电源测试项目介绍

发布时间:2019-01-17

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

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