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PQ09RF13

1A Output Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop

Sharp Electronics 

Low Power-Loss Voltage Regulators

Fig.17 Ripple Rejection vs. Output Current

80

70

PQ05RF12/PQ05RF/13

PQ09RF12/PQ09RF/13

60

PQ12RF12/PQ12RF/13

50

f=120Hz,ei=0.5Vrms,

40 VIN=8V(PQ05RF12/13)

VIN=12V(PQ09RF12/13)

30 VIN=14V(PQ12RF12/13)

0

0.5

1.0

Output current IO (A)

Fig.19 Output Peak Current vs. Junction

Temperature

2.0

VIN-VO=5V

1.5

2V

1.0

0.5V

IOP:Output current when output

voltage is 95% in comparison

with the initial value

0.5

-20 0 25 50 75 100 125

Junction temperature Tj (˚C)

PQ05RF12/PQ05RF13 Series

Fig.18 Output Peak Current vs. Dropout

Voltage

2.0

1.5

Tj=25˚C

1.0

0

5

10

15

Dropout voltage Vi-O (V)

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