Low Power-Loss Voltage Regulators

PQxxxEZ5MZ Series/PQxxxEZ01Z Series

Fig.2

Test Circuit for Ripple Rejection

Fig.1

Test Circuit

Fig.3

Power Dissipation vs. Ambient

Temperature

Fig.4

Overcurrent Protection

Characteristics (PQ015EZ5MZ)

+

0.33

µF

47

µF

A

A

3

2

5

1

V

A

ei

eo

+

+

f

=120Hz (sine wave)

ei(rms)

=0.5V

RR

=20log (ei(rms)/eo(rms))

2.7V

3

1

2

5

0.33

µF

47

µF

V

~

~

0

5

10

8

−40

−20

0

20406080

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

0

0.3

0.6

0.9

1.2

1.5

0

0.2

0.4

0.6

0.8

1

1.2

0.1

0.3

0.5

0.7

0.9

1.1