PQ05RR1 Datasheet, PDF (2/5 Pages) Sharp Electrionic Components – 1A Output, Low Power-Loss Voltage Regulators(Built-in Reset Signal Generating Function)

Low Power-Loss Voltage Regulators
PQ05RR1/PQ05RR11/PQ05RR1B
s Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=7V, Io=0.5A, Ta=25˚C)
Parameter
Output voltage
PQ05RR1
PQ05RR11
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
Symbol
Conditions
VO
-
RegL
RegI
TCVO
RR
Vi-o
Vrl
Vrt
Irlk
Iq
IO=5mA to 1.0A
VIN=6 to 12V
Tj=0 to 125˚C
Refer to Fig. 2
*3
IO=5mA, Ir=5mA
IO=5mA
IO=5mA, Vr=35V
IO=0
MIN.
4.75
4.88
-
-
-
45
-
-
VO-0.25
-
-
TYP.
5.0
5.0
0.1
0.5
±0.02
55
-
-
-
-
-
MAX.
5.25
5.12
2.0
2.5
-
-
0.5
0.8
VO-0.1
30
10
Unit
V
%
%
%/˚C
dB
V
V
V
µA
mA
*3 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
Fig.1 Test Circuit
VIN
1q
0.33µF
2q
4q
IO
3q
VA
Vrl
A Iq
Irlk
Vr
47µF VO
A IO
+
V
RL
Fig.3 Power Dissipation vs. Ambient
Temperature
20
PD1 :No heat sink
PD2 :With infinite heat sink
PD2
15
10
Note)
5
PD1
0
-20 0
50
100
150
Ambient temperature Ta (˚C)
Oblique line portion:Overheat protection may
operate in this area.
Fig.2 Test Circuit of Ripple Rejection
1q
~ ei
0.33µF
VIN
+
2q
IO
4q
3q
+
RL V~ eo
47µF
f=120Hz (sine wave)
ei=0.5Vrms
RR=20 log (ei/eo)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
80
60
40
20
0
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1
Output current IO (A)