EC5BW 15W Isolated DC-DC Converters
Application Note V10 May 2011
1
ISOLATED DC-DC Converter
EC5BW SERIES
APPLICATION NOTE
A
pproved By:
Department
Approved By Checked By Written By
James
Research and Development
Department
Quality Assurance
Department
EC5BW 15W Isolated DC-DC Converters
Application Note V10 May 2011
2
Content
1. INTRODUCTION 3
2. DC-DC CONVERTER FEATURES 3
3. ELECTRICAL BLOCK DIAGRAM 3
4. TECHNICAL SPECIFICATIONS 5
5. MAIN FEATURES AND FUNCTIONS 8
5.1 Operating Temperature Range 8
5.2 Remote ON/OFF (Option) 8
5.3 UVLO (Under Voltage Lock Out) 8
5.4 Over Current Protection 8
5.5 Over Voltage Protection 8
6. APPLICATIONS 8
6.1 Recommended Layout PCB Footprints and Soldering Information 8
6.2 Power De-Rating Curves for EC5BW Series 9
6.3 Efficiency vs. Load Curves 10
6.4 Input Capacitance at the Power Module 13
6.5 Test Set-Up 13
6.6 Output Voltage Adjustment (Option) 13
6.7 Output Ripple and Noise Measurement 14
6.8 Output Capacitance 14
7. SAFETY & EMC 15
7.1 Input Fusing and Safety Considerations. 15
7.2 EMC Considerations 15
8. PART NUMBER 18
9. MECHANICAL SPECIFICATIONS 18