RECOM RP20-242.5SF, RP20-243.3SF, RP20-241.5SF, RP20-241.8SF, RP20-4805SF Datasheet

PO 52 www.recom-international.comAugust 2002

Maximum Capacitive Load

RP20-481.5SF: Derating and Efficiency Curves, External Output Trimming

RP20-xx1.5SF 65000µF

RP20-xx1.8SF 65000µF

RP20-xx2.5SF 33000µF

RP20-xx3.3SF 13000µF

RP20-xx05SF 6800µF

POWERLINE - DC/DC-Converter

F-Series, 20W, 1.6 kV Isolation, 2:1 Wide Input Range (Single Output)

● 20 Watts max. Output Power

● 2:1 Wide Input Voltage Range

● International Safety Standard

Design

● Six-Sided Continuous Shield

● High Efficiency up to 88%

● Standard Package,

50.8 mm x 25.4 mm x 10.2 mm

● Fixed Switching Frequency

Features

Part Number Input Output Output Input Current Efficiency %

Voltage Voltage Current (see note 5) (see note 6)

RP20-241.5SF 18-36VDC 1.5VDC 6000mA 0.500A 79

RP20-241.8SF 18-36VDC 1.8VDC 6000mA 0.577A 82

RP20-242.5SF 18-36VDC 2.5VDC 6000mA 0.781A 84

RP20-243.3SF 18-36VDC 3.3VDC 5000mA 0.838A 86

RP20-2405SF 18-36VDC 5VDC 4000mA 0.992A 88

RP20-481.5SF 36-75VDC 1.5VDC 6000mA 0.247A 80

RP20-481.8SF 36-75VDC 1.8VDC 6000mA 0.285A 83

RP20-482.5SF 36-75VDC 2.5VDC 6000mA 0.386A 85

RP20-483.3SF 36-75VDC 3.3VDC 5000mA 0.414A 87

RP20-4805SF 36-75VDC 5VDC 4000mA 0.490A 89

Selection Guide 24V and 48V Input Types

125

75

50

25

0

100

Ambient Temperature Range (°C)

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

Output Power (%)

Natural Convection

125

75

50

25

0

100

Ambient Temperature Range (°C)

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

Output Power (%)

Natural Convection

Derating Curve without Heat-Sink

Derating Curve with Heat-Sink

83

75
74

72

Input Voltage (V)

36

Efficiency (%)

76

77

78

79

80

81

82

73

40 55 60 75

45 50 65 70

82

72
70

60

Output Load (A)

1

Efficiency (%)

74

76

77

78

79

80

81

65

23456

Efficiency vs Input Voltage

Trim

Up

Trim

Down

4

3

5

External Output Trimming

Efficiency vs Output Load

PO 53www.recom-international.com August 2002

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

Output Power 20W max.

Voltage Accuracy (full Load and nominal Vin) ±1%

Voltage Adjustability ±10%

Minimum Load (see note 1) 10% of FL

Line Regulation (LL-HL at FL) ±0.2% max.

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

Ripple and Noise, 20MHz BW (measured with a 104pF/50V MLCC) 75mVp-p

Temperature Coefficient ±0.02%/°C max.
Transient Response Recovery Time, 25% Load Step Change 300µsec

Over Voltage Protection (zener diode clamp): 1.5V Output TBD

1.8V Output TBD

2.5V Output 3.6V

3.3V Output 3.9V

5V Output 6.2V
Over Load Protection (% of full load at nominal Vin) 150% typ.
Short Circuit Protection Hiccup, Automatic Recovery

Input Voltage Range 24V types nominal input 18-36VDC

48V types nominal input 36-75VDC

Input Filter L-C Type

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

48V Input 100VDC

Input Reflected Ripple (see note 2) Nominal Vin and full load 100mAp-p

Start Up Time (nominal Vin and constant resistor load) 20ms typ.
Remote ON/OFF (see note 3) DC-DC ON Open or 3.5V < Vr < 12V

DC-DC OFF Short or 0V < Vr < 1.2V
Remote off Input Current Nominal Vin 2.5 mA

Isolation Voltage 1600VDC

Isolation Resistance 109Ω

Isolation Capacitance 1000pF

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 27g (0.95 oz)

Dimensions 50.8 x 25.4 x 10.2 mm

MTBF (MIL-HDBK-217F, TA = 25°C full load) 3.369 x 105Hours

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

Maximum Case Temperature +100°C

Storage Temperature Range -55°C to +105°C

Thermal Impedance (see note 4) Natural convection 12°C/Watt

Thermal Shock MIL-STD-810D

Vibration 10-55Hz, 2G, 3 Min. Period, 30 Min. along X, Y and Z

continued on next page

POWERLINE - DC/DC-Converter

F-Series, 20W, 1.6 kV Isolation, 2:1 Wide Input Range (Single Output)