PQ1PF1 データシートの表示（PDF） - Sharp Electronics

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PQ1PF1

Primary Regulator for Switching Power Supply (50W Class)

Sharp Electronics 

Primary Regulators

Fig.14 CA Threshold Voltage vs. Junction

Temperature

2.10

VCC=18V,VFB=2.2V

2.05

VDS=10V,RL=56Ω

2.00

1.95

1.90

1.85

1.80

1.75

1.70

-25

0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.16 FB Threshold Voltage vs. Junction

Temperature

3.00

VCC=18V,VCA=6V

VDS=10V,RL=56Ω

2.95

2.90

2.85

2.80

2.75

2.70

-25 0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.18 FB Current vs. Junction

Temperature

-700

VCC=18V,VCA=OPEN

-650

VFB=GND,VDS=OPEN

-600

-550

-500

-450

-400

-25 0 25 50 75 100 125

Junction temperature Tj (˚C)

PQ1PF1

Fig.15 CA Threshold Voltage vs. Junction

Temperature

8.6

VCC=18V,VFB=2.2V

8.4 VDS=10V,RL=56Ω

8.2

8.0

7.8

7.6

7.4

7.2

-25

0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.17 CA Sink Current vs. Junction

Temperature

50

VCC=18V,VCA=6V

VDS=10V,RL=56Ω,VFB=1V

45

40

35

30

-25 0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.19 Charging Current vs. Junction

-10.5 Temperature

VCC=18V,VCA=GND

-10.3 VFB=OPEN,VDS=10V,RL=56Ω

-10.1

-9.9

-9.7

-9.5

-9.3

-9.1

-8.9

-8.7

-8.5

-25 0 25 50 75 100 125

Junction temperature Tj (˚C)

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