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PQ7DV5 Datasheet(PDF) 2 Page - Sharp Corporation

Part # PQ7DV5
Description  Variable Output Type, High Output Current (5A) Type Low Power-loss Voltage Regulators
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

PQ7DV5 Datasheet(HTML) 2 Page - Sharp Corporation

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Low Power-Loss Voltage Regulators
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 4, 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
-
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
q
3
q
2
q
1
q
4
q
5
A
A
V
V
A
VIN
VC
Iq 2k
Ω
IO
VO
RL
47
µF
0.33
µF
+
R2
R1
Vref
Fig.2
Test Circuit for Ripple Rejection
~
V
~
VC
2.7V
q
3
q
2
q
1
q
4
q
5
VIN
ei
eo
2k
Ω
IO
RL
0.33
µF
47
µF
+
R2
R1
+
Vref
Vo=Vref X (1+R2/R1)
=1.25 X (1+R2/R1)
[R1=2k
Ω,Vref =1.25V]
f=120Hz (sine wave)
ei=0.5Vrms
VIN=5V
VO=3V (R1=2k
Ω)
IO=0.5A
RR=20 log (ei/eo)
0
2.0
4.0
6.0
8.0
10
12
100
80
40
60
20
0
Output current IO (A)
PQ7DV5
Note) Oblique line portion:Overheat protection
may operate in this area.


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