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PDF ATCR250-48D12-03J Data sheet ( Hoja de datos )
| Número de pieza | ATCR250-48D12-03J | |
| Descripción | Embedded Power | |
| Fabricantes | Emerson | |
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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
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
Safety
• UL, cUL 60950-1
• TUV EN60950-1
Electrical Specifications
Input
Input range:
-36 V to -72 VDC
Transient:
-100 VDC (< 1 ms)
External Input Capacitance: 82uF max
Inrush Current:
11 A typ
Inrush Duration:
< 2ms
Undervoltage Lockout:
Overvoltage Lockout:
Efficiency:
-36 < VIN
-77.5 ≤ VIN < 72 VDC
89% @ 250W
Output
Nominal Setpoint:
Total Regulation Band1:
Output Current:
Current Limit:
Short Circuit:
Ripple and Noise2:
Overvoltage:
Undervoltage:
External Output Capacitance:
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
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:
Basic
Environmental Specifications
Operating ambient temperature range:
Storage temperature:
MTBF:
-25 °C to +85 °C ambient
-40 °C to +125 °C
> 1 MHrs @ 25 °C 100% Load (Target)
Datasheet pdf - http://www.DataSheet4U.net/
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet ATCR250-48D12-03J.PDF ] | |
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