Voltage Regulators. PQ20VZ11 Datasheet

PQ20VZ11 Regulators. Datasheet pdf. Equivalent


Part PQ20VZ11
Description Variable Output / Surface Mount Type Low Power-Loss Voltage Regulators
Feature Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11 PQ20VZ51/PQ20VZ11 Variable Output, Surface Mou.
Manufacture Sharp
Datasheet
Download PQ20VZ11 Datasheet

Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11 PQ20VZ PQ20VZ11 Datasheet
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PQ20VZ11
Low Power-Loss Voltage Regulators
PQ20VZ51/PQ20VZ11
PQ20VZ51/PQ20VZ11
Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators
s Features
¡Low power-loss (Dropout voltage : 0.5V)
¡Compact surface mount package
¡Both the 0.5A output PQ20VZ51 and the 1A output
PQ20VZ11 have high-precision outputs (Reference voltage
precision : ±2.0%)
¡Variable output type (Output voltage variable range : 1.5V to
20V)
¡Built-in ON-OFF control function
¡Low dissipation current at OFF-state (Iqs : MAX.5µA)
¡Tape packaged type is available.
(φ330mm reel : 3 000pcs.,PQ20VZ5U/PQ20VZ1U)
s Outline Dimensions
6.6MAX
5.2±0.5
3
20VZ51
0.5 +0.2
-0.1
4-(1.27)
s Applications
¡Car audio equipment
¡VCR
1 23 4 5
(Unit : mm)
2.3±0.5
(0.5)
(0to0.25)
(0.5)
Internal connection diagram
13
2
Specific IC
4
5
s Absolute Maximum Ratings
Parameter
*1 Input voltage
*1 Output contorol voltage
*1 Output adjustment terminal Voltage
Output current
PQ20VZ51
PQ20VZ11
Power dissipation (With infinite heat sink)
*2 Junction temperature
Operating temperature
Storage temperature
*3 Soldering temperature
*1 All are open except GND and applicable terminals.
*2 Overheat protection may operate at 125˚C=<Tj=<150˚C
*3 For 10s
(Ta=25˚C)
Symbol Rating
VIN 24
VC 24
VADJ
7
IO 0.5
1
PD 8
Tj 150
Topr -20 to +80
Tstg -40 to +150
Tsol 260 (For 10s)
Unit
V
V
V
A
W
˚C
˚C
˚C
˚C
1 DC input (VIN)
2 ON/OFF control
terminal (VC)
3 DC output (VO)
4 Output voltage minute
adjustment terminal (VADJ)
5 GND
Heat sink is common to 3 (VO).
· Please refer to the chapter“ Handling Precautions ”.
“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”



PQ20VZ11
Low Power-Loss Voltage Regulators
PQ20VZ51/PQ20VZ11
s Electrical Characteristics
Unless otherwise specified, VIN=12V, Vo=10V,*4, R1=1k, Vc=2.7V(Ta=25˚C)
Parameter
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
Symbol
Vi
VO
RegL
RegI
RR
Vref
TCVref
Vi-O
Iq
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iqs
Conditions
VO=1.5V
R2=225to 14.6k
*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
MIN.
4.5
1.5
-
-
45
1.225
-
-
-
2.0
-
-
-
-
TYP.
-
-
0.2
0.2
60
1.25
±1.0
0.2
4
-
-
-
-
-
MAX.
-
20
2.0
2.5
-
1.275
-
0.5
7
-
200
0.8
2.0
5.0
Unit
V
V
%
%
dB
V
%
V
mA
V
µA
V
µA
µA
*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 2, output voltage turns off.
Fig.1 Test Circuit
VIN 0.33µF 1q
VC 2q
A
3q
R2
5q 4q
A Iq 1kR1 V
47µF VO
A IO
+
V
RL
VO=Vref X 1+-RR21 = 1.25 X 1+-RR21
[R1=1k,Vref = 1.25V]
Fig.2 Test Circuit of Ripple Rejection
0.33µF
1q
~ ei
VIN
2q
VC
3q
5q 4q
47µF +
R2
47µF +
R1
1k
IO
V~ eo
RL
f=120Hz (sine wave)
ei=0.5Vrms
IO=0.3A
RR=20 log (ei/eo)





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