PQ05RF21 SHARP [Sharp Electrionic Components], PQ05RF21 Datasheet - Page 3

• Manufacturer Part Number: PQ05RF21
• Description: 2A Output, Low Power-Loss Voltage Regulators
• Manufacturer: SHARP [Sharp Electrionic Components]

Low Power-Loss Voltage Regulators
Note) Oblique line portion:Overheat protection may operate in
Fig.3 Power Dissipation vs. Ambient
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
Fig.5 Output Voltage Minute Adjustment
V
~
IN
this area.
6.0
5.5
5.0
4.5
V
20
15
10
e
IN
i
5
0
-20
10
0.33 F
PQ05RF2/PQ05RF21series
0.33 F
2
Temperature
Characteristics (PQ05RF2V)
PQ05RF2/PQ05RF21series
1
Ambient temperature T
1
0
P
P
D2
D1
3
A
3
I
q
4
2
50
4
2
V
A
R
C
R
47 F
2
10
I
1
C
P
P
( )
=390
3
D1 :
D2 :
47 F
+
No heat sink
With infinite heat sink
+
A
100
R
L
+
R
V
a
I
R
O
L
O
(˚C)
V
1
3.9k
V
~
=1k
R
e
1
o
=
f=120Hz (sine wave)
e
RR=20 log (e
150
i
=0.5V
10
4
rms
i
/e
o
)
V
PQ05RF2/PQ05RF21/PQ05RF2V Series
~
Fig.4 Overcurrent Protection
Fig.6 Output Voltage Minute Adjustment
IN
V
e
IN
i
100
9.9
9.0
8.1
80
60
40
20
0.33 F
0
0.33 F
10
0
3
1
1
Characteristics (Typical value)
Characteristics (PQ09RF2V)
PQ05RF2Vseries
PQ05RF2Vseries
R
1
3
A
=390
3
1.0
Output current I
I
q
4
2
4
2
47 F
3.3 F
3.3 F
47 F
R
+
+
10
2
2.0
R
+
( )
1
4
=1k
+
A
R
+
R
L
O
V
I
L
O
(A)
O
V
3.0
R
V
~
1
=3.9k
e
o
f=120Hz (sine wave)
e
RR=20 log (e
i
=0.5V
10
4.0
5
rms
i
/e
o
)