PQ20VZ5U 데이터 시트보기 (PDF) - Sharp Electronics

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PQ20VZ5U

Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators

Sharp Electronics 

Low Power-Loss Voltage Regulators

Fig.15 Output Peak Current vs. Dropout

Voltage (PQ20VZ51)

1.7 Tj=25˚C

1.6

1.5

1.4

1.3

1.2

IOP:Output current when

1.1

output voltage is 95%

in comparison with

1

the initial value

0 1 2 3 4 5 6 7 8 9 10

Dropout voltage Vi–O (V)

Fig.17 Output Peak Current vs. Junction

Temperature (PQ20VZ51)

1.5

VIN–VO=2V

1.4

1.3

1V

1.2

1.1

0.5V

1.0 IOP:Output current when

output voltage is 95%

0.9 in comparison with

the initial value

–20 0 25 50 75 100 125

Junction temperature Tj (˚C)

Fig.19 Power Dissipation vs. Ambient

Temperature

3

Cu area 740mm2

2

Cu area 180mm2

Cu area 100mm2

1 Cu area 70mm2

Cu area 36mm2

0

–20 0 20 40 60 80 100

Ambient temperature Ta (˚C)

PQ20VZ51/PQ20VZ11

Fig.16 Output Peak Current vs. Dropout

Voltage (PQ20VZ11)

2.5

2.4 Tj=25˚C

2.3

2.2

2.1

2.0

1.9

1.8

IOP:Output current when

output voltage is 95%

1.7

in comparison with

1.6

the initial value

0 1 2 3 4 5 6 7 8 9 10

Dropout voltage Vi–O (V)

Fig.18 Output Peak Current vs. Junction

Temperature (PQ20VZ11)

VIN–VO=2V

2.0

1V

0.5V

1.5 IOP:Output current when

output voltage is 95%

in comparison with

the initial value

–20 0 25 50 75 100 125

Junction temperature Tj (˚C)

PWB

PWB

Cu

Material : Glass-cloth epoxy resin

Size

: 50×50×1.6mm

Cu thickness : 35µm

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