W Series
Input
Input voltage
Input frequency
Power factor
Inrush current
125 and 250 Watt AC-DC Converters
world wide mains, single phase
derating information see application note
active PFC
virtually no inrush current
85...264 V AC
90...350 V DC
14...440 Hz
up to 0.99
Output
Efficiency
Output voltage setting accuracy
Output voltage noise
Output voltage ripple
Line and cross regulation
Load regulation
Minimum load
Current limitation
Short term peak power
Operation in parallel
Hold-up time
U
i nom
,
I
o nom
up to 89%
U
i nom
,
I
o nom
±
1.3%
U
o nom
IEC/EN 61204
typ. 50 mV
sinusoidal output ripple at wice the line frequency
≤1.2
V
pp
U
i min
...U
i max
typ. 50 mV
0...100%
I
o nom
,
U
i nom
–1.6%
U
o nom
not required
rectangular U/I characteristic
101...112%
I
o nom
1 s, electronically controlled
150%
I
o nom
enabled by droop current share
I
o nom
,
U
o
decreases to 80% of
U
o nom
typ. 15 ms
Control
Status indication
LED output(s) OK
Protection
Input fuse
Input reverse polarity
Input undervoltage lockout
Input overvoltage lockout
Input transient protection
Output(s)
Output overvoltage
Overtemperature
not user accessible 6.3 A, slow blow
bridge rectifier
typ. 80%
U
i min
typ. 105%
U
i max
voltage depending resistor (VDR)
no-load, overload and short circuit proof
second control loop, each output, 24 V/48 V
reduced output power if thermally overloaded
30/60 V SELV
Safety
Approvals
Electric strength test voltage
EN 60950, UL 1950, CSA22.2 No. 950, UL 508 listed
class I, I/case
class I, I/O
class I, O/case
class I, O/O
AC-in / DC-in
2 kV AC
3 kV AC
1 kV AC
0.35 kV AC
3/2
IP 20
Pollution degree
Degree of protection
www.power-one.com
Edition 5/07.2001
2
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