Embedded Power
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Embedded Power for Business-Critical Continuity
ATCR250-48D12-03J
Rev. 05.06.11_112 ATCR250...
Description
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www.DataSheet.co.kr
Embedded Power for Business-Critical Continuity
ATCR250-48D12-03J
Rev. 05.06.11_112 ATCR250 Series 1 of 3
Total Power: 250 Watts Input Voltage: -48 VDC Output: 12 V Intermediate Bus 3.3 V Management Bus
Electrical Specifications
Input
Input ra nge: Transient: External Input Capacitance: 36 V to -72 VDC -100 VDC (< 1 ms) 82uF max 11 A typ < 2ms -36 < VIN -77.5 ≤ VIN < 72 VDC 89% @ 250W 12 V Intermediate Bus 12.2 V 11.4 - 12.6 V 0 - 20.83 A 118% lo, max (typ) Shutdown/Autorecovery 50 mVp-p Vo > 13.4 VDC NA 1000 uF min 3.3 V Management Bus 3.32V 3.20 - 3.40 V 0 - 4.5 A 130% lo, max (typ) 40 mVp-p Vo > 3.6 VDC (typ) Vo < 3.0 VDC (typ) 100 uF min
Special Features
Inrush Current: Inrush Duration: Undervoltage Lockout: Overvoltage Lockout: Efficiency:
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
Output
Nominal Setpoint: Total Regulation Band1: Output Current: Current Limit: Short Circuit: Ripple and Noise2: Overvoltage: Undervoltage: External Output Capacitance:
Control/Monitoring
ON/OFF+ and ON/OFF-: I2C Serial Bus Interface: Remote ac...
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