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PQ20VZ51 Datasheet(PDF) 2 Page - Sharp Electrionic Components

No. de Pieza. PQ20VZ51
Descripción  Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators
Descarga  7 Pages
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Fabricante  SHARP [Sharp Electrionic Components]
Página de inicio  http://sharp-world.com/
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PQ20VZ51 Datasheet(HTML) 2 Page - Sharp Electrionic Components

   
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Low Power-Loss Voltage Regulators
PQ20VZ51/PQ20VZ11
Fig.1
Test Circuit
Fig.2
Test Circuit of Ripple Rejection
Parameter
Symbol
Conditions
Vi
VO
RegL
RegI
RR
Vref
TCVref
Vi-O
Iq
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iqs
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
Unit
MAX.
TYP.
MIN.
4.5
1.5
45
1.225
2.0
VO=1.5V
R2=225
Ω to 14.6kΩ
❇5
VIN=11 to 21V, IO=5mA
Refer to Fig. 2
❇4
Tj=0 to 125˚C, Io=5mA
❇4,❇6
IO=0
IO=0
VC=0.4V
0.2
0.2
60
1.25
±1.0
0.2
4
20
2.0
2.5
1.275
0.5
7
200
0.8
2.0
5.0
s Electrical Characteristics
❇4 PQ20VZ51:Io=0.3A, PQ20VZ11:Io=0.5A
❇5 PQ20VZ51:Io=5mA to 0.5A, PQ20VZ11: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 control terminal ➁, output voltage turns off.
Unless otherwise specified, VIN=12V, Vo=10V,❇4, R1=1k
Ω, Vc=2.7V(Ta=25˚C)
V
V
%
%
dB
V
%
V
mA
V
µA
V
µA
µA
V
A
A
V
V
A
VIN
VC
Iq
IC
1k
IO
VO
VC
RL
47
µF
0.33
µF
47
µF
+
R2
R1
VIN
ei
eo
1k
IO
RL
0.33
µF
47
µF
+
R2
R1
+
VO=Vref
× 1+ –––––
R2
R1
[R1=1k
Ω,Vref Nearly=1.25V]
f=120Hz(sine wave)
ei(rms)=0.5V
IO=0.3A
RR=20 log(ei(rms)/eo(rms))
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2
3
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5
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