Input

Output

SDH400

www.xppower.com

2

AC-DC Power Supplies

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Input Voltage

90

264

VAC

Input Frequency

47

63

Hz

Input Current

4.1

A

115 VAC (2.0 A at 230 VAC)

Inrush Current

70

A

230 VAC (35 A at 115 VAC)

Power Factor

>0.9

EN61000-3-2 class A

Earth Leakage Current

<0.5

mA

264 VAC

Input Protection

T6.3 A/250 V fuse

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage

3.3

60

VDC

See Models and Ratings table

Output Voltage Trim

±5

%

V1 (V2 of dual output models will track by same % of

adjustment)

Initial Set Accuracy

±1

%

Minimum Load

1 / 10

A

Single / Dual (for regulation)

Start Up Delay

2.0

s

115 VAC

Start Up Rise Time

40

ms

PD1224 model typically 80ms

Hold Up Time

10

13

ms

115 VAC

Drift

±0.5

%

After 20 min warm up

Line Regulation

±0.5

%

Load Regulation

±1 / ±3 / ±5

%

Single / Dual V1 / Dual V2 outputs

Over/Undershoot

1.5

5%

Transient Response

±5

%

Deviation, recovery to within 1% in 500 µs for a 50%

load change

Ripple & Noise

1

% pk-pk

Measured at 20 MHz BW and 22 µF electrolytic

and 0.1 µF ceramic at terminals

Overvoltage Protection

130

%

V1 recycle AC input to reset

Overload Protection

110

140

%

Short Circuit Protection - V1

Trip and restart, auto recovery

Remote On/Off

Applying short circuit between Remote On/Off pin and signal return turns output off.

Remote Sense

Compensates for 0.5 V max. voltage drop on single output models only.

General

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Efficiency

88 / 85

%

Single output / Dual output at 230 V and full load

Isolation: Input to Output

Input to Ground

Output to Ground

3000

VAC

1500

VAC

250

VDC

Switching Frequency

60 / 27

kHz

PFC / PWM

Power Density

6.25

Signals

Power Good

Mean Time Between Failure

115

kHrs

MIL-HDBK-217F at 25 °C GB

Weight

2.42/1.1

lb (kg)