Low Power-Loss Voltage Regulators
PQ05RD11 Series
1A Output, General Purpose Low Power-loss Voltage Regulators
PQ05RD11 Series
■ Features
¡Low Power-loss (Dropout voltage : MAX.0.5V at Io=0.5A)
¡Line-up for 5V, 9V and 12V output type
¡Compact resin package (TO-220 package)
¡High-precision output voltage type
Output voltage precision : ±3.0%
¡Built-in ON/OFF control function
¡Built-in overcurrent protection, overheat protection, ASO
protection circuit
■ Applications
¡Power supplies for various electronic equipment such as AV,
OA equipment
■ Outline Dimensions
4-(φ1.4)
29.1MAX
Internal connection diagram
1
10.2MAX
7.4±0.2
PQ05RD11
13.5MIN
1234
Control circuit
3
φ3.2±0.1
4-1.4
4-0.6
3-(2.54)
2
4
3.6±0.2
+0.3
-0
+0.2
-0.1
1 DC input (VIN)
2 DC output (V
3 GND
4 ON/OFF control
terminal (V
4.5±0.2
O
C
)
(Unit : mm)
2.8±0.2
4.8MAX
(1.5)
(0.5)
)
15.6±0.5
■ Absolute Maximum Ratings
*1
Input voltage
*1
ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
*2
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
All are open except GND and applicable terminals.
*2
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
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
-20 to +80
T
stg
-40 to +150
T
sol
260 (For 10s)
j
=<150˚C
(Ta=25˚C)
20
20
1.0
1.4
15
150
V
V
A
W
˚C
˚C
˚C
˚C
· Please refer to the chapter “Handling Precautions” .
Low Power-Loss Voltage Regulators
PQ05RD11 Series
■ Electrical Characteristics
(Unless otherwise specified, conditions shall be IO=0.5A,*3,Ta=25˚C)
Parameter Symbol Conditions
PQ05RD11
Output voltage
PQ09RD11
V
O
PQ12RD11
Load regulation
RegL
Line regulation
Temperature coefficient of output voltage
T
Ripple rejection
Dropout voltage
*6
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
V
I
V
I
C (OFF)
Quiescent current
*3
PQ05RD11:V
*4
PQ05RD11:V
*5
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*6
In case of opening control terminal 4, output voltage turns on.
IN
=7V, PQ09RD11:VIN =11V, PQ12RD11: VIN =14V
IN
= 6 to 12V, PQ09RD11:VIN =10 to 16V, PQ12RD11: VIN =13 to 19V
eg
R
CVO
RR
i
-o
V
C (ON)
C (ON)
C (OFF)
I
q
I
Io=5mA to 1.0A
*4
, Io=5mA
j
=0 to 125˚C, Io=5mA
T
*5
C
=2.7V
V
C
=0.4V
V
Io=0A
Fig.1 Test Circuit
V
IN
0.33µF
●3
A
47µF
V
●2●1
V
C
●4
I
C
A
I
q
O
I
O
A
+
V
R
L
~
Fig.3 Power Dissipation vs. Ambient
Temperature
(W)
D
20
15
10
P
D1
:No heat sink
P
D2
:With infinite heat sink
D2
P
-
8.73
11.64
4.85
-
45
-
-
5.0
9.0
12.0
-
0.1
-
0.5
-
±0.02
2
-
-
-
-
5.15
9.27
12.36
2.0
2.5
-
55
-
-
-
-
-
-
-
0.5
-
20
0.8
-0.4
10
Fig.2 Test circuit for Ripple Rejection
●2●1
e
i
0.33µF47µF
V
IN
f=120Hz (sine wave)
i
=0.5V
e
VIN= 7V (PQ05RD11)
IN
V
IN
V
O
I
RR=20 log (e
●4
●3
rms
=11V (PQ09RD11)
=14V (PQ12RD11)
=0.3A
i/eo
)
+
I
O
+
V
R
L
~
e
o
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
(PQ05RD11)
100
80
60
40
VIN=20V
VIN=15V
UnitMAX.TYP.MIN.
V
%
%
%/˚C
dB
V
V
µA
V
mA
mA
5
Power dissipation P
P
D1
0
-200 20406080
Note) Oblique line portion:Overheat protection may operate
Ambient temperature Ta (˚C)
in this area.
20
Relative output voltage (%)
0
0 0.5 1.0 1.5 2.0 2.5
Output current IO (A)
V
IN
=7V