电源测试项目如下:
01 Start-up current
02 OTP
03 Brown-out input voltage
04 Power dissipation of strat-up resistors
05 Controller IC Vcc
06 Main switch voltage stress
07 Main switch current stress
08 Main transform flux stress
09 Secondary rectifier reverse voltage
10 Secondary rectifier current stress
11 static regulation
12 output ripple-noise
13 dynamic response
14 OCP
15 OVP
17 rise time and monotonic wave form
18 timing
20 Capacitors voltage stress
21 cap ripple current
33 Start voltage
34 Surge input voltage
36 Controller IC Vcc
37 Working frequency
38 Main switch voltage stress-2
39 Main switch current stress-2
42 Soft Start
43 OPP setting
44 OTP
45 Current sense resistor power loss
48 Bulk Capacitor Ripple Current-2
50 MOSFET gate drive waveforms
54 Start-up input voltage-2
56 Working frequency
57 Main Switch Voltage Stress
58 Main Switch Current Stress-0320
61 Soft start-0320
63 current sense resistor power loss-0320
65 Rectifier Reverse Voltage
66 Rectifier Current Stress
68 Output RippleNoise
69 Static regulation
70 Dynamic response
71 No load operation
73 Filter capacitor stress-life
74 Timing - Monotonic rising waveform
75 Oring FET control timing
76 Short before Oring FET
77 Hot warm swapping
78 OVP standing alone