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| Low Power-Loss Voltage Regulators PQ20RX05/PQ20RX11 PQ20RX05/PQ20RX11 Variable Output Type Low Power-Loss Voltage Regulator with ON/OFF Control Function s q Features s Outline Dimensions 10.2MAX 4.5 (Unit : mm) Low power-loss (Dropout voltage: MAX. 0.5V) q Compact resin full mold package (Equivalent to TO-220) q With built-in ON/OFF control function q Variable output voltage (setting range: 3.0 to 20V) q 0.5A output (PQ20RX05) 1.0A output (PQ20RX11) q Reference voltage precision: 2.5% q With built-in overcurrent protection, overheat protection, ASO protection circuit ASO: Area of Safety Operation 2.8 7.4 0.2 3.2 0.1 PQ20RX11 Epoxy resin (1.5 ) 0.8 4 -( 1.7 ) (5.0 ) 3.2 0.5 8.2 0.7 s q Applications Power supplies for various electronic equipment such as AV, OA equipment q CRT displays 1 23 4 5 Internal connection diagram 1 3 1 2 3 4 5 Specific IC 2 5 4 DC input (VIN ) ON/OFF control terminal( Vc ) DC output ( Vo ) Output voltage adjustment terminal( VADJ ) GND s Absolute Maximum Ratings Symbol VIN Vc VADJ Io PD1 PD2 Tj Topr Tstg Tsol Rating 24 24 7 0.5 1 1.5(PQ20RX11),1.25(PQ20RX05) 15(PQ20RX11),10(PQ20RX05) 150 -20 to +80 -40 to +150 260(for 10s) (Ta=25C) Unit V V V A W C C C C Parameter 1 Input voltage 1 ON/OFF control terminal voltage 1 Output adjustment terminal voltage PQ20RX05 Output current PQ20RX11 2 3 Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature 1 2 3 All are open except GND and applicable terminals. PD1: No heat sink, PD2: With infinite heat sink 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 4.4MIN 5.0 0.5 ( 0.5 ) 16.4 0.7 (24.6) Low Power-Loss Voltage Regulators PQ20RX05/PQ20RX11 s Electrical Characteristics (Unless otherwise specified, VIN=5V, VO=3.3V, 4, R1=2k, R2=500, VC=2.7V, Ta=25C) Symbol VIN VO RegL RegI RR Vref TCVref Vi-O Iq VC(ON) IC(ON) VC(OFF) IC(OFF) Iqs Conditions -- -- 5 Parameter Input voltage Output voltage Load regulation Line regulation Ripple rejection Reference voltage Temperature coefficient of reference voltage Dropout voltage Quiescent current 7 ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Output OFF-state consumption current 4 5 6 VIN=4 to 10V, Io=5mA Refer to Fig. 2 -- Tj=0 to 125C, Io=5mA 4,6 Io=0A -- -- Io=0A Io=0A, Vc=0.4V Vc=0.4V MIN. 3.5 3.0 -- -- 45 2.574 -- -- -- 2.0 -- -- -- -- TYP. -- -- -- -- -- 2.64 1.0 -- -- -- -- -- -- -- MAX. 24 20 2.0 2.5 -- 2.706 -- 0.5 8 -- 200 0.8 2.0 5.0 Unit V V % % dB V % V mA V A V A A PQ20RX05: IO=0.3A, PQ20RX11: IO=0.5A PQ20RX05: IO=5mA to 0.5A, PQ20RX11: IO=5mA to 1.0A Input voltage shall be the value when output voltage is 95% in comparison with the initial value. 7 In case of opening ON/OFF control terminal 2 , output voltage turns off. Fig. 1 Test Circuit VIN 0.33F 47F R2 VC 2 5 4 + Fig. 2 Test Circuit of Ripple Rejection VO 1 0.33F 3 1 47F 3 + A IO R2 ei VIN 2 5 4 47F R1 2k IO + V RL V RL eo A A Iq 2k R1 V 2.7V R2 VO=Vref x 1+ ----- R1 [R1=2k,Vref Nearly=2.64V] f=120Hz(sine wave) ei(rms)=0.5V IO=0.3A RR=20 log(ei(rms)/eo(rms)) VIN=5V VO=3.3V(R1=2k) Fig. 3 Power Dissipation vs. Ambient Temperature (PQ20RX05) 20 PD1 :No heat sink PD2 :With infinite heat sink Power dissipation PD (W) Fig. 4 Power Dissipation vs. Ambient Temperature (PQ20RX11) 20 PD1 :No heat sink PD2 :With infinite heat sink Power dissipation PD (W) 15 15 PD2 10 PD2 10 5 PD1 5 PD1 0 -25 0 50 80 100 150 Ambient temperature Ta (C) Note) Oblique line portion : Overheat