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229

April-2005

POWERLINE

DC/DC-Converter

RP20-S_D_TE

Series

125

75

50

25

0

100

Ambient Temperature Range (°C)

-25 -10 0

50 60 70 80 90 100

Natural Convection

-40

125

75

50

25

0

100

Ambient Temperature Range (°C)

-25 -10 0

50 60 69 80 90 100

Natural Convection

-40

RP20-4805SE

RP20-4805SEW With Heat Sink

85

77

76

74

Input Voltage (V)

36

78

79

80

81

82

83

84

75

40

55 60

45 50

70 75

65

Efficiency VS Input Voltage

82

74

70

60

Output Load (A)

0.5

76

78

80

81

65

1

1.5

2

3

4

84

83

85

2.5

2.5

Efficiency VS Output Load

RP20-4805SE

RP20-4805SE

Typical Characteristics

Input Voltage Range

12V nominal input

9-18VDC

24V nominal input

18-36VDC

48V nominal input

36-75VDC

Input Filter

Pi Type

Input Surge Voltage (100 ms max.)

12V Input

36VDC

24V Input

50VDC

48V Input

100VDC

Input Reflected Ripple (nominal Vin and full load)

25mAp-p

Start Up Time (nominal Vin and constant resistor load)

20ms typ.

Remote ON/OFF (see note 7)

DC-DC ON

Open or 3.5V < Vr < 12V

DC-DC OFF

Short or 0V < Vr < 1.2V

Remote OFF input current

Nominal input

20mA

Output Power

20W max.

Output Voltage Accuracy (full Load and nominal Vin)

Single & Dual

±2%

Triple 3.3V, 5V

±2%

Auxiliary

±5%

Voltage Adjustability

±10%

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