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)
9.7MAX
5.5±0.5
s
Outline Dimensions
6.6MAX
5.2±0.5
3
2.3±0.5
(Unit : mm)
(0.5)
20VZ51
(1.7)
(0to0.25)
0.5
+0.2
-0.1
2.5MIN
(0.9)
4-(1.27)
(0.5)
s
Applications
¡Car
audio equipment
¡VCR
12345
Internal connection diagram
1
2
Specific IC
5
1
DC input (V
IN
)
2
ON/OFF control
terminal (V
C
)
3
DC output (V
O
)
4
Output voltage minute
adjustment terminal (V
ADJ
)
5
GND
Heat sink is common to
3
(V
O
).
3
4
s
Absolute Maximum Ratings
*1
*1
*1
(T
a
=25˚C)
Symbol
V
IN
V
C
V
ADJ
I
O
P
D
T
j
T
opr
T
stg
T
sol
Rating
Unit
24
V
24
V
7
V
0.5
A
1
W
8
˚C
150
-20 to +80
˚C
-40 to +150
˚C
260 (For 10s) ˚C
*2
*3
*1
*2
*3
Parameter
Input voltage
Output contorol voltage
Output adjustment terminal Voltage
PQ20VZ51
Output current
PQ20VZ11
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
All are open except GND and applicable terminals.
Overheat protection may operate at 125˚C=<T
j
=<150˚C
For 10s
· 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. ”
SHARP [ SHARP ELECTRIONIC COMPONENTS ]
