Output - Main Output

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage - V1

12

48

VDC

See Models and Ratings table

Initial Set Accuracy

±1

%

50% load, 115/230 VAC

Output Voltage Adjustment-V1

5%

V1 only via potentiometer. See Mech. Details, Vfan will track

Minimum Load

0A

No minimum load required

Start Up Delay

2s

115/230 VAC full load.

Hold Up Time

10

20/13

ms

Min at full load, 115 VAC. Typical at 150W/ 225W

Drift

±0.02

%

After 20 min warm up

Line Regulation

±0.5

%

90-264 VAC

Load Regulation

±0.5

%

0-100% load.

Transient Response

4%

Recovery within 1% in less than 500 µs

for a 50-75% and 75-50% load step

Over/Undershoot

7%

Full load

Ripple & Noise

1

% pk-pk

20 MHz bandwidth and 10 µF electrolytic capacitator in

parallel with 0.1 µF ceramic capacitator.

Overvoltage Protection

110

140

%

Vnom, recycle input to reset

Overload Protection

110

170

% I nom

Short Circuit Protection

Trip & Restart

Temperature Coefficient

0.02

%/˚C

Overtemperature Protection

Measured internally, Auto Resetting

Output - Optional 5 V Standby Output

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage

5.0

VDC

Initial Set Accuracy

±1

%

50% load, 115/230 VAC

Minimum Load

0A

Start Up Delay

0.5

s

115/230 VAC full load.

Hold Up Time

300

ms

Min at full load, 115 VAC.

Drift

±0.02

%

After 20 min warm up

Line Regulation

±0.5

%

90-264 VAC

Load Regulation

±0.5

%

0-100% load.

Transient Response

4%

Recovery within 1% in less than 500 µs

for a 50-75% and 75-50% load step

Over/Undershoot

5%

Full load

Ripple & Noise

1

% pk-pk

20 MHz bandwidth and 10 µF electrolytic capacitator in

parallel with 0.1 µF ceramic capacitator

Overload Protection

3.0

4.0

A

Short Circuit Protection

Trip & Restart

Temperature Coefficient

0.02

%/˚C

Remote On/Off

Connect pin 3 of CN2 to pin 1 to turn main output off. Connect to pin 2 or leave open to turn main output on.

UCP225 Series

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AC-DC Power Supplies