EC3A Series - 3 Watt Wide Input DC-DC Converters
  • 3W Isolated Output
  • 24-Pin DIP Package
  • Regulated Outputs
  • Efficiency to 80%
  • 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
EC3A01 4.5-6.0 VDC 5 VDC 600 mA 15 mA 850 mA 70 A
EC3A02 12 VDC 250 mA 15 mA 800 mA 75
EC3A03 15 VDC 200 mA 15 mA 800 mA 75
EC3A04 ±5 VDC ±300 mA 25 mA 850 mA 70
EC3A05 ±12 VDC ±125 mA 25 mA 800 mA 75
EC3A06 ±15 VDC ±100 mA 25 mA 800 mA 75
EC3A07 3.3 VDC 600 mA 15 mA 619 mA 64
EC3A11 9-18 VDC 5 VDC 600 mA 7.5 mA 340 mA 73 A
EC3A12 12 VDC 250 mA 7.5 mA 320 mA 78
EC3A13 15 VDC 200 mA 7.5 mA 320 mA 78
EC3A14 ±5 VDC ±300 mA 12 mA 340 mA 73
EC3A15 ±12 VDC ±125 mA 12 mA 320 mA 78
EC3A16 ±15 VDC ±100 mA 12 mA 320 mA 78
EC3A17 3.3 VDC 600 mA 7.5 mA 236 mA 70
EC3A21 18-36 VDC 5 VDC 600 mA 5 mA 168 mA 74 A
EC3A22 12 VDC 250 mA 5 mA 156 mA 80
EC3A23 15 VDC 200 mA 5 mA 156 mA 80
EC3A24 ±5 VDC ±300 mA 7.5 mA 168 mA 74
EC3A25 ±12 VDC ±125 mA 7.5 mA 156 mA 80
EC3A26 ±15 VDC ±100 mA 7.5 mA 156 mA 80
EC3A27 3.3 VDC 600 mA 5 mA 113 mA 73
EC3A31 36-72 VDC 5 VDC 600 mA 2 mA 82 mA 76 A
EC3A32 12 VDC 250 mA 2 mA 78 mA 80
EC3A33 15 VDC 200 mA 2 mA 78 mA 80
EC3A34 ±5 VDC ±300 mA 3 mA 82 mA 76
EC3A35 ±12 VDC ±125 mA 3 mA 80 mA 78
EC3A36 ±15 VDC ±100 mA 3 mA 80 mA 78
EC3A37 3.3 VDC 600 mA 3 mA 58 mA 71

Technical Specifications
Input Specifications:
Input voltage range 5V, ±10%
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
6. Dual output models with separated output available

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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