Power-over-Ethernet
PALS AC-DC Series Data Sheet
JUL 06, 2006 revised to SEP 19, 2006 Page 2 of 5 www.power-one.com
Output Specifications
PARAMETER CONDITIONS/DESCRIPTION MIN NOM MAX UNITS
Efficiency Full rated load. 82 85 %
Minimum Loads Minimum loading required to maintain regulation. 0 A
Output Power (Does not include standby output power) PALS400: 400 Watts
PALS600: 600
Overshoot / Undershoot Output voltage overshoot/undershoot at turn-on. 3 %
Transient Response Maximum recovery time, to within 1% of initial set point due to a 400 µs
50% load change, 1A/µs, 2% max. deviation.
Turn-On Delay Time required for initial output voltage stabilization. 1 Sec
Turn-on Rise Time Time required for output voltage to rise from 10% to 90%. 100 ms
Interface Signals and Internal Protection
PARAMETER CONDITIONS/DESCRIPTION MIN NOM MAX UNITS
Overvoltage Protection Latch style overvoltage protection. Vo1 55.2 60.0 V
Vo2 13.8 15.0
Overcurrent Protection Straight line current limit, as a percentage of maximum rated load. 110 120 %
Short Circuit Protection Enabled during overcurrent conditions. 25 %
Overtemperature/ Time to shutdown due to excessive internal temperature or fan failure. TBD ms
Fan Failure Warning Latching shutdown. (Note 1)
Output Good TTL open collector signal. Percent of output voltage when V1 output is 3 5 %
within nominal range. Signal high indicates out of tolerance output.
(Note 1)
Input Power Fail Warning TTL open collector signal. Time before VOUT drops to 95% due to loss of input power. 5 ms
(Note 1)
Power Supply Present Signal Resistance of connection to logic ground to allow user to determine if 100 Ohms
power supply is present. (Note 1)
Current Share Active current share on Vo1 & Vo2 for load current >10% of full load share within: 5 %
Remote Sense Total voltage compensation for cable losses with respect to the main output. 1.0 V
Enable TTL compatible logic signal. Logic “low” required to enable each output. 2 mA
(Note 1)
Auxiliary Power Rated current of isolated 12 VDC power source. 500 mA
I2C Bus Management Interface
STATICIncludes static information such as: part number and revision level, output rating, serial number, date code, and manufacturing location.
STATUS (Logic 1 or 0)
Power Supply OK
AC Input OK
DC Output OK
Power Supply Seated
Overtemperature.
CONTROL SIGNAL
Inhibit
Safety, Regulatory, and EMI Specifications
PARAMETER CONDITIONS/DESCRIPTION MIN NOM MAX UNITS
Agency Approvals UL60950-1/CSA 22.2 No. 60950-1, EN60950-1 (TUV), and IEC60950-1.
Electromagnetic Interference FCC CFR title 47 Part 15 Sub-Part B - Conducted. B
EN55022 / CISPR 22 Conducted. B Class
ESD Susceptibility Per EN61000-4-2, level 4. 8 kV
Radiated Susceptibility Per EN61000-4-3, level 3. 10 V/M
EFT/Burst Per EN61000-4-4, level 4. ±4 kV
Surge Per EN61000-4-5, level 3. Line-to-Line 1 kV
Line-to-Ground 2
Leakage Current Per EN60950. at 265 VAC, 60 Hz 2.6 mA
NOTE: 1) Also available on I2C data line.