1A Output, Low Power-Loss Voltage Regulator Considering Power Line Voltage Drop
s
Features
¡Low
power-loss (Dropout voltage : MAX. 0.5V)
¡Compact
resin full-mold package
¡Output
voltage value (5.1V) with an allowance for power line
voltage drop
¡High-precision
output voltage type (output voltage precision :
±2.5%)
¡Built-in
ON/OFF control function
s
Outline Dimensions
10.2MAX
3.6±0.2
4.5±0.2
(Unit : mm)
2.8±0.2
7.4±0.2
29.1MAX
PQ05RF14
4-1.4
13.5MIN
4-0.6
+0.3
-0
+0.2
-0.1
s
Applications
¡Series
power supply for various electronic equipment such as VCRs
and electronic instruments
3-(2.54)
(0.5)
1 2 3 4
q q q q
Internal connection diagram
1
Specific IC
4
3
2
1
DC input (V
IN
)
2
DC output (V
O
)
3
GND
4
ON/OFF control
terminal (V
C
)
s
Absolute Maximum Ratings
*1
*1
(T
a
=25˚C)
Symbol
Rating
Unit
V
IN
35
V
V
C
35
V
I
O
1
A
P
D1
1.5
W
P
D2
15
W
T
j
150
˚C
T
opr
-20 to +80
˚C
T
stg
-40 to +150
˚C
T
sol
260 (For 10s) ˚C
*2
Parameter
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (with infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
All are open except, GND and applicable terminals.
Over heat protection may operate at 125=<T
j
=<150˚C
*1
*2
· 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. ”
4.8MAX
15.6±0.5
(1.5)
φ3.2±0.1
Low Power-Loss Voltage Regulators
s
Electrical Characteristics
Parameter
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for current
OFF-state voltage for control
OFF-state current for control
Quiescent current
*3
*4
PQ05RF14
(Unless otherwise specified,condition shall be V
IN
=7V, Io=0.5A, T
a
=25˚C)
Symbol
V
O
R
eg
L
R
eg
L
TcVo
RR
V
i
-o
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
q
Conditions
-
I
O
=5mA to 1A
V
IN
=6 to 16V
Tj=0 to 125˚C
Refer to Fig. 2
*3
*4
V
C
=2.7V
-
V
C
=0.4V
I
O
=0A
MIN.
4.97
-
-
-
45
-
2.0
-
-
-
-
TYP.
5.1
0.1
0.5
±0.02
55
-
-
-
-
-
-
MAX.
5.23
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
Unit
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal
4,
output voltage turns on.
Fig.1 Test Circuit
V
IN
1
q
2
q
4
q
3
q
0.33µF
V
C
47µF
V
O
Fig.2 Test Circuit of Ripple Rejection
+
1
q
e
i
~
V
IN
0.33µF
3
q
2
q
4
q
47µF
+
I
O
A
I
q
I
C
+
A
I
O
I
O
=0.5A
R
L
V
e
o
~
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
V
R
L
A
Fig.3 Power Dissipation vs. Ambient
Temperature
20
P
D1
:No heat sink
P
D2
:With infinite heat sink
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
100
Relative output voltage (%)
Power dissipation P
D
(W)
15
P
D2
80
60
40
10
5
P
D1
20
0
0
50
100
150
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may operate in
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