Sharp PQ3TZ50 Datasheet
Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
3.0V/3.3V Output Surface Mount Type Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
■ 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.)
■ Applications
¡Personal computers
¡Personal information tools (PDA)
¡Various OA equipment
■ Outline Dimensions
6.6MAX
5.2±0.5
3TZ50
9.7MAX
5.5±0.5
2.5MIN
13245
Internal connection diagram
1
Specific IC
5
0.5
4-(1.27)
3
2
3
+0.2
-0.1
(Unit : mm)
2.3±0.5
(0.5)
(0to0.25)
(0.9) (1.7)
(0.5)
1 DC input (V
2 ON/OFF control terminal (V
3 DC output (V
4 NC
5 GND
Heat sink is common to 3 (VO).
IN
)
C
)
C
)
■ Absolute Maximum Ratings
*1
Input voltage
*1
ON/OFF control terminal voltage
Output current
*2
Power dissipation
*3
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
All are open except GND and applicable terminals.
*2
P
D
:With infinte heat sink.
*3
Overheat protection may operate at 125=<T
Parameter Symbol Rating Unit
V
IN
V
C
I
O
P
D
T
j
T
opr
-20 to +80
T
stg
-40 to +150
T
sol
260 (For 10s)
j
=<150˚C
“ 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. ”
10
10
0.5
150
8
(Ta=25˚C)
V
V
A
W
˚C
˚C
˚C
˚C
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators
PQ3TZ50/PQ3TZ53
■ Electrical Characteristics
Parameter Symbol Conditions
Input voltage
Output voltage
PQ3TZ50
PQ3TZ53
PQ3TZ50
PQ3TZ53
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
V
ON-state current for control
OFF-state voltage for control
OFF-state current for control
V
I
Quiescent current
Output OFF-state consumption current
*4
PQ3TZ50:V
PQ3TZ53:V
*5
In case of opening control terminal 2, output voltage turns off.
IN
IN
=3.4V
=3.7V
Fig.1 Test Circuit
V
IN
0.33µF
●3●1
V
C
●2
●5
A
A
I
q
I
C
47µF
+
V
O
I
O
A
V
R
L
V
V
RegL
eg
R
CVO
T
RR
i-O
V
C (ON)
I
C (ON)
C (OFF)
C (OFF)
I
I
IN
O
I
q
qs
-
V
IN
=5V, IO=0.3A
V
IN
=5V, IO=5mA to 0.5A
IN
=4V to 10V, IO=5mA
V
IN
=5V, IO=5mA, Tj=0 to125˚C
V
Refer to Fig. 2
*4
, IO=0.3A
IN
=5V, IO=0.3A,
V
*5
VIN=5V, IO=0.3A
IN
=5V
V
IN
=5V, IO=0.4V
V
IN
=5V, IO=0A
V
IN
=5V, VC=0.4V, IO=0.3A,
V
Fig.2 Test Circuit for Ripple Rejection
~
(VC=2.7V, Ta=25˚C)
UnitMAX.TYP.MIN.
3.4
3.7
2.925
3.218
-
-
-
45
-
2.0
-
-
-
-
-
e
i
0.33µF
V
IN
●5
-
10.0
-
60
-
-
-
-
-
-
-
47µF
10.0
3.075
3.382
2.0
2.5
-
-
0.5
-
200
0.8
2
10
5
+
I
O
+
V
R
L
~
3.0
3.3
0.2
0.1
±0.01
●3●1
V
C
●2
2.7V
V
V
%
%
%/˚C
dB
V
V
µA
V
µA
mA
µA
e
o
Fig.3 Power Dissipation vs. Ambient
Temperature
10
(W)
D
5
Power dissipation P
0
-20 0
Note) Oblique line portion:Overheat protection may
operate in this area.
PD:With infinite heat sink
P
D
8050 100 150
Ambient temperature Ta (˚C)
f=120Hz (sine wave)
i
=0.5V
rms
e
VIN=5V
O
=0.3A
I
RR=20 log (e
i/eo
)
Fig.4 Overcurrent Protection
Characteristics(Typical Value)
100
T
a
=25˚C
V
i-o
80
60
40
20
Relative output voltage (%)
0
0 0.5 1.0 1.5 2.0
=0.5V
i-o
=1V
V
Output current IO (A)
i-o
=5V
V
i-o
=2V
V
Loading...