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Low Power-Loss Voltage Regulators
PQ15RW08/PQ15RW11/PQ15RW21
PQ15RW08/PQ15RW11/PQ15RW21
Variable Output, General Purpose Type Low Power-Loss Voltage Regulator
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Features
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Outline Dimensions
10.2MAX 4-(1.4) 4.50.2
(Unit : mm)
13.5MIN.
Low power-loss (Dropout voltage: MAX. 0.5V at Io=0.5A [PQ15RW08/11], Io=2A [PQ15RW21]) q Compact resin mold package(equivalent to TO-220) q Variable output voltage(3.0 to 15V) q Low voltage operation (Minimum supply voltage: 3.5V) q Reference voltage precision: 2.5% q Built-in overcurrent, overheat protection functions, ASO protection circuit q Lead forming type is also available.
2.80.2
7.40.2
PQ15RW08
Epoxy resin (1.5) 4-1.4 0.3 0 4-0.6 0.2 0.1
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Applications
3-(2.54) (0.5)
Power supplies for various electronic equipment such as AV, OA eguipment
( ) : Typical dimensions
1 2 3 4
Internal connection diagram
1 2 1 2 3 4
Specific IC
4 3
DC input(VIN) DC output(Vo) GND Output voltage adjustment terminal (VADJ)
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Absolute Maximum Ratings
Parameter Symbol VIN VADJ Io PD1 PD2 Tj Topr Tstg Tsol PQ15RW08 Rating PQ15RW11 20 5 1.0 1.4 15 150 -20 to +80 -40 to +150 260(For 10s) PQ15RW21
(Ta=25C) Unit V V A W W C C C C
1 Input
1 Output
voltage adjustment terminal voltage Output current dissipation
2 Power
0.8 1.25 10
2.0
3 Junction
temperature Operating temperature Storage temperature Soldering temperature
1 2
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<=150C
* 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 device specification sheets before using any SHARP device. Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
Notice
4.8MAX. 15.60.5
3.20.1
29.1MAX.
3.60.2
Low Power-Loss Voltage Regulators
PQ15RW08/PQ15RW11/PQ15RW21
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Electrical Characteristics (Unless otherwise specified, conditions shall be VIN=5V, Vo=3.3V(R1=2k, R2=500), Io=0.5A)(Ta=25C)
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 -- --
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VIN=5 to 15V, Io=5mA Refer to Fig. 2 -- Tj=0 to 125C VIN=3.5V, 5 Io=0A
MIN. 3.5 3.0 -- -- 45 2.574 -- -- --
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
4 5
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 0.33F 47F
R2
3
Fig. 2 Test Circuit of Ripple Rejection
VO
1
2
0.33F
1
2
+
4
Vref
A
+
IO
R2 ei
3 4
V
RL
47F R1 2k
IO
+
V
RL
eo
A
Iq 2k
R1 V
VIN
R2 VO=Vref x 1+ ----- R1 [R1=2k,Vref Nearly=2.64V]
f=120Hz(sine ei(rms)=0.5V
wave)
IO=0.5A RR=20 log(ei(rms)/eo(rms)) VIN=5V VO=3.3V(R1=2k)
Fig. 3 Power Dissipation vs. Ambient Temperature (PQ15RW08)
20 PD1 :No heat sink PD2 :With infinite heat sink
Power dissipation PD (W)
Fig. 4 Power Dissipation vs. Ambient Temperature(PQ15RW11/21)
20
Power dissipation PD (W)
PD1 :No heat sink PD2 :With infinite heat sink PD2
15
15
10
PD2
10
5 PD1
5 PD1 0 -20
0 50 80 100 150 Ambient temperature Ta (C) Note) Oblique line portion : Overheat protection may operate in this area.
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)
100 Vo=3.3V VIN=Vo+2V
Relative output voltage (%)
PQ15RW08/PQ15RW11/PQ15RW21
Fig. 6 Overcurrent Protection Characteristics (Typical Value) (PQ15RW11)
100
Vo=3.3V
Relative output voltage (%)
80 60 40 20 0 VIN=Vo+1V VIN=Vo+5V
80 60 40 20 0 0
VIN=15V
VIN=10V
VIN=5V
0
0.5 1.0 1.5 Output current IO (A)
2.0
0.5 1.0 1.5 2.0 Output current IO (A)
2.5
Fig. 7 Overcurrent Protection Characteristics (Typical Value) (PQ15RW21)
5 4 3 2 1 0 Vi-o=0.5V Vi-o=3V Vi-o=2V Vo=3.3V Vi-o=1V
Fig. 8 Output Voltage Adjustment Characteristics
15
Output voltage VO (V)
Output voltage Vo(V)
R1=2k 10
5
0
1.0 2.0 3.0 Output current IO (A)
4.0
0 102
103 R2 ()
104
105
s
Typical Application
DC input VO R2
Vin
3
1
2
4
CO + R1 2k
Load
NOTICE
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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).
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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.
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