3.0V/3.3V Output Surface Mount Type Low Power-Loss Voltage Regulators
s
Features
¡Low
power-loss (Dropout voltage : MAX. 0.5V)
¡Surface
mount type package (equivalent to EIAJ SC-63)
¡Output
current : MAX.0.5A
¡Low
dissipation current at OFF-state (Iqs : MAX.5µA)
¡Built-in
ON/OFF cotrol function
¡Output
voltage precision : ±2.5%
¡Output
voltage : (3.0V :
PQ3TZ50)
(3.3V :
PQ3TZ53)
¡Tape
packaged type is also available. (Reel : 3 000pcs.)
s
Outline Dimensions
2.3±0.5
(0.5)
(Unit : mm)
6.6MAX
5.2±0.5
3
9.7MAX
3TZ50
5.5±0.5
(1.7)
0.5
+0.2
-0.1
(0.5)
12345
3
Specific IC
5
2
(0to0.25)
2.5MIN
s
Applications
¡Personal
computers
¡Personal
information tools (PDA)
¡Various
OA equipment
Internal connection diagram
1
1
DC input (V
IN
)
2
ON/OFF control terminal (V
C
)
3
DC output (V
C
)
4
NC
5
GND
Heat sink is common to
3
(V
O
).
s
Absolute Maximum Ratings
*1
*1
(T
a
=25˚C)
Symbol
V
IN
V
C
I
O
P
D
T
j
T
opr
T
stg
T
sol
Rating
10
10
0.5
8
150
-20 to +80
-40 to +150
260 (For 10s)
Unit
V
V
A
W
˚C
˚C
˚C
˚C
*2
*3
Parameter
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
*2
*3
All are open except GND and applicable terminals.
P
D
:With infinte heat sink.
Overheat protection may operate at 125=<T
j
=<150˚C
· 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. ”
(0.9)
4-(1.27)
Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
s
Electrical Characteristics
Parameter
Input voltage
Output voltage
PQ3TZ50
PQ3TZ53
PQ3TZ50
PQ3TZ53
Symbol
V
IN
V
O
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-
O
V
C (ON)
I
C (ON)
V
C (OFF)
I
C (OFF)
I
q
I
qs
Conditions
-
V
IN
=5V, I
O
=0.3A
V
IN
=5V, I
O
=5mA to 0.5A
V
IN
=4V to 10V, I
O
=5mA
V
IN
=5V, I
O
=5mA, T
j
=0 to125˚C
Refer to Fig. 2
*4
, I
O
=0.3A
V
IN
=5V, I
O
=0.3A,
*5
V
IN
=5V, I
O
=0.3A
V
IN
=5V
V
IN
=5V, I
O
=0.4V
V
IN
=5V, I
O
=0A
V
IN
=5V, V
C
=0.4V, I
O
=0.3A,
MIN.
3.4
3.7
2.925
3.218
-
-
-
45
-
2.0
-
-
-
-
-
TYP.
-
-
3.0
3.3
0.2
0.1
±0.01
60
-
-
-
-
-
-
-
(V
C
=2.7V, T
a
=25˚C)
MAX.
10.0
10.0
3.075
3.382
2.0
2.5
-
-
0.5
-
200
0.8
2
10
5
Unit
V
V
%
%
%/˚C
dB
V
V
µA
V
µA
mA
µA
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Output OFF-state consumption current
*4
PQ3TZ50:V
IN
=3.4V
PQ3TZ53:V
IN
=3.7V
*5
In case of opening control terminal
2,
output voltage turns off.
Fig.1
Test Circuit
Fig.2
Test Circuit for Ripple Rejection
V
IN
1
q
3
q
2
q
5
q
V
C
47µF
V
O
1
q
A
+
I
O
~
e
i
5
q
V
IN
0.33µF
3
q
V
C
2
q
47µF
+
I
O
+
A
I
q
I
C
V
R
L
0.33µF
R
L
V
e
o
~
A
2.7V
f=120Hz (sine wave)
e
i
=0.5V
rms
V
IN
=5V
I
O
=0.3A
RR=20 log (e
i
/e
o
)
Fig.3
10
Power Dissipation vs. Ambient
Temperature
P
D
:With infinite heat sink
P
D
Fig.4
100
Relative output voltage (%)
Overcurrent Protection
Characteristics(Typical Value)
T
a
=25˚C
V
i
-
o
=0.5V
V
i
-
o
=1V
V
i
-
o
=5V
Power dissipation P
D
(W)
80
60
40
5
V
i
-
o
=2V
20
0
50
80 100
150
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may
京公网安备 11010802033920号
EEWORLD
