KA3S0680 データシートの表示（PDF） - Fairchild Semiconductor

部品番号

コンポーネント説明

メーカー

KA3S0680

Fairchild Power Switch(FPS)

Fairchild Semiconductor 

Typical Performance Characteristics (control part)

(These characteristic graphs are normalized at Ta = 25°C)

KA3S0680RB/KA3S0680RFB

Fig.1 Operating Frequency

1.2

1.15

1.1

1.05

Fosc 1

0.95

0.9

0.85

0.8

-25 0 25 50 75 100 125 150

Temperature [°C]

Figure 1. Operating Frequency

1.2

1.15

1.1

1.05

Iop 1

0.95

0.9

0.85

0.8

-25

Fig.3 Operating Current

0 25 50 75 100 125 150

Temperature [°C]

Figure 3. Operating Supply Current

1.5

1.3

1.1

Is tart

0.9

0.7

0.5

-25

Fig.5 Start up Current

0 25 50 75 100 125 150

Temperature [°C]

Figure 5. Start up Current

Fig.2 Feedback Source Current

1.2

1.15

1.1

1.05

Ifb 1

0.95

0.9

0.85

0.8

-25 0 25 50 75 100 125 150

Temperature [°C]

Figure 2. Feedback Source Current

1.1

1.05

Ipoveeark 1

0.95

0.9

0.85

0.8

-25

Fig.4 Max Inductor Current

0 25 50 75 100 125 150

Temperature [°C]

Figure 4. Peak Current Limit

Fig.6 Start Threshold Voltage

1.15

1.1

1.05

Vstart 1

0.95

0.9

0.85

-25 0

25 50 75 100 125 150

Temperature [°C]

Figure 6. Start Threshold Voltage

5

Share Link: