POWERLINE

DC/DC-Converter

RP20-S_DFW

Series

Input Voltage Range

24V nominal input

9-36VDC

48V nominal input

18-75VDC

Input Filter

Pi Type

Input Surge Voltage (100 ms max.)

24V Input

50VDC

48V Input

100VDC

Input Reflected Ripple (nominal Vin and full load)

20mAp-p

Start Up Time (nominal Vin and constant resistor load)

20ms typ.

Remote ON/OFF (see Note 1)

DC-DC ON

Open or 3.0V < Vr < 12V

DC-DC OFF

Short or 0V < Vr < 1.2V

Remote OFF input current

Nominal input

2.5mA

Output Power

20W max.

Output Voltage Accuracy (full Load and nominal Vin)

±1%

Minimum Load

0%

Line Regulation (low line, high line at full load)

±0.2%

Load Regulation (0% to 100% full load)

Single

±0.5%

Dual

±1%

Cross Regulation Dual Output (asymmetrical load 25%/100% full load)

±5%

Ripple and Noise (20MHz bandwith)

3.3V

60mVp-p

5.0, 12, 15V

75mVp-p

±5, ±12, ±15V

100mVp-p

Temperature Coefficient

±0.02%/°C max.

Transient Response (25% load step change)

250µs

Input Voltage Variation, dv/dt

complies with ETS300 132, part 4.4

5V/ms

Over Load Protection (% of full load at nominal Vin)

150% typ

Overvoltage Protection (Single)

Zener Diode Clamp

Undervoltage Protection

24V Input

DC-DC ON = 9VDC, DC-DC OFF = 8VDC

48V Input

DC-DC ON = 18VDC, DC-DC OFF = 16VDC

Short Circuit Protection

Continuous, automatic recovery

Efficiency

see „Selection Guide“ table

Isolation Voltage

In to Out and I/O to case

1600VDC min.

Isolation Resistance

10 G

Ω min.

Isolation Capacitance

1500pF max.

Operating Frequency

400kHz typ.

Operating Temperature Range

no derating

-40°C to +63°C

with derating

-40°C to +105°C

Maximum Case Temperature

+105°C

Storage Temperature Range

-55°C to +125°C

Thermal Impedance (see Note 8)

Natural convection

12°C/Watt

with Heatsink

10°C/Watt

Case Material

Nickel plated copper

Base Material

Non-conductive black plastic

continued on next page

November-2006

www.recom-international.com

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