Dual Input Bus Converter
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Technical Reference Note
Embedded Power for Business-Critical Continuity
ATCR250 Series
Dual Inpu...
Description
www.DataSheet.co.kr
Technical Reference Note
Embedded Power for Business-Critical Continuity
ATCR250 Series
Dual Input Bus Converter
Total Power: 250 Watts Input Voltage: -48 VDC Output: 12 V Intermediate Bus 3.3 V Management Bus
Rev. 06.14.11 ATCR250 Series 1 of 16
Special Features
Optimized footprint for high density ATCA applications Accepts inputs from -48 V and B Feeds CISPR Class A EMI Adjustable Hold Up Voltage from 50 to 80 VDC I2C serial bus interface for monitoring and reporting Programmable alarm thresholds via I2C bus Hardware alarms via opto isolators for loss of A or B Feeds Comprehensive protection circuitry current, voltage and temperature EU directive 2002/95/EC compliant for RoHS
Product Family: Function: Usage:
ATCR250 Dual Input Bus Converter
Definition: The dual input ATCR250 bus converter provides AdvancedTCA (ATCA/ PICMG3.0) board designers a compact and rugged solution for generating intermediate bus voltages in a footprint-optimized package. The ATCR250 is more than a power converter. It also provides power interface and power management functionality. The power interface functions include ORing, filtering and inrush control, while power management functionality is facilitated by both I2C serial bus and direct high-speed interfaces. Critical alarms, such as loss of A or B feeds, are hardware-implemented. Other alarms are implemented over an I2C serial bus which is enhanced with an interrup...
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