W Series
125 and 250Watt AC-DC Converters
Input
Input voltage
world wide mains, single phase
derating information see application note
85...264 V AC
90...350 V DC
14...440 Hz
up to 0.99
Input frequency
Power factor
active PFC
Inrush current
virtually no inrush current
Output
Efficiency
Ui nom, Io nom
up to 89%
± 1.3% Uo nom
typ. 50 mV
≤1.2 Vpp
typ. 50 mV
–1.6% Uo nom
Output voltage setting accuracy Ui nom, Io nom
Output voltage noise
Output voltage ripple
Line and cross regulation
Load regulation
IEC/EN 61204
sinusoidal output ripple at wice the line frequency
Ui min...Ui max
0...100% Io nom, Ui nom
Minimum load
not required
Current limitation
rectangular U/I characteristic
1 s, electronically controlled
enabled by droop current share
Io nom, Uo decreases to 80% of Uo nom
101...112% Io nom
150% Io nom
Short term peak power
Operation in parallel
Hold-up time
typ. 15 ms
Control
Status indication
LED output(s) OK
Protection
Input fuse
not user accessible6.3 A, slow blow
bridge rectifier
Input reverse polarity
Input undervoltage lockout
Input overvoltage lockout
Input transient protection
Output(s)
typ. 80% Ui min
typ. 105% Ui 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
Output overvoltage
Overtemperature
30/60 V SELV
Safety
Approvals
EN 60950, UL 1950, CSA22.2 No. 950, UL 508 listed
Electric strength test voltage
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
Pollution degree
Degree of protection
IP 20
www.power-one.com
Edition 5/07.2001
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