AC-DC POWER SUPPLIES

ASB75 Series

Input

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Input Voltage

90

264

VAC

Derate linearly from 75W load at 100VAC to 70W load at 90VAC

Input Frequency

47

63

Hz

Input Current

1.27/0.8

A

Measured at 115/230VAC

Inrush Current

100

A

230VAC, cold start at 25°C

Earth Leakage Current

500

μA

264VAC, 60Hz

No Load Input Power

0.15

W

Input Protection

Internal T2.0A/250VAC fitted in line

Output

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage

12

48

VDC

See Models and Ratings table

Initial Set Accuracy

1

%

At 60% load

Output Voltage Trim

90

110

%

Of nominal output voltage. See application note

Minimum Load

No minimum load required

Start Up Delay

1.3

s

Start Up Rise Time

40

ms

Hold Up Time

6

ms

Full load and 115VAC

Line Regulation

±0.5

%

Load Regulation

±0.5

%

Transient Response

2

%

Maximum deviation, recovering to less than 1% within 300μs for

25% step load

Ripple and Noise

1

% pk-pk

20MHz bandwidth, measured with 20MHz Bandwidth and 10μF

electrolytic in parallel with 0.1μF ceramic capacitor

Overload Protection

110

140

%

Overvoltage Protection

110

140

%

Auto recovery

Short Circuit Protection

Trip and restart (hiccup), auto resetting

Thermal Protection

Measured internally, auto resetting

Temperature Coefficient

0.02

%/°C

2

General

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Efficiency

90

%

See Models and Ratings table

Isolation: Input to Output

Input to Ground

Output to Ground

3000

VAC

1500

VAC

500

VDC

Switching Frequency

65

kHz

Power Density

20

Mean Time Between Failure

160

khrs

MIL-HDBK-217F at 25°C GB

Weight

0.26 (125)

lb (g)