PQ30VB11 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

PQ30VB11

Variable Output Low Power-Loss Voltage Regulator (Built-in Overheat Shut-Down Function)

Sharp Electronics 

1 2 3 4

Low Power-Loss Voltage Regulators

Fig.5 Output Voltage Adjustment

Characteristics

30

25

20

R1=390Ω

15

10

5

0

0.01

0.1

1

10

R2 (kΩ)

Fig.7 Dropout Voltage vs. Junction

Temperature

0.5

0.45

0.4

0.35

IO=1A

0.3

0.25

0.75A

0.2

0.15

0.5A

0.1

0.05

0

-25

0.25A

0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.9 Output Peak Current vs. Junction

Temperature

2.2

2

VIN-VO=5V

1.8

2V

1V

1.6

0.5V

1.4

IOP:Output current when output voltage

1.2 is 95% in comparison with the initial value

-25 0 25 50 75 100 125

Junction temperature Tj (˚C)

PQ30VB11

Fig.6 Output Voltage vs. Input Voltage

Tj=25˚C

10 VO=10V

9

R1=390Ω

8

R2=2710Ω

RL=∞Ω

RL=20Ω

7

6

RL=10Ω

5

4

3

2

1

0

1 2 3 4 5 6 7 8 9 10 11 12

Input voltage VIN (V)

Fig.8 Circuit Operating Current vs. Input

Voltage

40

Tj=25˚C

35 VO=10V

R1=390Ω

30 R2=2710Ω

25

20

RL=10Ω

15

RL=20Ω

10

RL=∞Ω

5

0

1 2 3 4 5 6 7 8 9 10 1112 1314 15

Input voltage VIN (V)

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