Switching Power Supply Technical Manual

1 Switching Power Supply Technical Manual Chapter 1 Introduction To Power Supply Introduction To Linear Power Supply ---------------------------------------- - 1-1. Introduction To Switching Power Supply ----------------------------------- 1-2. Comparison Between Switching Power Supply And Linear Power Supply ---------------------------------------- ---------------------------------------- - 1-4. Application Of Switching Power Supply ------------------------------------- 1-5. Circuit Principle of Switching Power Supply ------------------------------- 1-5. The Characteristics and Applications of Hard Switching Converters in ---------------------------------------- ----------------------- 1-10.

2 The Characteristics and Applications of Soft Switching Converters in ---------------------------------------- ----------------------- 1-11. The Characteristics and Applications of High-Efficiency Secondary Topologies in ---------------------------------------- ------- 1-12. Circuit Classification of Mean Well's Products ---------------------------- 1-13. Example of A Typical Switching Power Supply -------------------------- 1-14. Chapter 2 Explanation Of Switching Power Supply Specification Input Voltage / Frequency ---------------------------------------- ---------------- 2-1. Input Current / Power Factor ---------------------------------------- ------------ 2-2.

3 Inrush Current ---------------------------------------- -------------------------------- 2-2. Line Regulation ---------------------------------------- ------------------------------ 2-3. Leakage Current ---------------------------------------- ----------------------------- 2-4. Output Voltage / Tolerance / Adjustment Range -------------------------- 2-4. Maximum Output Current / Power ---------------------------------------- ----- 2-4. Ripple noise ---------------------------------------- ---------------------------------- 2-5. Load Regulation ---------------------------------------- ----------------------------- 2-6. Cross Regulation ---------------------------------------- -------------------------- 2-6.

4 Efficiency ---------------------------------------- ------------------------------------- 2-6. Set Up, Rise, Hold-Up Time ---------------------------------------- ------------ 2-7. Overshoot, Undershoot ---------------------------------------- ----------------- 2-7. Transient Recovery Time ---------------------------------------- ---------------- 2-8. Temperature Coefficient ---------------------------------------- ----------------- 2-8. Over Current Protection ( ) / Over Load Protection ( ) -- 2-8. Over Voltage Protection ( ) ---------------------------------------- ------ 2-9. Over Temperature Protection ( ) --------------------------------------- 2-10.

5 Vibration Test ---------------------------------------- ------------------------------- 2-10. Switching Power Supply Technical Manual Hi-Pot Test ---------------------------------------- ----------------------------------- 2-11. Isolation Resistance ---------------------------------------- ---------------------- 2-12. Power Good ( )/(Pok) And Power Fail ( ) Signal------------------ 2-12. Alarm ---------------------------------------- ---------------------------------------- -- 2-12. Auxiliary Power 2-13. ---------------------------------------- ----------------------------- Chapter 3 Introduction To Safety Introduction To Safety ---------------------------------------- --------------------- 3-1.

6 Introduction To Regulations ---------------------------------------- ------------- 3-1. Safety Marks found on MW products ---------------------------------------- - 3-2. Safety Related Terminology 3-2. Category Of Safety Tests ---------------------------------------- ----------------- 3-4. ---------------------------------------- -------------- Comparison between regulations ---------------------------------------- ----- 3-12. Reference data ---------------------------------------- ------------------------------- 3-13. Chapter 4 Introduction To EMC. Introduction of EMC ---------------------------------------- ---------------------- 4-1.

7 Regulations and Explanations of EMI ---------------------------------------- 4-1. Definition of Harmonic Current and Related Regulations ------------- 4-3. Explanation of EMS ---------------------------------------- ------------------------ 4-6. Introduction To EMC Regulation ---------------------------------------- ------- 4-6. EMC Standards For ITE Products ---------------------------------------- ------ 4-7. EMC Tests: Procedure And System Allocation ---------------------------- 4-9. Chapter 5 Introduction To CE. Introduction To CE Marking ---------------------------------------- -------------- 5-1. Related Directives Of CE Marking ---------------------------------------- ----- 5-1.

8 CE Compliance ---------------------------------------- ------------------------------ 5-2. How Mean Well Test CE Related Regulations ----------------------------- 5-2. Chapter 6 Reliability Curve Of Lifetime And Failure Rate ---------------------------------------- --- 6-1. Ambient Temperature And Components' Lifetime 6-2. Ambient Temperature And Frequency of Return for Repair ----------- 6-3. ------------------------ Load Capacity And Ambient Temperature 6-4. Reliability And Operating Environment -------------------------------------- 6-6. ----------------------------------- MTBF ( Mean Time Between Failure ) ---------------------------------------- 6-7.

9 Reliability test procedure for MW product ---------------------------------- 6-8. Switching Power Supply Technical Manual Chapter 7 Notes On Operation Input Fuse ---------------------------------------- ------------------------------------- 7-1. Safety ---------------------------------------- ---------------------------------------- --- 7-1. Grounding ---------------------------------------- ------------------------------------- 7-1. Input And Output Wiring ---------------------------------------- ------------------ 7-2. Heat Dissipation ---------------------------------------- ----------------------------- 7-3. Output Derating ---------------------------------------- ------------------------------ 7-3.

10 Remote ON/OFF Switch And Remote Sensing Wiring ------------------ 7-5. Operation In Parallel ---------------------------------------- ----------------------- 7-5. Operation In Series ---------------------------------------- ------------------------- 7-7. Output Wiring For Smaller Loads ---------------------------------------- ---- 7-8. Minimum Load Requirement ---------------------------------------- ----------- 7-9. Operation In Low Temperature ---------------------------------------- -------- 7-9. Working In High Temperature Or In a Environment With Huge Temperature Difference ---------------------------------------- ----------------- 7-10.