Sharp PQ20VZ11, PQ20VZ51 Datasheet
Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11
PQ20VZ51/PQ20VZ11
Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators
■ 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)
■ Applications
¡Car audio equipment
¡VCR
■ Outline Dimensions
6.6MAX
5.2±0.5
20VZ51
9.7MAX
5.5±0.5
2.5MIN
13245
Internal connection diagram
1
Specific IC
2
5
0.5
4-(1.27)
3
4
3
+0.2
-0.1
(Unit : mm)
2.3±0.5
(0.5)
(0to0.25)
(0.9) (1.7)
(0.5)
IN
1 DC input (V
2 ON/OFF control
terminal (V
3 DC output (V
4 Output voltage minute
adjustment terminal (V
5 GND
Heat sink is common to 3 (VO).
)
C
)
O
)
ADJ
)
■ Absolute Maximum Ratings
*1
Input voltage
*1
Output contorol voltage
*1
Output adjustment terminal Voltage
Output current
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=<T
*3
For 10s
“ 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. ”
Parameter Symbol Rating Unit
V
IN
V
C
V
ADJ
PQ20VZ51
PQ20VZ11
j
=<150˚C
I
O
P
D
T
j
T
opr
T
stg
T
sol
-
-
260 (For 10s)
24
24
7
0.5
1
8
150
20 to +80
40 to +150
(Ta=25˚C)
V
V
V
A
W
˚C
˚C
˚C
˚C
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11
■ Electrical Characteristics
Unless otherwise specified, VIN=12V, Vo=10V,*4, R1=1kΩ, Vc=2.7V(Ta=25˚C)
Parameter Symbol Conditions
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
*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.
V
V
RegL
R
RR
V
TCV
Vi-
I
VC(ON)
C(ON
I
C(OFF
V
C(OFF
I
I
Fig.1 Test Circuit
O
=1.5V
V
i
2
=225Ω to 14.6kΩ
R
O
*5
VIN=11 to 21V, IO=5mA
eg
I
Refer to Fig. 2
*4
ref
Tj=0 to 125˚C, Io=5mA
ref
*4,*6
O
IO=0
q
)
O
=0
I
)
)
C
=0.4V
V
qs
Fig.2 Test Circuit of Ripple Rejection
4.5
1.5
-
-
45
1.225
-
-
-
-
-
2.0
-
-
-
-
-
-
-
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
V
V
%
%
dB
V
%
V
mA
V
µA
V
µA
µA
UnitMAX.TYP.MIN.
VIN
0.33µF
VC
V
[R
●2
●5
A
A
O=V
ref
X 1+- 1.25 X 1+
1=1kΩ,V
ref
1.25V]
=
●3●1
●4
Iq1kΩ
R2
R1
VO
47µF
R2
R1
V
R2
-
=
R1
IO
A
+
V
RL
0.33µF
e
i
~
V
IN
●2 ●4
VC
●3●1
●5
1kΩ
f=120Hz (sine wave)
i
=0.5V
rms
e
IO=0.3A
RR=20 log (e
i/eo
R2
47µF
R1
)
47µF
+
+
IO
e
o
V
~
RL
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