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PQ15RW08 Datasheet(PDF) 2 Page - Sharp Electrionic Components

No. de Pieza. PQ15RW08
Descripción  Variable Output, General Purpose Type Low Power-Loss Voltage Regulator
Descarga  4 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ15RW08 Datasheet(HTML) 2 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ15RW08/PQ15RW11/PQ15RW21
s Electrical Characteristics
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
(Unless otherwise specified, conditions shall be VIN=5V, Vo=3.3V(R1=2k
Ω, R2=500Ω), Io=0.5A)(Ta=25˚C)
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Temperature coefficient of reference voltage
Dropout voltage
Reference voltage
Quiescent current
VIN
Vo
RegL
RegI
RR
TcVref
Vi-o
Vref
Iq
❇4
Tj=0 to 125˚C
VIN=5 to 15V, Io=5mA
Io=0A
VIN=3.5V, ❇5
––
––
Refer to Fig. 2
––
3.5
3.0
45
2.574
––
––
––
––
––
––
––
––
––
––
––
0.3
0.5
55
2.64
±0.01
20
15
2.0
2.5
2.706
0.5
8
V
V
%
%
dB
%/˚C
V
V
mA
❇4 PQ15RW08: Io=5mA to 0.8A, PQ15RW11: Io=5mA to 1A, PQ15RW21: Io=5mA to 2A
❇5 PQ15RW08/PQ15RW11: Io=0.5A, PQ15RW21: Io=2A
V
47
µF
VIN
ei
eo
2k
IO
RL
0.33
µF
+
R2
R1
+
f
=120Hz(sine wave)
ei(rms)
=0.5V
IO=0.5A
RR=20 log(ei(rms)/eo(rms))
VIN=5V
VO=3.3V(R1=2k
Ω)
1
4
3
2
V
A
VIN
Iq 2k
IO
VO
RL
47
µF
0.33
µF
+
R2
R1
VO=Vref x 1+ –––––
R2
R1
[R1=2k
Ω,Vref Nearly=2.64V]
1
4
3
A
V
Vref
2
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ15RW08)
Fig. 4 Power Dissipation vs. Ambient
Temperature(PQ15RW11/21)
;;;
;;;
;;;
;;;
20
0
5
10
15
–20
0
20406080
PD2
PD1
Ambient temperature Ta (˚C)
PD1 :No heat sink
PD2 :With infinite heat sink
0
–20
0
PD1
PD2
PD1 :No heat sink
PD2 :With infinite heat sink
50
80 100
150
5
10
15
20
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
Note) Oblique line portion : Overheat protection may operate in this area.


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