RECOM RP20-2415SEW, RP20-243.3SEW, RP20-2412DEW, RP20-2412SEW, RP20-2415DEW Datasheet

● 20 Watts Output Power

● 4:1 Wide Input Voltage Range

● International Safety Standard

Approvals

● Six-Sided Continuous Shield

● High Efficiency up to 86%

● Standard 50.8 x 40.6 x 10.2mm

Package

● Fixed Switching Frequency

● UL 1950 Component Recognised

Features

Part Number Input Output Output Input Current Efficiency Capacitive

Range Voltage Current (see note 7) (see note 8) Load max.

VDC VDC mA mA % µF

RP20-243.3SEW 9-36 3.3 4000 764 76 13000

RP20-2405SEW 9-36 5 4000 1111 79 6800

RP20-2412SEW 9-36 12 1670 1082 81 2200

RP20-2415SEW 9-36 15 1330 1082 81 755

RP20-2405DEW 9-36 ±5 ±2000 1111 79 ±3400

RP20-2412DEW 9-36 ±12 ±833 1082 81 ±680

RP20-2415DEW 9-36 ±15 ±666 1068 82 ±450

RP20-483.3SEW 18-75 3.3 4000 377 77 13000

RP20-4805SEW 18-75 5 4000 548 80 6800

RP20-4812SEW 18-75 12 1670 541 81 2200

RP20-4815SEW 18-75 15 1330 541 81 755

RP20-4805DEW 18-75 ±5 ±2000 556 79 ±3400

RP20-4812DEW 18-75 ±12 ±833 527 83 ±680

RP20-4815DEW 18-75 ±15 ±666 521 84 ±450

RP20-243.305DEW
RP20-483.305DEW, output 3.3V(3A))/5V(2A), for detailed spec. contact Recom

Selection Guide 24V and 48V Input Types

RP20-4805SE: Derating & Efficiency Curves

125

75

50

25

0

100

Ambient Temperature Range (°C)

-40-25-10 0 50 60 70 80 90 100

Output Power (%)

Natural Convection

85

77
76

74

Input Voltage (V)

36

Efficiency (%)

78

79

80

81

82

83

84

75

40 55 6045 50 70 75

65

85

74
70

60

Output Load (A)

0.5

Efficiency (%)

76

78

80

81

82

83

84

65

11.522.5 4

3 3.5

RP20-4805SE Efficiency vs Output LoadRP20-4805SE Efficiency vs Input VoltageRP20-4805SE Derating Curve

125

75

50

25

0

100

Ambient Temperature Range (°C)

-40-25-10 0 50 60 70 80 90 100

Output Power (%)

Natural Convection

RP20-4805SE Derating Curve with Heat Sink
(see note 3)

PO 55www.recom-international.com August 2002

POWERLINE - DC/DC-Converter

EW-Series, 20W, 1.6 kV Isolation, 4:1 Wide Input Range (Single & Dual Output)

www.recom-international.comAugust 2002PO 56

Specifications (typical at nominal input and 25°C unless otherwise noted)

POWERLINE - DC/DC-Converter

EW-Series, 20W, 1.6 kV Isolation, 4:1 Wide Input Range (Single & Dual Output)

Output Power 20W max.

Voltage Accuracy (full Load and nominal Vin) Single & Dual ±2%

Auxiliary ±5%

Voltage Adjustability ±10%

Minimum Load (see note 1) 10% of FL

Line Regulation (LL-HL at FL) Single & Dual ±0.5%

Auxiliary ±5%

Load Regulation (10% to 100% FL) Single ±0.5%

Dual ±3%
Auxiliary ±5%

Cross Regulation (see note 2) Dual ±5%

Auxiliary ±5%

Ripple and Noise (20MHz BW) Single 75mVp-p

Dual 100mVp-p
Auxiliary 1% of Vout

Temperature Coefficient ±0.02% / °C max.

Transient Response Recovery Time (25% load step change) 500µsec

Over Voltage (zener diode clamp) 3.3V output 3.9V

5V output 6.2V
12V output 15V
15V output 18V

Short Circuit Protection Hiccup,automatic recovery

Input Voltage Range 24V types nominal input 9-36VDC

48V types nominal input 18-75VDC

Input Filter Pi Type

Input Surge Voltage (100 ms max.) 24V input 50VDC

48V input 100VDC

Input Reflected Ripple (see note 3) Nominal Vin and ful load 25mAp-p

Start Up Time (nominal Vin and constant resistor load) 20ms typ.

Remote ON/OFF (see note 4) DC-DC ON Open or 3.5V < Vr < 12V

DC-DC OFF Short or 0V < Vr < 1.2V

Remote Off Input Current 20mA

Efficiency See „Selection Guide“ table

Isolation Voltage 1600VDC

Isolation Resistance 109Ω

Isolation Capacitance 300pF max.

Switching Frequency 300kHz typ.

Approved to Safety Standards UL 1950, EN60950

Case Material Nickel-coated copper

Base Material Non-conducted black plastic

Potting Material Epoxy (UL94-V0)

Weight 48g

Dimensions 50.8 x 40.6 x 10.2 mm

MTBF (see note 5) 1.928 x 106Hours

Operating Temperature Range -40°C to +85°C (with derating)

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