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