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P005RF21 View Datasheet(PDF) - Sharp Electronics

Part Name
Description
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P005RF21 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Low Power-Loss Voltage Regulators
Fig. 1 Test Circuit
PQ05RF2/PQ05RF21series
VIN
1
0.33µF
2
47µF VO
4 VC
A IO
3
+
A
V
A Iq
IC
RL
PQ05RF2/PQ05RF21/PQ05RF2V Series
PQ05RF2Vseries
VIN
1
0.33µF
2 3.3µF
VO
+
4
A IO
3
+
V
47µF
A Iq
RL
Fig. 2 Test Circuit of Ripple Rejection
PQ05RF2/PQ05RF21series
PQ05RF2Vseries
1
ei
VIN 0.33µF
+
2
1
4
ei
+
3
RL V eo
47µF
f=120Hz(sine wave)
ei(rms)=0.5V
VIN 0.33µF
RR=20 log(ei(rms)/eo(rms))
2 3.3µF
+
4
3
+
47µF
+
RL V eo
f=120Hz(sine wave)
ei(rms)=0.5V
RR=20 log(ei(rms)/eo(rms))
Fig. 3 Power Dissipation vs. Ambient
Temperature
20
PD2
PD1 :No heat sink
PD2 :With infinite heat sink
15
Fig. 4 Overcurrent Protection Characteristics
(Typical value)
100
80
60
10
40
5
PD1
Note)
0
20 0
50
100
150
Ambient temperature Ta (˚C)
Oblique line portion : Overheat protection may operate in this area.
Fig. 5 Output Voltage Minute Adjustment
Characteristics (PQ05RF2V)
6.0
R1=390
R1=1k
5.5
R1=
5.0
3.9k
20
0
0
1.0
2.0
3.0
4.0
Output current IO (A)
Fig. 6 Output Voltage Minute Adjustment
Characteristics (PQ09RF2V)
R1=390R1=1k
9.9
R1=3.9k
9.0
4.5
102
103
104
R2 ()
8.1
103
104
R2 ()
105
243
 

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