FAN7548 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN7548

Dual LCD Back Light Inverter Drive IC

Fairchild Semiconductor 

FAN7548

Typical Characteristics

On Stage Input Supply Voltage

1.8

1.6

1.4

1.2

1.0

0.8

-60 -40 -20

0 20 40 60 80 100 120 140

Temparature['C]

Figure 1. On Stage Input Supply Voltage

Soft Start Clamping High Voltage

7.14

6.72

6.30

5.88

-60 -40 -20

0 20 40 60

Temparature['C]

80 100 120 140

Figure 3. Soft Start Clamping High Voltage

Startup Thresh hold Voltage

5.6

5.4

5.2

5.0

4.8

-60 -40 -20

0 20 40 60 80 100 120 140

Temparature['C]

Figure 5. Startup Thresh Hold Voltage

Soft Start Charging Current

11.2

10.5

9.8

9.1

-60 -40 -20

0 20 40 60 80 100 120 140

Temparature['C]

Figure 2. Soft Start Changing Current

Start Up Current

200

160

120

80

40

0

-60 -40 -20

0 20 40 60 80 100 120 140

Temparature['C]

Figure 4. Start Up Current

Operating Supply Current

13.0

11.7

10.4

9.1

7.8

-60 -40 -20

0 20 40 60 80 100 120 140

Temparature['C]

Figure 6. Operating Supply Current

6

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