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PQ7DV5 Datasheet(PDF) 2 Page - Sharp Electrionic Components

No. de Pieza. PQ7DV5
Descripción  Variable Output Type, High Output Current(5A)Type Low Power-loss Voltage Regulators
Descarga  5 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ7DV5 Datasheet(HTML) 2 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ7DV5
0
–20
0
PD1
PD2
PD1 :No heat sink
PD2 :With infinite heat sink
40
20
60
80
20
10
30
40
50
60
Ambient temperature Ta (˚C)
Fig. 3 Power Dissipation vs. Ambient
Temperature
Fig. 4 Overcurrent Protection
Characteristics(Typical Value)
Parameter
Symbol
Conditions
Input voltage
Output voltage
Reference voltage
Load regulation
Line regulation
Temperature coefficient of reference voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Unit
MAX.
TYP.
NIN.
3
1.5
1.225
45
2.0
1.25
0.5
0.5
±0.01
55
10
7
1.275
2.0
2.5
0.5
20
0.8
–0.4
17
s Electrical Characteristics
❇3 In case of opening control terminal ➃, output voltage turns on.
(Unless otherwise specified, conditions shall be VIN=5V, IO=2.5A, VO=3V[R1=2k
Ω]Ta=25˚C)
VIN
VO
Vref
RegL
RegI
TCVO
RR
Vi-o
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iq
IO=5mA to 5.0A
VIN=4 to 10V
Tj=0 to 125˚C
Refer to Fig. 2
VIN=3V, IO=5A
VC=2.7V
VC=0.4V
Io=0A
V
V
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
❇3
Fig. 1 Test Circuit
Fig. 2 Test Circuit for Ripple Rejection
0
2.0
4.0
6.0
8.0
10
12
100
80
40
60
20
0
Output current IO (A)
Note)
Oblique line portion : Overheat protection may operate in this area.
f=120Hz(sine wave)
ei(rms)=0.5V
VIN=5V
VO=3V(R1=2k
Ω)
IO=0.5A
RR=20 log(ei(rms)/eo(rms))
A
A
V
V
A
VIN
VC
Iq 2k
IO
VO
RL
47
µF
0.33
µF
+
R2
R1
Vref
1
5
2
4
3
V
VC
2.7V
VIN
ei
2k
IO
RL
0.33
µF
47
µF
+
R2
R1
+
Vref
1
5
2
4
3
Vo=Vref✕(1+R2/R1)
[R1=2k
Ω,Vref Nearly=1.25V]


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