PQ05RB11 查看數據表（PDF） - Sharp Electronics
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PQ05RB11 Datasheet PDF : 4 Pages
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Low Power-Loss Voltage Regulators
PQ05RB11 Series
s Electrical Characteristics
(Unless otherwise specified, condition shall be IO=0.5A, VIN=*4, Ta=25˚C)
Parameter
PQ05RB11
Output Voltage
PQ09RB11
PQ12RB11
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Overheat shut-down temperature
Symbol
Conditions
VO
-
RegL
RegI
TCVO
RR
Vi-O
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iq
TSD
IO=5mA to 1A
*5
Tj=0 to 125˚C, IO=5mA
Refer to Fig.2
*6, IO=0.5A
-
VC=2.7V
-
VC =0.4V
IO=0A
-
MIN.
4.88
8.78
11.7
-
-
-
45
-
2.0 *7
-
-
-
-
110
TYP.
5.0
9.0
12.0
0.1
0.5
±0.02
55
-
-
-
-
-
-
130
MAX.
5.12
9.22
12.3
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
150
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
˚C
*4 PQ05RB11:VIN=7V, PQ09RB11:VIN=15V, PQ12RB11:VIN=18V
*5 PQ05RB11:VIN=6 to 12V, PQ09RB11:VIN=10 to 25V, PQ12RB11:VIN=13 to 29V
*6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*7 In case of opening control terminal 4, output voltage turns on.
Fig.1 Test Circuit
VIN
1q
0.33µF
2q
47µF VO
4q VC
3q
+
A
A Iq
IC
A IO
V
RL
Fig.2 Test Circuit of Ripple Rejection
1q
~ ei
0.33µF
VIN
+
2q
IO
4q 47µF
3q
+
RL V~ eo
Fig.3 Power Dissipation vs. Ambient
Temperature
PD2
10
5
PD1 :No heat sink
PD2 :With infinite heat sink
0
PD1
-20 0
50
100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection operates in
this area.
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
0.5
1.0
1.5
2.0
Output current IO (A)
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