SHARP PQ15RW08_01

Low Power-Loss Voltage Regulators
PQ15RW08/PQ15RW11/PQ15RW21
PQ15RW08/PQ15RW11/PQ15RW21
Variable Output, General Purpose Type Low Power-Loss Voltage Regulator
■
■
Features
(Unit : mm)
Outline Dimensions
Low power-loss
(Dropout voltage: MAX. 0.5V at Io=0.5A [PQ15RW08/11],
Io=2A [PQ15RW21])
● Compact resin mold package(equivalent to TO-220)
● Variable output voltage(3.0 to 15V)
● Low voltage operation (Minimum supply voltage: 3.5V)
● Reference voltage precision: ±2.5%
● Built-in overcurrent, overheat protection functions,
ASO protection circuit
● Lead forming type is also available.
●
●
4.5±0.2
φ 3.2±0.1
29.1MAX.
Epoxy resin
(1.5)
4–1.4± 0.3
0
4.8MAX. 15.6±0.5
7.4±0.2
3.6±0.2
2.8±0.2
PQ15RW08
13.5MIN.
■
4–(φ1.4)
10.2MAX
4–0.6± 0.2
0.1
Applications
Power supplies for various electronic equipment such as
AV, OA eguipment
3–(2.54)
(0.5)
( ) : Typical dimensions
1
2
3
4
Internal connection diagram
1
2
Specific IC
1
2
3
4
DC input(VIN)
DC output(Vo)
GND
Output voltage adjustment terminal (VADJ)
4
3
■
Absolute Maximum Ratings
Parameter
❇1 Input
voltage
adjustment terminal voltage
Output current
❇1 Output
❇2 Power
dissipation
❇3 Junction
temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol
VIN
VADJ
Io
PD1
PD2
Tj
Topr
Tstg
Tsol
(Ta=25˚C)
PQ15RW08
0.8
1.25
10
Rating
PQ15RW11
20
5
1.0
PQ15RW21
2.0
1.4
15
150
-20 to +80
-40 to +150
260(For 10s)
Unit
V
V
A
W
W
˚C
˚C
˚C
˚C
❇1
All are open except GND and applicable terminals.
PD1: No heat sink, PD2: With infinite heat sink
❇3 Overheat protection may operate at 125<=Tj<=150˚C
❇2
• Please refer to the chapter " Handling Precautions ".
Notice
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 device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Low Power-Loss Voltage Regulators
■
Electrical Characteristics (Unless otherwise specified, conditions shall be VIN=5V, Vo=3.3V(R1=2kΩ, R2=500Ω), Io=0.5A)(Ta=25˚C)
Parameter
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
Symbol
VIN
Vo
RegL
RegI
RR
Vref
TcVref
Vi-o
Iq
Conditions
––
––
MIN.
3.5
3.0
––
––
45
2.574
––
––
––
❇4
VIN=5 to 15V, Io=5mA
Refer to Fig. 2
––
Tj=0 to 125˚C
VIN=3.5V, ❇5
Io=0A
TYP.
––
––
0.3
0.5
55
2.64
±0.01
––
––
MAX.
20
15
2.0
2.5
––
2.706
––
0.5
8
Unit
V
V
%
%
dB
V
%/˚C
V
mA
PQ15RW08: Io=5mA to 0.8A, PQ15RW11: Io=5mA to 1A, PQ15RW21: Io=5mA to 2A
PQ15RW08/PQ15RW11: Io=0.5A, PQ15RW21: Io=2A
Fig. 1 Test Circuit
VIN
0.33µF
1
Fig. 2 Test Circuit of Ripple Rejection
47µF
2
R2
A
Vref
4
3
Iq 2kΩ
R1 V
VO
A
IO
+
0.33µF
1
ei
3
V
RL
f=120Hz(sine
ei(rms)=0.5V
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ15RW08)
5
20
15
wave)
;;;
;;;
;;;
;;;
PD1 :No heat sink
PD2 :With infinite heat sink
PD2
10
5
PD1
PD1
0
50
80 100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
eo
Fig. 4 Power Dissipation vs. Ambient
Temperature(PQ15RW11/21)
PD1 :No heat sink
PD2 :With infinite heat sink
PD2
V
RL
IO=0.5A
RR=20 log(ei(rms)/eo(rms))
VIN=5V
VO=3.3V(R1=2kΩ)
20
15
IO
+
R1
2kΩ
[R1=2kΩ,Vref Nearly=2.64V]
0
–20
47µF
4
VIN
R2
VO=Vref x 1+ –––––
R1
10
+
2
R2
Power dissipation PD (W)
❇5
Power dissipation PD (W)
❇4
PQ15RW08/PQ15RW11/PQ15RW21
0
–20
0
20
40
60
80
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
Low Power-Loss Voltage Regulators
Fig. 5 Overcurrent Protection
Characteristics (Typical Value)
(PQ15RW08)
Vo=3.3V
VIN=Vo+2V
80
VIN=Vo+5V
60
40
VIN=Vo+1V
20
0
0.5
1.0
1.5
Output current IO (A)
VIN=15V
VIN=10V
60
40
VIN=5V
20
0
2.0
0
0.5
1.0
1.5
2.0
Output current IO (A)
2.5
Fig. 8 Output Voltage Adjustment
Characteristics
Vo=3.3V
4
Output voltage VO (V)
Output voltage Vo(V)
80
15
5
Vi-o=1V
3
Vi-o=0.5V
2
Vi-o=3V
Vi-o=2V
R1=2kΩ
10
5
1
0
0
1.0
2.0
3.0
Output current IO (A)
4.0
DC input
1
VO
2
R2
3
4
CO +
R1
2kΩ
0
102
103
104
R2 (Ω)
Typical Application
Vin
Relative output voltage (%)
Relative output voltage (%)
Vo=3.3V
Fig. 7 Overcurrent Protection
Characteristics (Typical Value)
(PQ15RW21)
■
Fig. 6 Overcurrent Protection
Characteristics (Typical Value)
(PQ15RW11)
100
100
0
PQ15RW08/PQ15RW11/PQ15RW21
Load
105
NOTICE
●
The 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.
●
Contact 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.
●
Observe 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).
●
Contact 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.
●
If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign
Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to export such SHARP devices.
●
This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under 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 may be made by a third party.
●
Contact and consult with a SHARP representative if there are any questions about the contents of this publication.