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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. "
Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
s
Outline Dimensions
PQ2TZ55/PQ2TZ15
(Unit : mm)
Parameter
Symbol
Rating
Unit
V
IN
V
C
I
O
P
D
T
j
T
opr
T
stg
T
sol
10
10
0.5
1
8
150
-20 to + 80
-40 to +150
260(For 10s)
V
V
A
W
C
C
C
C
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
*1
*2
*3
*1
All are open except GND and applicable terminals.
*2
P
D
:With infinite heat sink.
*3
Overheat protection may operate at 125=<T
j
=<150C
s
Absolute Maximum Ratings
PQ2TZ55
PQ2TZ15
(T
a
=25C)
2.5V 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 voltage : 2.5V
Minimum input voltage : 3.0V
Output current : (0.5A :
PQ2TZ55
)
(1.0A :
PQ2TZ15
)
Output voltage precision : 2.5%
Built-in ON/OFF control function
Low dissipation current at OFF-state (Iqs : MAX.5A)
Tape packaged type is also available.
(
330mm reel : 3 000pcs.,
PQ2TZ55U/PQ2TZ15U
)
s
Applications
Personal computers
Personal information tools(PDA)
Various OA equipment
Please refer to the chapter" Handling Precautions ".
2TZ55
3
5
1
2
6.6MAX
9.7MAX
2.5MIN
5.20.5
2.30.5
5.50.5
(0.5)
(0.5)
(0.9)
(1.7)
3
0.5
+0.2
-0.1
4-(1.27)
1
3
2
4 5
(0to0.25)
1 DC input (V
IN
)
2 ON/OFF control
terminal (V
C
)
3 DC output (V
O
)
4 NC
5 GND
Heat sink is common to 3 (V
O
).
Specific IC
Internal connection diagram
Low Power-Loss Voltage Regulators
Parameter
Symbol
Conditions
Input voltage
Output voltage
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
Unit
MAX.
TYP.
MIN.
3.0
2.438
-
-
-
45
-
2.0
-
-
-
-
-
-
2.5
0.2
0.1
0.01
60
-
-
-
-
-
-
-
10
2.562
2.0
2.5
-
-
0.5
-
200
0.8
2
10
5
s
Electrical Characteristics
*4
In case of opening control terminal 2, output voltage turns off.
(Unless otherwise specified, conditions shall be I
O
=0.3A [
PQ2TZ55
]/I
O
=0.5A [
PQ2TZ15
]V
IN
=3.3V, V
C
=2.7V, T
a
=25C)
PQ2TZ55
PQ2TZ15
PQ2TZ55
PQ2TZ15
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
-
-
I
O
=5mA to 0.5A
I
O
=5mA to 1.0A
V
IN
=3.0 to 10V, I
O
=5mA
I
O
=5mA, T
j
=0 to 125C
-
V
IN
=3V, I
O
=0.5A
V
IN
=3V, I
O
=1.0A
*4
-
-
V
C
=0.4V
I
O
=0A
I
O
=0A, V
C
=0.4V
V
V
%
%
%/C
dB
V
V
A
V
A
mA
A
PQ2TZ55/PQ2TZ15
Fig.1
Test Circuit
Fig.2
Test Circuit for Ripple Rejection
q
5
q
3
q
1
q
2
A
V
A
A
V
IN
I
q
I
C
I
O
V
O
V
C
R
L
0.33
F
47
F
+
q
5
q
3
q
1
q
2
V
e
i
V
IN
2.7V
I
O
e
o
R
L
0.33
F
47
F
+
+
~
~
V
C
f=120Hz (sine wave)
e
i
=0.5V
rms
V
IN
=3.3V
I
O
=0.5A (
PQ2TZ15
)
I
O
=0.3A (
PQ2TZ55
)
RR=20 log (e
i
/e
o
)
Fig.3
Power Dissipation vs. Ambient
Temperature
,,,
,,,
,,,
P
D
:With infinite heat sink
Power dissipation P
D
(W)
Ambient temperature T
a
(C)
0
-20
0
P
D
40
20
60
80
5
10
Note) Oblique line portion:Overheat protection may
operate in this area.
Low Power-Loss Voltage Regulators
0
0
1
2
3
4
5
1
2
3
R
L
=
R
L
=2.5
R
L
=5
Output voltage V
O
(V)
Input voltage V
IN
(V)
T
j
=25C
-1.0
-10
0
25
50
75
100
125
-0.6
-0.2
0.2
0.6
-0.8
-0.4
0.0
0.4
0.8
V
IN
=3.3V
I
O
=0.5A
1.0
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
0
0.5
1.0
1.5
2.5
2.0
3
1
2
0
Output voltage V
O
(V)
Output current I
O
(A)
V
IN
=4.5V
V
IN
=7.5V
V
IN
=3.0V
T
j
=25C
V
IN
=3.5V
0
0
1
2
3
4
5
1
2
3
R
L
=
R
L
=5
R
L
=10
Output voltage V
O
(V)
Input voltage V
IN
(V)
T
j
=25C
-1.0
-25
0
25
50
75
100
125
-0.6
-0.2
0.2
0.6
-0.8
-0.4
0.0
0.4
0.8
V
IN
=3.3V
I
O
=0.3A
1.0
Output voltage deviation
V
O
(mV)
Junction temperature T
j
(C)
0
0.5
1.0
1.5
2.0
Output voltage V
O
(V)
Output current I
O
(A)
3
1
2
0
V
IN
=4.5V
V
IN
=7.5V
V
IN
=3.0V
T
j
=25C
V
IN
=3.5V
PQ2TZ55/PQ2TZ15
Fig.4
Overcurrent Protection
Characteristics
Fig.5
Overcurrent Protection
Characteristics
Fig.9
Output Voltage vs. Input Voltage
Fig.6
Output Voltage Deviation vs.
Junction Temperature
Fig.7
Output Voltage Deviation vs.
Junction Temperature
(PQ2TZ15)
(PQ2TZ55)
(PQ2TZ55)
Fig.8
Output Voltage vs. Input Voltage
(PQ2TZ55)
(PQ2TZ15)
(PQ2TZ15)
Low Power-Loss Voltage Regulators
0
-25
0
25
50
75
100
125
1.0
2.0
3.0
4.0
V
IN
=3.3V
I
O
=0A
5.0
Quiescent current I
q
(mA)
Junction temperature T
j
(C)
0
0
5
2
4
1
3
10
20
R
L
=
R
L
=5
R
L
=10
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
T
j
=25C
0
-25
0
25
50
75
100
125
1.0
2.0
3.0
4.0
V
IN
=3.3V
I
O
=0A
5.0
Quiescent current I
q
(mA)
Junction temperature T
j
(C)
Sleeve-packaged products
Standard type
-
-
s
Model Line-ups for Tape-packaged Products
Tape-packaged products
High-precision output type
PQ2TZ55
PQ2TZ15
Standard type
-
-
High-precision output type
PQ2TZ55U
PQ2TZ15U
Output current
0.5A output
1.0A output
PQ2TZ55/PQ2TZ15
Fig.10 Circuit Operating Current vs. Input
Voltage
Fig.11 Circuit Operating Current vs. Input
Voltage
Fig.12 Quiescent Current vs. Junction
Temperature
Fig.13 Quiescent Current vs. Junction
Temperature
(PQ2TZ55)
(PQ2TZ15)
0
0
5
2
4
1
3
10
20
R
L
=
R
L
=2.5
R
L
=5
Circuit operating current I
BIAS
(mA)
Input voltage V
IN
(V)
T
j
=25C
(PQ2TZ55)
(PQ2TZ15)
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