EWS SERIES
5 WATT
DESCRIPTION
EWS DC/DC converters offer excellent
regulation and isolation in an industry standard
package. Available in 5V or 12V input versions,
the EWS is ideal for industrial, datacom, or
telecom applications. The EWS features short
circuit protection, six-sided shielding, and 500
VDC isolation. Please see the EWD series for
dual output applications.
• 5V and 12V Inputs
• Input Pi Filter and
6-Sided Shielding
• Regulated Outputs
• 500V Isolation
EFFICIENCY %
FEATURES
• Industry Standard
Package
• Industry Standard Pinout
• 85°C Case Operation
• Short Circuit Protection
Efficiency vs. Load (12V Input)
90
85
80
75
70
65
60
55
50
EFF. EWS1212
EFF. EWS1215
TECHNICAL SPECIFICATIONS
Input
Voltage Range
5 VDC Nominal
12 VDC Nominal
Reflected Ripple
Reverse Input Current
4.5 - 9 VDC
9 - 18 VDC
20% I
in
Max.
100% I
in
Max.
45
10
20
30
40
50
60
70
80
90
10
LOAD %
General
Output
Setpoint Accuracy
±5%
±1.5% Vout
±2.5% Vout
10%
25% Iout
1% Vout
500
µs
0.02%/°C
150 mV
Continuous
130%
Switching Frequency
Isolation
Input - Output
Isolation Resistance - Input to Output
Standard Case Operating Range
Storage range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
Safety
Weight (approx.)
200 kHz
500 VDC
109 Ohms
-25 to +85°C
-40 to +125°C
95%
5 g, 10 - 55 Hz
UL, cUL, TUV
1.4 oz.
High Density - Board Mounted Power Division
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Temperature Coefficient
Ripple And Noise, 20 MHz BW
Short Circuit Protection 1
Current Limit
Notes
1 Converter will auto-restart once fault has been removed.
Specifications typically at 25°C, normal line, and full load, unless
otherwise stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully
compatible with commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please
consult factory for specific model information.
1
POWER-ONE [ POWER-ONE ]
