SPGP0380A datasheet(7/8 Pages) SEMIHOW

Part #	SPGP0380A

Description	The SemiHow Power Switch product family is specially designed for an off-line SMPS with minimal external components.

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Manufacturer	SEMIHOW [SemiHow Co.,Ltd.]

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Typical Performance Characteristics ( Control Part ) (continued)

(These characteristic graphs are normalized at Ta=25

C)

0.90

0.95

1.00

1.05

1.10

1.15

1.20

Fosc

0.90

0.95

1.00

1.05

1.10

1.15

1.20

Ifb

Figure 1. Operating Frequency

Figure 2. Feedback Source Current

-25

0

25

50

75

100

125

150

0.80

0.85

-25

0

25

50

75

100

125

150

0.80

0.85

1.15

1.20

1.8

2.0

-25

0

25

50

75

100

125

150

0.80

0.85

0.90

0.95

1.00

1.05

1.10

Iop

Figure 3 Operating Supply Current

Figure 4 Start up Current

-25

0

25

50

75

100

125

150

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Istart

0.95

1.00

1.05

1.10

1.15

1.20

Vstart

0.95

1.00

1.05

1.10

1.15

1.20

Vstop

Figure 3. Operating Supply Current

Figure 4. Start up Current

-25

0

25

50

75

100

125

150

0.80

0.85

0.90

-25

0

25

50

75

100

125

150

0.80

0.85

0.90

1.20

Figure 5. Start Threshold Voltage

Figure 6. Stop Threshold Voltage

-25

0

25

50

75

100

125

150

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

Vovp

◎ SEMIHOW REV.PLIMILARY” January 2011

Figure 7. Over Voltage Protection

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SPGP0380A Datasheet(PDF) 7 Page - SemiHow Co.,Ltd.

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