2

www.power-one.com

Edition 5/7.2001

X Series

375 and 500 Watt AC-DC Converters

Input

Input voltage

world wide mains, single phase

85...264 V AC

for derating information see application note

90...350 V DC

Input frequency

wide frequency range

16 2/3...440 Hz

Power factor

active PFC

up to 0.99

Inrush current

virtually no inrush current

Output

Efficiency

up to 89 %

Output voltage setting accuracy

±1.3% U

o nom

Output voltage noise

IEC/EN 61204

typ. 50 mV

Output voltage ripple

sinusoidal output ripple at twice the line frequency

≤1.2 V

pp

Line and cross regulation

typ. 50 mV

Load regulation

0...100 %

–1.6%

Minimum load

not required

Current limitation

rectangular U/I characteristic

101...112 %

Short term peak power

1 s, electronically controlled

150%

Operation in parallel

enabled by droop current share

Hold-up time

typ. 15 ms

Control

Status indication

LED output(s) OK

Protection

Input reverse polarity

bridge rectifier

Input fuse

not user accessible

10 A, fast blow

Input undervoltage lockout

typ. 80%

Input overvoltage lockout

typ. 105 %

Input transient

voltage depending resistor (VDR)

Output(s)

no-load, overload and short circuit proof

Output overvoltage

second control loop, each output, 24/48 V

30/60 V SELV

Overtemperature

reduced output power if thermally overloaded

Safety

Approvals in progress

EN 60950, UL 1950, CSA22.2 No. 950, UL 508 listed

Electric strength test voltage

class I, I/case

2 kV AC

class I, I/O

3 kV AC

class I, O/case

1 kV AC

class I, O/O

0.35 kV AC

Pollution degree

AC-in / DC-in

3/2

Degree of protection

IP 20