PQ05RF14 [SHARP]
1A Output, Low Power-Loss Voltage Regulator Considering Power Line Voltage Drop; 1A输出，低功耗电压调节器考虑到电力线路压降
| 型号： | PQ05RF14 |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | 1A Output, Low Power-Loss Voltage Regulator Considering Power Line Voltage Drop |
| 文件： | 总4页 (文件大小：37K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PQ05RF14
Low Power-Loss Voltage Regulators
PQ05RF14
1A Output, Low Power-Loss Voltage Regulator Considering Power Line Voltage Drop
(Unit : mm)
■ Features
■ Outline Dimensions
¡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
4.5±0.2
10.2MAX
2.8±0.2
¡High-precision output voltage type (output voltage precision :
±2.5%)
φ3.2±0.1
PQ05RF14
¡Built-in ON/OFF control function
+0.3
-0
4-1.4
4-0.6
+0.2
-0.1
(1.5)
■ Applications
¡Series power supply for various electronic equipment such as VCRs
and electronic instruments
(0.5)
3-(2.54)
1● 2● 3● 4●
Internal connection diagram
1
2
4
1 DC input (VIN)
2 DC output (VO)
3 GND
Specific IC
4 ON/OFF control
terminal (VC)
3
■ Absolute Maximum Ratings
(Ta
=25˚C)
Parameter
Symbol
Rating
Unit
V
*1
*1
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
VIN
35
V
C
35
1
1.5
15
150
V
A
IO
P
P
D1
D2
W
W
˚C
˚C
˚C
*2
T
j
Topr
-20 to +80
-40 to +150
260 (For 10s) ˚C
T
T
stg
sol
*1
*2
All are open except, GND and applicable terminals.
Over heat protection may operate at 125=<Tj=<150˚C
· 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. ”
Low Power-Loss Voltage Regulators
PQ05RF14
■ Electrical Characteristics
(Unless otherwise specified,condition shall be VIN=7V, Io=0.5A, T
a
=25˚C)
Parameter
Output voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Symbol
Conditions
-
=5mA to 1A
VIN=6 to 16V
Tj=0 to 125˚C
MIN.
TYP.
MAX.
5.23
2.0
2.5
-
-
0.5
-
Unit
V
%
VO
4.97
-
-
-
45
-
2.0
-
-
-
-
5.1
0.1
0.5
±0.02
55
-
-
-
-
R
eg
L
L
I
O
Reg
%
TcVo
RR
Vi-o
%/˚C
dB
V
V
µA
V
Refer to Fig. 2
*3
Dropout voltage
*4
ON-state voltage for control
ON-state current for current
OFF-state voltage for control
OFF-state current for control
Quiescent current
V
C
(
ON
ON
OFF
OFF
)
)
)
)
I
C
(
(
(
V
C
=2.7V
=0.4V
20
V
C
-
0.8
-0.4
10
I
C
V
IO=0A
C
-
-
mA
mA
Iq
*3
*4
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
Fig.2 Test Circuit of Ripple Rejection
+
VIN
47µF
VO
1●
2●
4●
1●
2●
4●
V
C
I
O
IO
=0.5A
f=120Hz (sine wave)
=0.5Vrms
RR=20 log (e
IO
A
~
ei
I
C
+
47µF
+
3●
3●
V
A
V
eo
~
VIN
RL
0.33µF
0.33µF
e
i
R
L
A
I
q
i/eo)
Fig.3 Power Dissipation vs. Ambient
Fig.4 Overcurrent Protection
Temperature
Characteristics (Typical Value)
20
100
80
P
P
D1 :No heat sink
D2 :With infinite heat sink
P
D2
15
10
5
60
40
20
0
P
D1
0
-20
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1
0
50
100
150
Output current I (A)
O
Ambient temperature T
a
(˚C)
Note) Oblique line portion:Overheat protection may operate in
this area.
PQ05RF14
Low Power-Loss Voltage Regulators
Fig.5 Output Voltage vs. Input Voltage
Fig.6 Circuit Operating Current vs. Input
Voltage
40
8
7
6
30
20
5
4
3
2
R =∞
L
RL
=10Ω
RL
=5Ω
RL=5Ω
R
R
L
=10Ω
=∞
10
0
L
1
0
0
2
4
6
8
10
0
5
10
Input voltage VIN (V)
Input voltage VIN (V)
Fig.7 Dropout Voltage vs. Junction
Fig.8 Quiescent Current vs. Junction
Temperature
Temperature
10
0.5
V
IN=35V
=0
IO
0.4
8
6
IO
=1A
0.75A
0.5A
0.3
0.2
4
0.1
0
0.25A
2
0
-25
0
25
50
75
100 125
-25
0
25
50
75
100 125
j (˚C)
Junction temperature Tj (˚C)
Junction temperature T
Fig.9 Ripple Rejection vs. Input Ripple
Fig.10 Ripple Rejection vs. Output Current
Frequency
80
80
70
60
50
40
70
60
50
30
20
40
10
0
IO=0.5A,ei=0.5Vrms,
VIN=7V
f=120Hz,ei=0.5Vrms,
VIN=7V
30
0.1
1
10
100
0
0.2
0.4
0.6
0.8
1.0
Input ripple frequency f (kHz)
Output current IO (A)
Low Power-Loss Voltage Regulators
PQ05RF14
Fig.11 Output Peak Current vs. Dropout
Voltage
Fig.12 Output Peak Current vs. Junction
Temperature
2.0
2.0
VIN-Vo=5V
1.5
1.0
0.5
1.5
2V
0.5V
I
OP:Output current when
output voltage is 95%
in comparison with
the initial value
Tj=25˚C
1.0
-20
0
25
50
75
100 125
(˚C)
0
5
10
15
Junction temperature T
j
Dropout voltage V
i
-O (V)
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