EC3B Series - 7.5 Watt Wide Input DC-DC Converters
  • 7.5W Isolated Output
  • 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
EC3B01 9-18 VDC 5 VDC 1500 mA 7.5 mA 820 mA 76 B
EC3B02 12 VDC 625 mA 7.5 mA 780 mA 80
EC3B03 15 VDC 500 mA 7.5 mA 780 mA 80
EC3B04 ±12 VDC ±310 mA 12 mA 775 mA 80
EC3B05 ±15 VDC ±250 mA 12 mA 780 mA 80
EC3B06 ±5 VDC ±750 mA 7.5 mA 820 mA 76
EC3B07 3.3 VDC 1500 mA 7.5 mA 557 mA 74
EC3B11 18-36 VDC 5 VDC 1500 mA 5 mA 400 mA 78 B
EC3B12 12 VDC 625 mA 5 mA 380 mA 82
EC3B13 15 VDC 500 mA 5 mA 380 mA 82
EC3B14 ±12 VDC ±310 mA 7.5 mA 385 mA 81
EC3B15 ±15 VDC ±250 mA 7.5 mA 385 mA 81
EC3B16 ±5 VDC ±750 mA 7.5 mA 400 mA 78
EC3B17 3.3 VDC 1500 mA 5 mA 271 mA 76
EC3B21 36-72 VDC 5 VDC 1500 mA 2 mA 200 mA 78 B
EC3B22 12 VDC 625 mA 2 mA 192 mA 81
EC3B23 15 VDC 500 mA 2 mA 192 mA 81
EC3B24 ±12 VDC ±310 mA 3 mA 192 mA 81
EC3B25 ±15 VDC ±250 mA 3 mA 192 mA 81
EC3B26 ±5 VDC ±750 mA 3 mA 200 mA 78
EC3B27 3.3 VDC 1500 mA 3 mA 136 mA 76

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 voltage 1500 VDC min.
Isolation resistance 109 ohms
Switching frequency 100kHz, min.
Operating temperature range -25°C to +71°C
Case temperature 100°C max.
Cooling Free-air convection
Storage temperature range -40°C to +100°C
Dimensions 2 x 1 x 0.4inches (50.8 x 25.4 x 10.2mm)
Case material 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

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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