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ECONOLINE - DC/DC-Converter
RSO Series, 1 Watt, SIP8, Regulated, Isolated (Single Output) Features

2:1 Wide Range Voltage Input 1kVDC Isolation Efficiency to 83% UL 94V-0 Package Material

0.05% typ. Line Regulation Continuous Short Circiut Protection with Current Foldback Low Noise
Selection Guide 5V, 12V, 24V and 48V Input Types
Part Number SIP8 RSO-0505 RSO-0509 RSO-0512 RSO-0515 RSO-1205 RSO-1209 RSO-1212 RSO-1215 RSO-2405 RSO-2409 RSO-2412 RSO-2415 RSO-4805 RSO-4809 RSO-4812 RSO-4815 Input Voltage Range (VDC) 5-9 5-9 5-9 5-9 9-18 9-18 9-18 9-18 18-36 18-36 18-36 18-36 36-72 36-72 36-72 36-72 Rated Output Voltage (VDC) 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 Output Current at Full Load (mA) 200 111 83 66 200 111 83 66 200 111 83 66 200 111 83 66 SIP8 Package Style
Capacitance
Cin Cout 5V, 12V & 24V types 48V type all types 10F, 50V 10F, 100V 100F, 25V
EC 34
August 2002
www.recom-international.com
ECONOLINE - DC/DC-Converter
RSO Series, 1 Watt, SIP8, Regulated, Isolated (Single Output) Electrical Specifications (measured at TA = 25C, at nominal input voltage and rated output current unless otherwise specified)
Input Voltage Range Output Accuracy Rated Power Isolation Voltage Ripple & Noise (B/W = 20MHz) Line Regulation Load Regulation (10% to 100% Load) Switching Frequency at Full Load Short Circuit Protection Operating Temperature Range Storage Temperature Range Efficiency 2:1 1% typ. 1 W max. 1kVDC
Output Power (Watts) 1.5 1.0 Safe Operating Area 0.5 0 -40 0 50 100 125 150 80 Operating Temperature C 2.0
50mV p-p max. 0.2% max. 0,5% max. 85kHz min. Continuous -40C to +80C (see graph) -50C to +125C up to 80%
Package Style and Pinning (mm)
8 Pin SIP Package Style
Cin
0.250.05 2.00.50 123 5678 3.20 typ.
Cout
All RSO-XXXX types 10uF, 100V Philips Part No. 15162109 100uF, 25V Philips Part No. 13556101
Recommended Footprint Details
2.54
21.80 max. 9.20 max.
1.0o+0.15/-0 2.54
Pin 3 (CTRL) This pin provides an Off function which puts the converter into a low power mode. When the pin is `high' the converter is OFF and when the pin is high `Z' the converter is ON. There is no allowed low state for this pin. Voltage to be applied via a limiting resistor with a recommended value of 1K for RSO05xx; 3.3K for RS-12xx; RS-24xx and 10K for RS-48xx) Pin 5 (NE) This pin is used internally and must have no external connection. Pin 8 (Cs) This pin provides a connection point to the main reservoir capacitor. Additional capacitance can be added from this to pin 7. Any low esr capacitor will improve ripple and noise in some measure. The benefit of this access point over simple additional output filter inductor. Maximum values of external capacitance will be depend on the output voltage/loading of the converter and the desired ripple figure. Starting values can be in the range of 100uF.
Control Pin Input Current:
11.10 max. 3.10min. 0.500.05 2.54 typ.
RSO-0505 RECOM ****
10mA
0.500.05
Voltage Set Point Accuracy with external input/output capacitors refer to recommended test circuit: Control Pin (CTRL) Input Current, control voltage applied via 1K resistor, output voltage must reduce to 0V:
typ. 1% max. 2%
Pin Connections Pin # Single Description 1 2 3 4 5 6 7 8 NE +Vout OVout CS GND +Vin CTRL Negative input Positive input Control input can (can be left open) Not fitted No exernal connection allowed Positive output Negative output Optional external capacitor
typ. 3mA max. 6mA
External capacitance Although these converter will work without external capacitors, they are necessary in order to guarantee the full parametric performance over the full line load range. All parts have been tested and characterised using the following recommended values and test circuit.
D2 C5 C6
C S Pin 8
L1
++ Pin 7 0V-
VO
External Cap.
www.recom-international.com
August 2002
EC 35

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