PQ7DV5 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

PQ7DV5

Variable Output Type, High Output Current(5A)Type Low Power-loss Voltage Regulators

Sharp Electronics 

1 2 3 4 5

Low Power-Loss Voltage Regulators

Fig. 5 Reference Voltage Deviation vs.

Junction Temperature

10

VIN=5V

8 VO=3V(R1=2kΩ,R2=2.8kΩ)

6 IO=2.5A

4

2

0

–2

–4

–6

–8

–10

–25 0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig. 7 Circuit Operating Current vs. Input

Voltage

Tj =25˚C

VO=3V

(R1=2kΩ,

100 R2=2.8kΩ)

RL=0.6Ω

RL=1.2Ω

RL=∞

0

0

1

2

3

4

5

Input voltage VIN (V)

Fig. 9 Quiescent Current vs. Junction

Temperature

20

18

VIN =5V

VO=3V(R1=2kΩ,R2=2.8kΩ)

16 IO =0A

14

12

10

8

6

4

2

0

–25 0 25 50 75 100 125

Junction temperature Tj (˚C)

PQ7DV5

Fig. 6 Output Voltage vs. Input Voltage

4

Tj =25˚C

VO=3V(R1=2kΩ,R2=2.8kΩ)

3

RL=1.2Ω

RL=∞

RL=0.6Ω

2

1

0

0

1

2

3

4

5

Input voltage VIN (V)

Fig. 8 Dropout Voltage vs. Junction

Temperature

0.5

VIN :0.95VO

VO=3V(R1=2kΩ,R2=2.8kΩ)

0.4

IO=5A

0.3

0.2

0.1

0

–25 0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.10 Ripple Rejection vs. Input Ripple

Frequency

100

80

60

40

VIN=5V

20 VO=3V(R1=2kΩ,R2=2.8kΩ)

Io=0.5A, ei(rms)=0.5V,

0 Tj =25˚C

0.1

1

10

100

Input ripple frequency f (kHz)

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