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PQ20RX05 Datasheet(PDF) 2 Page - Sharp Electrionic Components

No. de Pieza. PQ20RX05
Descripción  Variable Output Type Low Power-Loss Voltage Regulator with ON/OFF Control Function
Descarga  6 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ20RX05 Datasheet(HTML) 2 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ20RX05/PQ20RX11
s Electrical Characteristics
Fig. 4 Power Dissipation vs. Ambient
Temperature (PQ20RX11)
Fig. 1 Test Circuit
Fig. 2 Test Circuit of Ripple Rejection
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Output OFF-state consumption current
V
V
%
%
dB
V
%
V
mA
V
µA
V
µA
µA
❇4 PQ20RX05: IO=0.3A, PQ20RX11: IO=0.5A
❇5 PQ20RX05: IO=5mA to 0.5A, PQ20RX11: IO=5mA to 1.0A
❇6 Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
❇7 In case of opening ON/OFF control terminal
, output voltage turns off.
VIN
VO
RegL
RegI
RR
Vref
TCVref
Vi-O
Iq
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iqs
3.5
3.0
––
––
45
2.574
––
––
––
2.0
––
––
––
––
––
––
––
––
––
2.64
±1.0
––
––
––
––
––
––
––
24
20
2.0
2.5
––
2.706
––
0.5
8
––
200
0.8
2.0
5.0
––
––
❇5
VIN=4 to 10V, Io=5mA
Refer to Fig. 2
––
Tj=0 to 125˚C, Io=5mA
❇4,❇6
Io=0A
––
––
Io=0A
Io=0A, Vc=0.4V
Vc=0.4V
(Unless otherwise specified, VIN=5V, VO=3.3V, ❇4, R1=2k
Ω, R2=500Ω, VC=2.7V, Ta=25˚C)
❇7
2
V
A
VIN
VC
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
5
3
A
A
V
2
V
47
µF
VIN
ei
eo
2k
IO
RL
2.7V
0.33
µF
+
R2
R1
+
47
µF
f
=120Hz(sine wave)
ei(rms)=0.5V
IO=0.3A
RR=20 log(ei(rms)/eo(rms))
VIN=5V
VO=3.3V(R1=2k
Ω)
1
4
5
3
2
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ20RX05)
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)
0
–25
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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