PQ018EH01ZZH 查看數據表（PDF） - Sharp Electronics

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PQ018EH01ZZH

Low Voltage Operation Low Power-Loss Voltage Regulators

Sharp Electronics 

PQxxxEH01ZxH Series

Fig.2 Test Circuit for Ripple Rejection

ei ~

VIN

1

+

5

0.33μF

Fig.3 Power Dissipation vs. Ambient

Temperature

40

PD:With infinite heat sink　

35

30

25

20

15

10

5

0

-40 -20 0 25 50 75 85 100 125 150

A mbient temperature T a (°C)

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

3

VC

2

2.7V

+

47μF

+

IO

eo

V

~

RL

f=120Hz(sine wave)

ei(rms)=0.5V

VIN=VO(TYP)+2V

IO=0.3A

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

Fig.4 Overcurrent Protection Characteristics

(Typical Value) (PQ015EH01ZxH)

1.5

V IN=2.35V

V IN=2.5V

1.2

V IN=3V

0.9

V IN=3.3V

0.6

V IN=5V

0.3

0

0

0.5

1

1.5

2

Output current IO (A )

Fig.5 Overcurrent Protection Characteristics

(Typical Value) (PQ018EH01ZxH)

1.8

V IN=2.35V

1.6

V IN=2.5V

1.4

V IN=3V

V IN=3.3V

1.2

1

0.8

V IN=5V

0.6

0.4

0.2

0

0

0.5

1

1.5

2

Output current IO (A )

Fig.6 Overcurrent Protection Characteristics

(Typical Value) (PQ025EH01ZxH)

2.5

V IN=3V

V IN=3.3V

2

V IN=3.6V

1.5

V IN=4.5V

1

V IN=5V

0.5

0

0

0.5

1

1.5

2

Output current IO (A )

Sheet No.: OP06029

3

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