Copyright

© ANPEC Electronics Corp.

Rev. A.2 - Jan., 2008

APW7136A/B/C

www.anpec.com.tw

5

Typical Operating Characteristics

Switching Frequency vs. Supply Voltage

Maximum Duty Cycle vs. Supply Voltage

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

Supply Voltage, V

2.5

3

3.5

4

4.5

5

5.5

6

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

Supply Voltage, V

40

50

60

70

80

90

100

2.5

3

3.5

4

4.5

5

5.5

6

Operating Waveforms

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

fied )

Start-up

CH1: V

CH2: V

CH3: V

CH4: I

Time: 1ms/Div

2

1

3

4

V

OUT

I

V

IN

V

EN

8WLEDs, L=22µH, V

CH1: V

CH2: V

CH3: V

CH4: I

Time: 1ms/Div

Start-up

2

1

3

4

V

OUT

I

V

IN

V

EN

6WLEDs, L=22µH, V