EC4SBW 20W Isolated DC-DC Converters
Application Note V10 June 2017
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 9
5.1 Operating Temperature Range 9
5.2 Remote On/Off 9
5.3 UVLO (Under Voltage Lock Out) 9
5.4 Over Current Protection 9
5.5 Over Voltage Protection 9
6. APPLICATIONS 9
6.1 Recommended Layout PCB Footprints and Soldering Information 9
6.2 Power De-Rating Curves for EC4SBW Series 10
6.3 Efficiency vs. Load Curves 11
6.4 Input Capacitance at the Power Module 13
6.5 Test Set-Up 13
6.6 Output Voltage Adjustment 13
6.7 Output Ripple and Noise Measurement 14
6.8 Output Capacitance 15
7. SAFETY & EMC 16
7.1 Input Fusing and Safety Considerations. 16
7.2 EMC Considerations 16
8. PART NUMBER 22
9. MECHANICAL SPECIFICATIONS 22