EC4A Series - 5-6 Watt Wide Input DC-DC Converters
  • 5-6W Isolated Output
  • 24-Pin DIP Package
  • Regulated Outputs
  • Efficiency to 82%
  • 2:1 Input Range
  • Pi Input Filter
  • Continuous Short Circuit Protection

  Input Current  
Model No. Input Voltage Output Voltage Output Current No Load Full Load %EFF. Case
EC4A01 9-18 VDC 5 VDC 1000 mA 7.5 mA 545 mA 76 A
EC4A02 12 VDC 470 mA 7.5 mA 585 mA 80
EC4A03 15 VDC 400 mA 7.5 mA 625 mA 80
EC4A04 ±12 VDC ±230 mA 12 mA 575 mA 80
EC4A05 ±15 VDC ±190 mA 12 mA 590 mA 80
EC4A06 ±5 VDC ±500 mA 12 mA 545 mA 76
EC4A07 3.3 VDC 1000 mA 7.5 mA 393 mA 70
EC4A11 18-36 VDC 5 VDC 1000 mA 5 mA 265 mA 78 A
EC4A12 12 VDC 470 mA 5 mA 285 mA 82
EC4A13 15 VDC 400 mA 5 mA 305 mA 82
EC4A14 ±12 VDC ±230 mA 7.5 mA 285 mA 81
EC4A15 ±15 VDC ±190 mA 7.5 mA 295 mA 81
EC4A16 ±5 VDC ±500 mA 7.5 mA 265 mA 78
EC4A17 3.3 VDC 1000 mA 5 mA 197 mA 70
EC4A21 36-72 VDC 5 VDC 1000 mA 2 mA 133 mA 78 A
EC4A22 12 VDC 470 mA 2 mA 145 mA 81
EC4A23 15 VDC 400 mA 2 mA 154 mA 81
EC4A24 ±12 VDC ±230 mA 3 mA 142 mA 81
EC4A25 ±15 VDC ±190 mA 3 mA 147 mA 81
EC4A26 ±5 VDC ±500 mA 3 mA 265 mA 78
EC4A27 3.3 VDC 1000 mA 2 mA 98 mA 70

Technical Specifications
Input Specifications:
Input voltage range 12V, 9-18V
24V, 18-36V
48V, 36-72V
Input filter Pi Type
Output Specifications:
Voltage accuracy ±2.0% max.
Voltage Balance (Dual) ±1.0% / max.
Temperature coefficient ±0.05% / °C
Ripple and noise, 20MHz BW 3.3V / 5V, 100mV p-p max.
12V / 15V, 1% p-p max.
Short circuit protection continuous
Load regulation, single/dual1 ±0.5%
Load regulation, single2 ±0.5%
Load regulation, dual3 ±1.0%
General Specifications:
Efficiency see table
Isolation resistance 109 Ohms
Switching frequency 100kHz min.
Operating temperature range -25°C to +71°C
Case temperature (plastic case) 95°C max.
Case temperature (copper case) 100°C max.
Cooling Free-air convection
Storage temperature range -40°C to +100°C
Dimensions 1.25 x 0.8 x 0.4inches (31.8 x 20.3 x 10.2mm)
Isolation Voltage:
500 VDC min. Standard models
3K VDC min.4 Suffix "H" models
Case Material:
Standard models Non-conductive black plastic
Suffix "M" models5 Black coated copper with non-conductive base

Note:
1. Measured from high line to low line
2. Measured from full load to 10% load
3. Measured from full load to 1/4 load
4. Non-conductive black plastic only
5. Suffix "HM" 1.5 VDC instead of 3K VDC isolation

All specifications typical at nominal line, full load and 25°C unless otherwise noted.
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Amalgen Technologies Pty Ltd
43 Anderson Road,
Mortdale NSW 2223 Australia
Phone: +61 2 9570 2855
Fax: +61 2 9580 5128
 
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