Copyright

© ANPEC Electronics Corp.

Rev. A.5 - Mar., 2009

APW7142

www.anpec.com.tw

9

Operating Waveforms (Cont.)

Line Transient

(Refer to the application circuit 1 in the section “Typical Application Circuits”, V

Over Voltage Protection

V

IN

V

OUT

I

L1

1

2

4

3

V

LX

I

CH1 : V

CH2 : V

CH4 : I

Time : 20

µs/div

CH3 : V

V

IN

V

OUT

I

L1

CH1 : V

CH2 : V

Time : 100

µs/div

1

2

3

CH3 : I

V

V

Switching Waveform

Switching Waveform

CH1 : V

CH2 : I

Time : 1

µs/div

I

L1

V

LX

I

1

2

CH1 : V

CH2 : I

Time : 1

µs/div

V

LX

I

L1

I

1

2