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PQ7VZ5 Datasheet(PDF) 2 Page - Sharp Corporation

No. de pieza PQ7VZ5
Descripción Electrónicos  Variable Output, Compact Surface Mount Type Low Power-Loss Voltage Regulators
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Fabricante Electrónico  SHARP [Sharp Corporation]
Página de inicio  http://sharp-world.com/
Logo SHARP - Sharp Corporation

PQ7VZ5 Datasheet(HTML) 2 Page - Sharp Corporation

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Low Power-Loss Voltage Regulators
PQ7VZ5
Fig.4
Overcurrent Protection
Characteristics(Typical Value)
Parameter
Symbol
Condition
Input voltage
Output voltage variable range
Load regulation
Line regulation
Ripple rejection
Dropout voltage
Reference voltage
Temperature coefficient of reference voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Output OFF-state consumption current
Unit
MAX.
TYP.
NIN.
3.4
1.5
-
-
45
-
1.225
-
2.0
-
-
-
-
-
-
-
0.2
0.2
60
-
1.25
±1.0
-
-
-
-
4
-
10.0
7.0
2.0
2.5
-
0.5
1.275
-
-
200
0.8
2
7
5
s Electrical Characteristics
*4 In case of opening control terminal 2 , output voltage turns off.
(Unless otherwise specified, conditions shall be VIN=5V, VO=3V(R1=1k
Ω), Io=0.3A, VC=2.7V, Ta=25˚C)
VIN
VO
RegL
RegI
RR
Vi-o
Vref
TCVref
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Iqs
-
-
IO=5mA to 0.5A
VIN=4 to 10V, IO=5mA
Refer to Fig. 2
VIN=3.4, IO=0.3A
-
IO=5mA, Tj=0 to 125˚C
*4
-
IC=0A
VC=0.4V, IC=0A
IC=0A
VC=0.4V
V
V
%
%
dB
V
V
%
V
µA
V
µA
mA
µA
Fig.1
Test Circuit
Fig.3
Power Dissipation vs. Ambient
Temperature
0
-20
0
PD
PD:With infinite heat sink
80
50
100
150
5
10
Ambient temperature Ta (˚C)
0
0.5
1.0
1.5
2.0
4
3
2
1
0
Output current IO (A)
Vi-O =5V
Vi-O =2V
Vi-O =0.5V
Ta =25˚C
VO=3V(R1=1k
Ω,R2=1.4kΩ)
Vi-O =1V
Note) Oblique line portion:Overheat protection may
operate in this area.
Fig.2
Test Circuit for Ripple Rejection
~
V
~
q
5
q
3
q
1
q
2
q
4
A
A
V
V
A
VIN
VC
Iq 1k
IO
VO
VC
RL
47
µF
0.33
µF
47
µF
+
R2
R1
q
5
q
3
q
1
q
2
q
4
VIN
ei
eo
1k
IO
RL
0.33
µF
47
µF
+
R2
R1
+
VO=Vref X 1+-
1.25 X 1+-
R2
R1
R2
R1
[R1=390
Ω,Vref 1.25V]
f=120Hz (sine wave)
ei=0.5Vrms
IO=0.3A
RR=20 log (ei/eo)
VIN=5V
VO=3V (R1=1k
Ω)
=
=


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