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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."
PQ05RB11 Series
Low Power-Loss Voltage Regulators (Built-in Overheat Shut-Down Function)
s
Outline Dimensions
Low Power-Loss Voltage Regulators
PQ05RB11 Series
(Unit : mm)
s
Features
Compact resin full-mold package
Low power-loss (Dropout voltage : MAX.0.5V)
Overheat shut-down function (Keep shut-down output until
power-on again)
Overcurrent protection type
Built-in ON/OFF control function
High-precision output type
(Output voltage precision :
2.5%)
s
Applications
Series power supply for TVs and VCRs
Switching power supply
PQ05RB11
s
Model Line-ups
5V
PQ09RB11
9V
PQ12RB11
12V
Model No.
Output
Parameter
Symbol
Rating
Unit
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
opr
T
str
T
sol
35
35
1
1.25
12.5
150
-20 to +80
-40 to +150
260
V
V
A
W
W
C
C
C
C
Input voltage
ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinte heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
*1
*1
*2
*3
*1
All are open except GND and applicable terminals.
*2
Overheat shut-down function operates at T
j
>=110C
*3
For 10s
s
Absolute Maximum Ratings
(T
a
=25C)
2
3
1
4
PQ05RB11
1 DC input (V
IN
)
2 DC output (V
O
)
3 GND
4 ON/OFF control
terminal (V
C
)
Internal connection diagram
Specific IC
29.1MAX
10.2MAX
7.40.2
3.60.2
3.20.1
+0.3
-0
4-1.4
+0.2
-0.1
4-0.6
13.5MIN
3-(2.54)
4.50.2
2.80.2
15.60.5
4.8MAX
(1.5)
(0.5)
q
1
q
2
q
3
q
4
Low Power-Loss Voltage Regulators
Fig.1 Test Circuit
Fig.2 Test Circuit of Ripple Rejection
Parameter
Symbol
Conditions
V
O
R
eg
L
R
eg
I
T
C
V
O
RR
V
i
-
O
V
C
(
ON
)
I
C
(
ON
)
V
C
(
OFF
)
I
C
(
OFF
)
I
q
T
SD
Output Voltage
Load regulation
Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Quiescent current
Overheat shut-down temperature
Unit
MAX.
TYP.
MIN.
PQ05RB11
PQ09RB11
PQ12RB11
4.88
8.78
11.7
-
-
-
45
-
2.0
*7
-
-
-
-
110
-
I
O
=5mA to 1A
*5
Tj=0 to 125C, I
O
=5mA
Refer to Fig.2
*6
, I
O
=0.5A
-
V
C
=2.7V
-
V
C
=0.4V
I
O
=0A
-
5.0
9.0
12.0
0.1
0.5
0.02
55
-
-
-
-
-
-
130
5.12
9.22
12.3
2.0
2.5
-
-
0.5
-
20
0.8
-0.4
10
150
V
%
%
%/C
dB
V
V
A
V
mA
mA
C
s
Electrical Characteristics
*4
PQ05RB11
:V
IN
=7V,
PQ09RB11
:V
IN
=15V, PQ12RB11:V
IN
=18V
*5
PQ05RB11
:V
IN
=6 to 12V,
PQ09RB11
:V
IN
=10 to 25V,
PQ12RB11
:V
IN
=13 to 29V
*6
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
*7
In case of opening control terminal 4, output voltage turns on.
(Unless otherwise specified, condition shall be I
O
=0.5A, V
IN
=
*4
, Ta=25C)
Fig.4 Overcurrent Protection
Characteristics (Typical Value)
Fig.3 Power Dissipation vs. Ambient
Temperature
q
3
q
2
q
1
q
4
A
V
A
A
V
IN
I
q
I
C
I
O
V
O
V
C
R
L
0.33
F
47
F
+
0
5
P
D1
P
D2
10
Power dissipation P
D
(W)
0
-20
50
100
150
Ambient temperature T
a
(C)
P
D
1 :No heat sink
P
D
2 :With infinite heat sink
0
0
20
80
40
60
100
Relative output voltage (%)
0.5
1.0
1.5
2.0
Output current I
O
(A)
Note) Oblique line portion : Overheat protection operates in
this area.
