Content
1. Introduction .................................................................7
2. List Of 3 SMPS IC Chips with Known Failures.. ..............7
3. What Technicians Should Get Used To.... ......................9
4. SMPS and Linear.................................. .................10
5. LCD TV SMPS: Referred to as DC-to-DC Convertors... 15
6. Active-PFC for LCD TV SMPS:............................... 17
7. Power Good Signaling............................... ................21
8. What Is Power Good.......................... ......................22
9. What Is Faking Power-Good Signaling?....... .................23
10. Active Power Factor Correction IC........... ..................28
11. SMD sensory network circuits for APFC IC................ 32
12. Why LCD TV Engineers Are Forced To Implement Active
PFC In SMPS Design................................... 33
13. Testing IC Chips...................................... ...............34
14. In Or Out Of Circuit IC Testing ........ ........................35
15. The APFC IC Pin Names and Their Basic Function. .....41
16. Error Amplifier..................................... .................42
17. PWM IC............................................ ..................43
18. Current Mode-Control IC......................................50
1. Introduction .................................................................7
2. List Of 3 SMPS IC Chips with Known Failures.. ..............7
3. What Technicians Should Get Used To.... ......................9
4. SMPS and Linear.................................. .................10
5. LCD TV SMPS: Referred to as DC-to-DC Convertors... 15
6. Active-PFC for LCD TV SMPS:............................... 17
7. Power Good Signaling............................... ................21
8. What Is Power Good.......................... ......................22
9. What Is Faking Power-Good Signaling?....... .................23
10. Active Power Factor Correction IC........... ..................28
11. SMD sensory network circuits for APFC IC................ 32
12. Why LCD TV Engineers Are Forced To Implement Active
PFC In SMPS Design................................... 33
13. Testing IC Chips...................................... ...............34
14. In Or Out Of Circuit IC Testing ........ ........................35
15. The APFC IC Pin Names and Their Basic Function. .....41
16. Error Amplifier..................................... .................42
17. PWM IC............................................ ..................43
18. Current Mode-Control IC......................................50
