PQ7DV10 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'PQ7DV10' PDF : 5 Pages View PDF
Low Power-Loss Voltage Regulators
PQ7DV10
s Electrical Characteristics (Unless otherwise specified, conditions shall be VIN=5V, Io=5A, Vo=3V(R1=2kΩ) Ta=25˚C)
Parameter
Symbol
Conditions
NIN. TYP. MAX. Unit
Input voltage
Reference voltage
Reference voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
❇3 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
VIN
VO
Vref
RegL
RegI
TCVO
RR
Vi-o
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iq
−
−
−
IO=5mA to 10A
VIN=4 to 10V
Tj=0 to 125˚C
Refer to Fig. 2
VIN=3V, Io=10A
−
VC=2.7V
−
VC=0.4V
IO=0A
3
1.5
1.225
−
−
−
45
−
2
−
−
−
−
−
−
1.25
0.5
0.5
±0.01
55
−
−
−
−
−
−
10
7
1.275
2
2.5
−
−
0.5
−
20
0.8
–40
17
V
V
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
❇3 In case of opening control terminal ➃,output voltage turns on.
Fig. 1 Test Circuit
Fig. 2 Test Circuit for Ripple Rejection
VIN
0.33µF
1
VC 4
A
2
R2
3
5
Vref
A Iq 2kΩ R1 V
47µF VO
A IO
+
V
RL
Vo=Vref✕(1+R2/R1)
[R1=2kΩ,Vref Nearly=1.25V]
Fig. 3 Power Dissipation vs. Ambient
Temperature
60
PD2
50
40
30
PD1 : No heat sink
PD2 : With infinite heat sink
20
Note)
10
PD1
0
–20 0 20 40 60 80
Ambient temperature Ta (˚C)
Oblique line portion : Overheat protection may operate in this area.
0.33µF
1
2
ei
4
3
5
VIN
VC
2.7V
R2
Vref
R1
2kΩ
47µF +
IO
+
V eo
RL
f=120Hz(sine wave)
ei(rms)=0.5V
VIN=5V
VO=3V(R1=2kΩ)
IO=0.5A
RR=20 log(ei(rms)/eo(rms))
Fig. 4 Overcurrent Protection
Characteristics(Typical Value)
100
80
60
40
20
0
0
5
10
15
20
Output current IO (A)
Share Link: 