protection may operate in this area. 0 -20 0 50 80 100 150 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) (PQ20RX05) 4 VO=3.3V Output voltage VO (V) PQ20RX05/PQ20RX11 Fig. 6 Overcurrent Protection Characteristics (Typical Value) (PQ20RX11) 4 VO=3.3V Vi-O =0.5V Output voltage VO (V) 3 2 Vi-O =0.5V Vi-O =1V Vi-O =2V Vi-O =3V 3 Vi-O =1V Vi-O =2V 2 Vi-O =3V 1 1 0 0 0.5 1.0 1.5 Output current IO (A) 2.0 0 0 0.5 1.0 1.5 Output current IO (A) 2.0 Fig. 7 Output Voltage Adjustment Characteristics 20 R1=2k Output voltage VO (V) Fig. 8 Reference Voltage Deviation vs. Junction Temperature (Typical Value) Reference voltage deviation Vref (mV) 25 VIN=7V 20 VO=3.3V(R1=2k,R2=0.5k) 15 IO=0.3A (PQ20RX05) =0.5A (PQ20RX11) 10 5 0 -5 -10 -15 -20 -25 -25 0 25 50 75 100 Junction temperature Tj (C) 125 PQ20RX05 PQ20RX11 15 10 5 0 0.1 1 R2 (k) 10 100 Fig. 9 Output Voltage vs. Input Voltage (PQ20RX05) 8 R1=2k ,R2=0.5k VC=2.7V , Ci=0.33F , C0=47F Tj=25C Fig.10 Output Voltage vs. Input Voltage (PQ20RX11) 8 R1=2k ,R2=0.5k VC=2.7V , Ci=0.33F , C0=47F Tj=25C Output voltage VO (V) 6 5 4 3 2 1 0 0 1 2 3 4 5 6 Input voltage VIN (V) 7 8 RL= RL=11 RL=6.6 Output voltage VO (V) 7 7 6 5 4 3 2 1 0 0 1 RL= RL=6.6 RL=3.3 2 3 4 5 6 Input voltage VIN (V) 7 8 Low Power-Loss Voltage Regulators Fig.11 Dropout Voltage vs. Junction Temperature (PQ20RX05) 0.2 0.19 Dropout voltage Vi-O (V) PQ20RX05/PQ20RX11 Fig.12 Dropout Voltage vs. Junction Temperature (PQ20RX11) 0.18 0.17 Dropout voltage Vi-O (V) VIN=3.135V, Vc=2.7V, R1=2k, R2=500, Io=0.3A 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 -25 0 25 50 75 100 125 Junction temperature Tj (C) 0.16 0.15 0.14 0.13 0.12 0.11 0.1 VIN=3.135V, Vc=2.7V, R1=2k, R2=500, Io=0.5A -25 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.13 Quiescent Current vs. Junction Temperature 5 4 3 2 1 0 -25 0 25 50 75 100 Junction temperature Tj (C) 125 VIN=5V IO=0A VC=2.7V R1=2k R2=500 Fig.14 Ripple Rejection vs. Input Ripple Frequency 80 75 Quiescent current Iq (mA) Ripple rejection RR (dB) 70 65 60 55 50 PQ20RX05 PQ20RX11 Tj=25C IO=0.3A 45 VIN=5V ei(rms)=0.5V(sine wave) R1=2k RR=20 log(ei(rms)/eo(rms)) 40 R2=0.5k 0.1 1 10 100 Input ripple frequency f (kHz) Fig.15 Ripple Rejection vs. Output Current (PQ20RX05) 80 75 70 65 60 55 50 45 40 Tj=25C VIN=5V R1=2k R2=0.5k ei(rms)=0.5V f=120Hz (sine wave) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Output current IO (A) Fig.16 Ripple Rejection vs. Output Current (PQ20RX11) 80 Ripple rejection RR (dB) Ripple rejection RR (dB) 75 70 65 60 55 50 45 40 Tj=25C VIN=5V R1=2k R2=0.5k ei(rms)=0.5V f=120Hz (sine wave) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Output current IO (A) Low Power-Loss Voltage Regulators Fig.17 Circuit Operating Current vs. Input Voltage (PQ20RX05) 20 Circuit operating current IBIAS (mA) PQ20RX05/PQ20RX11 Fig.18 Circuit Operating Current vs. Input Voltage (PQ20RX11) 30 Circuit operating current IBIAS (mA) Vc=2.7V, R1=2k, R2=500 (Vo=3.3V) 25 20 15 Vc=2.7V, R1=2k, R2=500 (Vo=3.3V) RL =3.3 15 RL =6.6 10 RL =11 5 RL = 0 0 1 2 3 4 5 Input voltage VIN (V) 6 RL =6.6 10 5 0 RL = 0 1 2 3 4 5 6 Input voltage VIN (V) 7 8 s Typical Application DC input Cin 1 3 VO R2 2 VIN 5 4 CO + R1 2k Load ON/OFF signal High : Output ON Low or Open : Output OFF NOTICE q 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). q q q 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. q q q |
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