243

Low Power-Loss Voltage Regulators

PQ05RF2/PQ05RF21/PQ05RF2V Series

Fig. 1 Test Circuit

Fig. 5 Output Voltage Minute Adjustment

Characteristics (PQ05RF2V)

Fig. 6 Output Voltage Minute Adjustment

Characteristics (PQ09RF2V)

Fig. 2 Test Circuit of Ripple Rejection

4.5

5.0

5.5

6.0

Ω

Ω

3.9k

Ω

Ω)

8.1

9.0

9.9

Ω

Ω

Ω

Ω)

Fig. 3 Power Dissipation vs. Ambient

Temperature

Fig. 4 Overcurrent Protection Characteristics

(Typical value)

0

–20

0

50

100

150

5

10

15

20

0

1.0

2.0

3.0

4.0

100

80

40

60

20

0

Note)

Oblique line portion : Overheat protection may operate in this area.

3.3

µF

PQ05RF2/PQ05RF21series

PQ05RF2Vseries

V

0.33

µF

47

µF

+

+

V

0.33

µF

47

µF

+

+

+

f=120Hz(sine wave)

f=120Hz(sine wave)

1

2

3

4

1

2

3

4

A

V

A

A

0.33

µF

47

µF

+

A

V

A

0.33

µF

3.3

µF

PQ05RF2/PQ05RF21series

PQ05RF2Vseries

47

µF

+

+

1

2

3

4

1

2

3

4