BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Input Voltage Range

nom. Vin = 24V

nom. Vin = 48V

nom. Vin = 110V

9VDC

18VDC

43VDc

24VDC

48VDC

110VDC

36VDC

75VDC

160VDC

Under Voltage Lockout (UVLO)

Vin = 24V

DC-DC ON

DC-DC OFF

8VDC

9VDC

Vin = 48V

DC-DC ON

DC-DC OFF

16VDC

18VDC

Vin = 110V

DC-DC ON

DC-DC OFF

40VDC

43VDC

Input Filter

24Vin, 48Vin

Common Mode Choke

110Vin

Pi-Type

Input Reflected Ripple Current

nominal Vin and full load

30mAp-p

Input Surge Voltage

Vin =24V, 100 ms max.

Vin = 48V, 100 ms max.

Vin = 110V, 100 ms max.

50VDC

100VDC

170VDC

Start-up time

Power up

Remote ON/OFF

30ms

30ms

Operating Frequency Range

297kHz

330kHz

363kHz

Ripple and Noise

measured by 20Mhz bandwidth

with a 1µF/50V X7R MLCC

3.3Vout, 5Vout

12Vout, 15Vout

75mVp-p

100mVp-p

Positive Logic

DC-DC ON

DC-DC OFF

Open or 3.0V < Vr < 15V

Short or 0V < Vr < 1.2V

Negative Logic

DC-DC ON

DC-DC OFF

Short or 0V < Vr < 1.2V

Open or 3.0V < Vr < 15V

Input current of Remote pin (CTRL)

DC-DC OFF

2.5mA

DC-DC ON

-0.5mA

1.0mA

continued on next page

PD-2

REV.: 0/2016

www.recom-power.com

DC/DC Converter

RP20-FR

Series

Notes:

Note4: The ON/OFF control function can be positive or negative logic. The pin voltage is referenced to -Vin pin.

If no suffix is specified, the control pin will be omitted.

Efficiency vs. Output Current

Efficiency vs. Input Voltage full load

9Vin

24Vin

36Vin

Output Current [%]

10

50

55

60

65

70

75

90

95

20

40

60

80

100

30

50

70

90

80

85

Input Voltage [VDC]

9

65

60

70

75

80

85

95

15

18

24

30

36

12

21

27

33

90

RP20-2405SFR