
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
s
50% load change, 1A/s, 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 “l(fā)ow” 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
STATIC
Includes 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.