Low Power-Loss Voltage Regulators
s
Electrical Characteristics
Parameter
PQ05RR12
Output voltage
PQ05RR13
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
Low reset output voltage
Reset threshold voltage
Reset output leak current
Quiescent current
*4
*5
PQ05RR12/PQ05RR13
(Unless otherwise specified, condition shall be V
IN
=7V,Io=0.5A, T
a
=25˚C)
Symbol
V
O
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-o
V
rl
V
rt
I
rlk
I
q
Conditions
-
I
O
=5mA to 1.0A
V
IN
=6 to 12V
T
J
=0 to 125˚C
Refer to Fig. 2
*4
I
O
=5mA, I
r
=5mA
I
O
=5mA,
*5
I
O
=5mA, V
r
=24V
I
O
=0
MIN.
4.75
4.88
-
-
-
45
-
-
3.55
-
-
TYP.
5.0
5.0
0.1
0.5
±0.02
55
-
-
3.75
-
-
MAX.
5.25
5.12
2.0
2.5
-
-
0.5
0.8
3.95
30
10
Unit
V
%
%
%/˚C
dB
V
V
V
µA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Output voltage shall be the value when input voltage lowers and V
r
becomes low.
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
V
IN
1
q
2
q
4
q
3
q
I
r
47µF
V
O
1
q
2
q
4
q
3
q
+
+
I
O
R
L
V
e
o
~
A
+
I
O
~
e
i
0.33µF
V A
V
rl
I
q
I
rlk
V
r
V
R
L
V
IN
0.33µF
47µF
A
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
Fig.3 Power Dissipation vs. Ambient
Temperature
20
P
D1
:No heat sink
P
D2
:With infinite heat sink
Fig.4 Overcurrent Protection
Characteristics (Typical value)
100
Relative output voltage (%)
Power dissipation P
D
(W)
15
P
D2
80
60
10
40
20
0
0
0.3
0.6 0.9 1.2 1.5 1.8
Output current
I
O
(A)
2.1
5
P
D1
0
50
100
150
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may operate in
this area.
0
-20
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
