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PQ05RD21 Datasheet(PDF) 2 Page - Sharp Electrionic Components

No. de Pieza. PQ05RD21
Descripción  2.0A Output Type Low Power-Loss Voltage Regulator
Descarga  7 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ05RD21 Datasheet(HTML) 2 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ05RD21 Series/PQ3RD23
s Electrical Characteristics
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Output voltage
4.85
5.0
5.15
V
Load regulation
Io=5mA to 2.0A, ❇4
––
0.1
2.0
%
Line regulation
❇5, IO=5mA
––
0.1
2.5
%
Temperature coefficient of output voltage
Tj=0 to 125˚C, Io=5mA
––
±0.02
––
%/˚C
Ripple rejection
Refer to Fig.2
❇4
❇4
❇4
45
55
––
dB
Dropout voltage
❇6, Io=2A
––
––
0.5
V
❇7 ON-state voltage for control
2.0
V
OFF-state voltage for control
––
––
0.8
V
Quiescent current
IO=0A, ❇4
––
––
10
mA
––
ON-state current for control
OFF-state current for control
VC=2.7V, ❇4
VC=0.4V, ❇4
––
––
––
––
mA
–0.4
µA
20
❇4 PQ3RD23:VIN=5V, PQ05RD21:VIN =7V, PQ09RD21:VIN =11V, PQ12RD21: VIN =14V
❇5 PQ3RD23:VIN=4 to 10V, PQ05RD21:VIN = 6 to 12V, PQ09RD21:VIN =10 to 16V, PQ12RD21: VIN =13 to 19V
❇6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. PQ3RD23:VIN=3.7V
❇7 In case of opening control teminal
, output voltage turns on.
8.73
9.0
9.27
11.64
12.0
12.36
PQ05RD21
PQ09RD21
PQ12RD21
––
(Unless otherwise specified, Io=1.0A, ❇4, Ta=25˚C)
PQ3RD23
3.201
3.3
3.399
––
0.5
2.5
PQ3RD23
PQ05RD21 series
VO
RegL
RegI
TCVO
RR
Vi-O
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iq
4
A
V
A
A
VIN
Iq
IC
IO
VO
VC
RL
0.33
µF
47
µF
+
1
2
3
4
ei
VIN
IO
eo
RL
0.33
µF
47
µF
+
+
f=120Hz (sine wave)
ei(rms)=0.5V
VIN=5V (PQ3RD23)
7V (PQ05RD21)
11V (PQ09RD21)
14V (PQ12RD21)
IO=0.5A
RR=20 log (ei(rms)/eo(rms))
1
2
3
4
V
Fig. 4 Overcurrent Protection
Characteristics (Typical Value)
(PQ3RD23)
Fig. 3 Power Dissipation vs. Ambient
Temperature
;;;
;;;
;;;
;;;
20
0
5
10
15
–20
0
20406080
PD2
PD1
Ambient temperature Ta (˚C)
PD1 :No heat sink
PD2 :With infinite heat sink
Output current IO (A)
0
1.0
3.0
4.0
2.0
1
2
3
4
7
8
9
5
6
10
11
12
Vi-O=3V
Vi-O=1V
Vi-O=0.5V
Vi-O=2V
Note) Oblique line portion : Overheat protection may operate in this area.


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