PQ05RB11 Series
q
3
q
2
q
1
q
4
V
e
i
V
IN
I
O
e
o
R
L
0.33
F
47
F
+
+
~
~
f=120Hz (sine wave)
e
i
=0.5V
rms
RR=20 log (e
i
/e
o
)
Low Power-Loss Voltage Regulators
PQ05RB11 Series
Fig.5 Output Voltage vs. Input Voltage
(PQ05RB11)
Fig.7 Output Voltage vs. Input Voltage
(PQ12RB11)
Fig.9 Circuit Operating Current vs. Input
Voltage (PQ05RB11)
Fig.8 Dropout Voltage vs. Junction Temperature
Fig.10 Circuit Operating Current vs. Input
Voltage (PQ09RB11)
Fig.6 Output Voltage vs. Input Voltage
(PQ09RB11)
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=12
R
L
=24
T
j
=25C
0
5
0
10
15
5
10
R
L
=
0
0.15
0.20
0.25
0.05
0.10
0.30
0.35
0.40
0.45
0.50
Dropout voltage V
i
-O
(V)
-25
0
25
50
75
100
125
Junction temperature T
j
(C)
0.75A
0.25A
0.5A
I
O
=1A
0
5
10
15
20
25
30
35
40
Circuit operating current I
BIAS
(mA)
1
0
2
3
4
5
6
7
8
9
10
Input voltage V
IN
(V)
R
L
=
R
L
=
10
R
L
=
5
T
j
=25C
0
5
10
15
20
25
30
35
40
Circuit operating current I
BIAS
(mA)
2
4
6
8
10
12
14
Input voltage V
IN
(V)
R
L
=
R
L
=18
R
L
=9
T
j
=25C
0
1
2
3
4
5
6
Output voltage V
O
(V)
1
0
2
3
4
5
6
7
8
9
10
Input voltage V
IN
(V)
R
L
=5
R
L
=10
T
j
=25C
R
L
=
Output voltage V
O
(V)
Input voltage V
IN
(V)
R
L
=
R
L
=9
R
L
=18
T
j
=25C
0
1
0
2
3
4
5
6
7
8
9
10
2
4
6
8
10
12
Low Power-Loss Voltage Regulators
Fig.11 Circuit Operating Current vs. Input
Voltage (PQ12RB11)
Fig.12 Output Peak Current vs. Junction
Temperature
s
Typical Applications
s
Overheat Shut-down Characteristics
*Tsd : Overheat shut-down temperature (Tj>=110C)
(1) Overheat shut-down operates at Tj=Tsd and output OFF-state is maintained.
(2) OFF-state is kept untill V
IN
is once turned off or Vc is turned down to the "L" level.
PQ05RB11 Series
Specific IC
q
2
q
3
q
1
q
4
V
O
ON/OFF Signal (High or Open : Output ON)
(Low : Output OFF)
0.33
F
C
O
DC input
+
Load
40
35
25
30
20
15
10
5
0
Circuit operating current I
BIAS
(mA)
5
10
Input voltage V
IN
(V)
T
j
=25C
R
L
=12
R
L
=24
R
L
=
-25
0
50
25
100
75
125
2.2
2.0
1.6
1.8
1.4
1.2
Output peak current I
OP
(A)
Junction temperature T
j
(C)
I
OP
:Output current when
output voltage is 95%
in comparison with
the initial value
V
IN
-V
O
=5V
V
IN
-V
O
=2V
V
IN
-V
O
=1V
V
IN
-V
O
=0.5V
ON
OFF
Low
*Tsd
V
IN
V
C
T
j
V
O
High (or open)
115
Application Circuits
NOTICE
qThe circuit application examples in this publication are provided to explain representative applications of
SHARP devices and are not intended to guarantee any circuit design or license any intellectual property
rights. SHARP takes no responsibility for any problems related to any intellectual property right of a
third party resulting from the use of SHARP's devices.
qContact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
qObserve the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
--- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g., scuba).
qContact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
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Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export
such SHARP devices.
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the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of SHARP. Express written permission is also required before any use of this publication
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