ATCR250-48D12-03J Datasheet | Emerson

ss w .Data Sheet.co.kr Embedded Power for Business-Critical Continuity 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) 82u F 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 m Vp-p Vo > 13.4 VDC NA 1000 u F min 3.3 V Management Bus 3.32V 3.20 - 3.40 V 0 - 4.5 A 130% lo, max (typ) 40 m Vp-p Vo > 3.6 VDC (typ) Vo < 3.0 VDC (typ) 100 u F 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 - prehensive protection circuitry - current, voltage and temperature - EU directive 2002/95/EC pliant for Ro HS 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 activation of Module. See ATCR250 Application Note For digital monitoring (Vout, Vin, Temp, lin) referenced to secondary side Isolation Characteristic Input to Output Isolation Voltage: 2250 VDC Input to Output Insulation:...