Datasheet
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Input Voltage Range
nom. Vin = 24V
nom. Vin = 48V
9VDC
18VDc
24VDC
48VDC
36VDC
75VDC
Under Voltage Lockout (UVLO)
Vin = 24V
DC-DC ON
DC-DC OFF 8VDC
9VDC
Vin = 48V
DC-DC ON
DC-DC OFF 16VDC
18VDC
Input Filter Pi-Type
Input Reflected Ripple Current
(5)
nominal Vin and full load 30mAp-p
Input Surge Voltage
Vin = 24V, 100ms max.
Vin = 48V, 100ms max.
50VDC
100VDC
Start-up time
Power up
Remote ON/OFF
30ms
30ms
Operating Frequency Range
3.3Vout, 5Vout
Others
248kHz
297kHz
275kHz
330kHz
303kHz
363kHz
Minimum Load 0%
Optional Output Trim
(6)
±10%
Ripple and Noise
measured by 20Mhz bandwidth
with 1µF M/C X7R and a 10µF T/C
Single 75mVp-p
measured by 20Mhz bandwidth
with 1µF M/C X7R and 10µF T/C for
each output
Dual 100mVp-p
Remote ON/OFF
(6)
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 2mA
DC-DC ON -0.5mA 1mA
continued on next page
PD-2
REV.: 1/2016 www.recom-power.com
DC/DC Converter
RP20-AW
Series
Specifications measured at Ta = 25°C, nominal input voltage, full load otherwise noted
Notes:
Note5: Simulated source impedance of 12µH. 12µH inductor in series with +Vin.
Note6: 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
Efficiency [%]
Input Voltage [VDC]
9
65
70
75
80
85
95
15 18 24 30 3612 21 27 33
90
9Vin
24Vin
36Vin
Efficiency [%]
Output Current [%]
10
45
40
50
55
60
65
70
75
90
95
20 40 60 80 10030 50 70 90
80
85
RP20-2405SAW