Sharp PQ7VZ5 Datasheet
Low Power-Loss Voltage Regulators
PQ7VZ5
Variable Output, Compact Surface Mount Type Low Power-Loss Voltage Regulators
PQ7VZ5
■ Features
¡Low power-loss (Dropout voltage:MAX. 0.5V)
¡Variable output type (1.5V to 7V)
¡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 control function
¡Reference voltage precision:±2.0%
¡Tape packaged type is also available. (Reel:3 000pcs.)
■ Applications
¡Personal computers
¡Word processors
¡Printers
¡Camcoders
¡Personal Information Tools(PDA)
■ Outline Dimensions
6.6MAX
5.2±0.5
7VZ5
9.7MAX
5.5±0.5
2.5MIN
13245
Internal connection diagram
1
2
Specific IC
5
0.5
4-(1.27)
3
4
3
+0.2
-0.1
2.3±0.5
(0.5)
(0.5)
IN
1 V
2 ON/OFF control
OUT
3 V
4 O
ADJ
5 GND
Heat sink is common to 3 (V
(Unit : mm)
(0to0.25)
(0.9) (1.7)
OUT
)
■ Absolute Maximum Ratings
*1
Input voltage
*1
ON/OFF control terminal voltage
*1
Output adjustment 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
“ 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. ”
Parameter Symbol Rating Unit
j
=<150˚C
V
IN
V
C
V
ADJ
I
O
P
D
T
j
T
opr
T
stg
T
sol
10
10
7
0.5
8
150
-20 to +80
-40 to +150
260 (For 10s)
(Ta=25˚C)
V
V
V
A
W
˚C
˚C
˚C
˚C
· Please refer to the chapter“ Handling Precautions ”.
Low Power-Loss Voltage Regulators PQ7VZ5
■ Electrical Characteristics
(Unless otherwise specified, conditions shall be VIN=5V, VO=3V(R1=1kΩ), Io=0.3A, VC=2.7V, Ta=25˚C)
Parameter Symbol Condition
Input voltage
Output voltage variable range
Load regulation
RegL
Line regulation
Ripple rejection
Dropout voltage
Reference voltage
Temperature coefficient of reference voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
TCV
V
I
V
I
C (OFF)
Quiescent current
Output OFF-state consumption current
*4
In case of opening control terminal 2 , output voltage turns off.
Fig.1 Test Circuit
0.33µF
V
IN
●2
V
C
A
VO=V
ref
[R1=390Ω,V
●3●1
R
●4
●5
A
R
X 1+- 1.25 X 1+
R
ref
Iq1kΩ
2
=
1
1.25V]
=
R
2
1
V
R
2
R
1
V
IN
V
O
eg
R
RR
i
-o
V
ref
V
C (ON)
C (ON)
C (OFF)
I
q
I
qs
47µF
+
O
=5mA to 0.5A
I
I
IN
=4 to 10V, IO=5mA
V
Refer to Fig. 2
IN
=3.4, IO=0.3A
V
ref
O
=5mA, Tj=0 to 125˚C
I
*4
C
=0A
I
C
=0.4V, IC=0A
V
C
=0A
I
C
=0.4V
V
V
O
O
I
A
V
R
L
-
-
-
-
3.4
1.5
-
-
45
-
1.225
-
2.0
-
-
-
-
-
-
-
0.2
0.2
60
-
1.25
±1.0
-
-
-
4
-
10.0
7.0
2.0
2.5
-
0.5
1.275
-
-
200
0.8
2
7
5
Fig.2 Test Circuit for Ripple Rejection
0.33µF
e
i
~
V
IN
●2 ●4
V
C
●3●1
●5
f=120Hz (sine wave)
i
=0.5V
rms
e
IO=0.3A
RR=20 log (e
IN
=5V
V
O
=3V (R1=1kΩ)
V
1kΩ
R
2
47µF
R
1
i/eo
)
47µF
+
+
R
UnitMAX.TYP.NIN.
V
V
%
%
dB
V
V
%
V
µA
V
µA
mA
µA
O
I
e
o
V
~
L
Fig.3 Power Dissipation vs. Ambient
Temperature
10
5
Power dissipation PD (W)
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)
Fig.4 Overcurrent Protection
Characteristics(Typical Value)
4
a
=25˚C
T
O
=3V(R1=1kΩ,R2=1.4kΩ)
V
3
(V)
O
2
1
Output voltage V
0
0 0.5 1.0 1.5 2.0
V
i
-O
=0.5V
i
-O
=1V
V
Output current IO (A)
V
i
-O
=5V
i
-O
=2V
V
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