xppower.com

2

General Specifications

Input Characteristics

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Input Voltage

18.5

28

34

VDC

Input Current

27

38

A

At 18.5 V 400 W and 600 W respectively

Inrush Current

<60

A

UVLO

<18

VDC

Reverse Voltage Protection

Internally provided

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Efficiency

75

%

Isolation

500

VDC

Input to output, output to chassis, input

to chassis

Inhibited Current

5

mA

When input inhibit is used

Input Inhibit

Global enable and disable function on Input CN1 connector, short to input ground to inhibit (see control signal section)

Output Inhibit

Each regulated output has independent inhibit, TTL high to inhibit (see control signal section)

DC OK Signal

Optional on output voltages

≥5 VDC Isolated opto-coupler transistor output

Environmental

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Operating Case Temperature

-40

+90

ºC

Baseplate temperature

Extended Temperature Range

-55

+100

ºC

Storage Temperature

-55

+90

ºC

Humidity

20

95

%

Non condensing

Shock

40

g

MIL-STD 810F, Method 516.5-1

Vibration

Minimum integrity test for military equipment

MIL-STD 810F, Method 514.5C-17

Output Characteristics

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Output Voltage

2

48

VDC

O/P 1 to 4

Output Voltage Adjustment

-60

+10

%

O/P 1 to 4, factory adjustable for trimming

below 90 %, a min load of 10% is required

Auxiliary Output Voltage

V

Vin - 2 VDC minimum, 36 VDC (clamped)

maximum

Auxiliary Output Power

200

W

For MCC600, 9 A max

Maximum Auxiliary Output

<36

VDC

Vout clamped

Minimum Load

No minimum load

Output ripple increases at Pout <10%

Pout max

Line Regulation

<1 %

Load Regulation

<1 %

Output Set Tolerance

±100 mV

Hold Up

1 ms 200 W at 28 VDC I/P

0.5 ms 400 W at 28 VDC I/P

For external hold up see calculations

Ripple and Noise

50 mV

1 %

Pk-pk, which is greater, at 20 MHz bandwidth

Temperature Coefficient

±0.05

% / ºC

Overvoltage Protection

110

120

%

Vout nominal, recycle input to restart

Overcurrent Protection

110

120

%

I out nominal, auto recovery

Short Circuit Protection

Continuous with auto restart

Overtemperature Protection

>90

ºC

Baseplate temperature with auto restart

Remote Sense

0.5

VDC

O/P 1 and 2 only

Low Noise Output

25

45

mV

Reduction for O/P 1 and 2

Reduction for O/P 3 and 4

1. For -55 şC to +100 şC extended operating range, use suffix E in the part number. See model numbering system.