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PQ20VZ51 Datasheet(PDF) 4 Page - Sharp Electrionic Components

No. de Pieza. PQ20VZ51
Descripción  Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators
Descarga  7 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ20VZ51 Datasheet(HTML) 4 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ20VZ51/PQ20VZ11
Junction temperature Tj (˚C)
–20
0
20
40
60
80 100 120
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
IO=1.0A
IO=0.75A
IO=0.5A
IO=0.25A
Junction temperature Tj (˚C)
–20
0
20
40
60
80 100 120
0
0.05
0.10
0.15
0.20
0.25
0.30
IO=0.5A
IO=0.4A
IO=0.3A
IO=0.2A
IO=0.1A
Junction temperature Tj (˚C)
0
25
50
75
100
125
–20
0
1
2
3
4
5
VIN=12V
IO=0A
VC=2.7V
Fig.9
Dropout Voltage vs. Junction
Temperature (PQ20VZ51)
Fig.11 Quiescent Current vs. Junction
Temperature
Fig.13 Ripple Rejection vs. Output Current
(PQ20VZ51)
Fig.12 Ripple Rejection vs. Input Ripple
Frequency
Fig.14 Ripple Rejection vs. Output Current
(PQ20VZ11)
Fig.10 Dropout Voltage vs. Junction
Temperature (PQ20VZ11)
Tj=25˚C
RR=20 log(ei(rms)/eo(rms))
IO=0.3A
ei(rms)=0.5V (sine wave)
VIN=12V
R1=1k
R2=7k
Input ripple frequency f (kHz)
0.1
1
10
100
30
35
40
45
50
55
60
65
PQ20VZ11
PQ20VZ51
Tj=25˚C
ei(rms)=0.5V
f=120Hz (sine wave)
VIN=12V
R1=1k
R2=7k
Output current IO (A)
0
0.1
0.2
0.3
0.4
0.5
10
20
30
40
50
60
70
80
90
100
Tj=25˚C
ei(rms)=0.5V
f=120Hz(sine wave)
VIN=12V
R1=1k
R2=7k
Output current IO (A)
0
1.0
0.5
10
20
30
40
50
60
70
80
90
100


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