Page 1
Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
2.5V Output, Surface Mount Type Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
■ 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.5µA)
¡Tape packaged type is also available.
( φ330mm reel : 3 000pcs., PQ2TZ55U/PQ2TZ15U)
■ Applications
¡Personal computers
¡Personal information tools(PDA)
¡Various OA equipment
■ Outline Dimensions
6.6MAX
5.2±0.5
2TZ55
9.7MAX
5.5±0.5
2.5MIN
13245
Internal connection diagram
1
Specific IC
5
3
2
3
+0.2
0.5
-0.1
4-(1.27)
2.3±0.5
(0.5)
(0.5)
IN
1 DC input (V
2 ON/OFF control
terminal (V
3 DC output (V
4 NC
5 GND
Heat sink is common to 3 (V
)
C
)
O
)
(Unit : mm)
(0to0.25)
(0.9) (1.7)
O
).
■ 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 infinite heat sink.
*3
Overheat protection may operate at 125=<T
Parameter Symbol Rating Unit
PQ2TZ55
PQ2TZ15
“ 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. ”
j
=<150˚C
(Ta=25˚C)
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
· Please refer to the chapter“ Handling Precautions ”.
Page 2
Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
■ Electrical Characteristics
(Unless otherwise specified, conditions shall be IO=0.3A [PQ2TZ55]/IO=0.5A [PQ2TZ15]VIN=3.3V, VC=2.7V, Ta=25˚C)
Parameter Symbol Conditions
Input voltage
Output voltage
Load regulation
PQ2TZ55
PQ2TZ15
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
PQ2TZ55
PQ2TZ15
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
In case of opening control terminal 2, output voltage turns off.
T
V
I
V
I
V
IN
V
O
RegL
eg
R
CVO
RR
V
i-o
C (ON)
C (ON)
C (OFF)
C (OFF)
I
q
I
qs
O
=5mA to 0.5A
I
O
=5mA to 1.0A
I
I
IN
=3.0 to 10V, IO=5mA
V
O
=5mA, Tj=0 to 125˚C
I
IN
=3V, IO=0.5A
V
IN
=3V, IO=1.0A
V
*4
C
=0.4V
V
O
=0A
I
O
=0A, VC=0.4V
I
-
-
3.0
2.438
-
-
-
-
±0.01
45
-
2.0
-
-
-
-
-
-
-
Fig.1 Test Circuit Fig.2 Test Circuit for Ripple Rejection
47µF
VIN
0.33µF
VO
47µF
●3●1
VC
●2
●5
A
A
Iq
IC
IO
A
+
V
RL
~
ei
0.33µF
VIN
●3●1
VC
●2
●5
2.7V
+
I
O
+
V
RL
~
UnitMAX.TYP.MIN.
-
2.5
0.2
0.1
10
2.562
2.0
2.5
-
60
-
-
-
-
-
-
-
eo
-
0.5
-
200
0.8
2
10
5
V
V
%
%
%/˚C
dB
V
V
µA
V
µA
mA
µA
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
4020 60 80
Ambient temperature Ta (˚C)
f=120Hz (sine wave)
i=0.5Vrms
e
VIN=3.3V
O=0.5A (PQ2TZ15)
I
O=0.3A (PQ2TZ55)
I
RR=20 log (e
i/eo)
Page 3
Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
Fig.4 Overcurrent Protection
Characteristics
(PQ2TZ55)
3
j
=25˚C
(V)
O
T
2
IN
=3.0V
V
V
IN
=3.5V
1
V
V
IN
=4.5V
IN
=7.5V
Output voltage V
0
0 0.5 1.0 1.5 2.0
Output current IO (A)
Fig.6 Output Voltage Deviation vs.
Junction Temperature
(PQ2TZ55)
1.0
V
IN=3.3V
0.8
I
O=0.3A
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
Output voltage deviation ∆VO (mV)
-1.0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.8 Output Voltage vs. Input Voltage
(PQ2TZ55)
3
j
=25˚C
T
Fig.5 Overcurrent Protection
Characteristics
(PQ2TZ15)
3
j
=25˚C
T
(V)
O
2
IN
=3.0V
V
V
IN
=3.5V
1
Output voltage V
0
0 0.5 1.0 1.5 2.52.0
V
V
IN
=4.5V
IN
=7.5V
Output current IO (A)
Fig.7 Output Voltage Deviation vs.
Junction Temperature
(PQ2TZ15)
1.0
V
IN
=3.3V
0.8
IO=0.5A
(mV)
O
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
Output voltage deviation ∆V
-1.0
-10 0 25 50 75 100 125
Junction temperature Tj (˚C)
Fig.9 Output Voltage vs. Input Voltage
(PQ2TZ15)
3
j
=25˚C
T
L
=10Ω
(V)
O
2
R
L
=∞
R
R
L
=5Ω
1
Output voltage V
0
012345
Input voltage V
IN
(V)
L
=5Ω
(V)
O
2
L
=∞
R
R
R
L
=2.5Ω
1
Output voltage V
0
012345
Input voltage V
IN
(V)
Page 4
Low Power-Loss Voltage Regulators
PQ2TZ55/PQ2TZ15
Fig.10 Circuit Operating Current vs. Input
Voltage
Fig.11 Circuit Operating Current vs. Input
Voltage
(PQ2TZ55) (PQ2TZ15)
j
=25˚C
T
(mA)
20
BIAS
10
Circuit operating current I
0
052413
Input voltage V
IN
R
R
R
L
=5Ω
L
=10Ω
L
=∞
(V)
Fig.12 Quiescent Current vs. Junction
Temperature
(PQ2TZ55)
5.0
IN
=3.3V
V
I
O
=0A
4.0
(mA)
q
3.0
Fig.13 Quiescent Current vs. Junction
(PQ2TZ15)
j
=25˚C
T
(mA)
20
BIAS
10
Circuit operating current I
0
052413
Input voltage V
Temperature
5.0
IN
=3.3V
V
I
O
=0A
4.0
(mA)
q
3.0
R
R
R
IN
L
=2.5Ω
L
=5Ω
L
=∞
(V)
2.0
1.0
Quiescent current I
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
■ Model Line-ups for Tape-packaged Products
Sleeve-packaged products
Output current
output
0.5A
output
1.0A
Standard type
-
-
High-precision output type
PQ2TZ55
PQ2TZ15
2.0
1.0
Quiescent current I
0
-25 0 25 50 75 100 125
Junction temperature Tj (˚C)
Tape-packaged products
Standard type
-
-
High-precision output type
PQ2TZ55U
PQ2TZ15U
Loading...