The device provides synchronization, prebias startup, and conditional overvoltage techniques to identify and safely shut down an erroneous power supply in parallel operation mode. The ADP1050 is based on flexible state machine architecture and is programmed using an intuitive graphical user interface (GUI). The easy to use GUI reduces design cycle time and results in a robust, hardware coded system loaded into the built- in EEPROM. The small size (4 mm × 4 mm) of the LFCSP package makes the ADP1050 ideal for ultracompact, isolated dc-to-dc power module or embedded power designs. TYPICAL APPLICATIONS CIRCUIT RES RTD ADD VCORE AGND OUTA OUTB CS1 SR1 SR2 VF OVP SYNI/FLGI VDD LOAD VS+ DC INPUT VS– ADP1050 ADuM3221 ADP3624 or ADP3654 PG/ALT CTRL SDA SCL PMBus Figure 1. Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2014 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com |
类似零件编号 - ADP1050ACPZ-R7 |
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类似说明 - ADP1050ACPZ-R7 |
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