PQ20WZ51 SHARP | Alldatasheet
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Low Power-Loss Voltage Regulators PQ20WZ51/PQ20WZ11 I Features G Low power-loss (Dropout voltage : MAX. 0.5V) G Surface mount package (equivalent to SC-63) G Variable output voltage (3.0 to 20V) G Output current (0.5A : PQ20WZ51 ) (1.0A : PQ20WZ11 ) G Reference voltage precision : ±2.5% G Built-in ON/OFF control function G Low dissipation current at OFF-state (Iqs : MAX. 5µA) G Built-in overcurrent, overheat protection functions, ASO protection circuit G Available tape-packaged products (ø330mm reel : 3 000 pcs., PQ20WZ5U/1U ) I Applications G Personal computers G CD-ROM drives G Power supplies for various OA equipment I Outline Dimensions (Unit : mm) Variable Output, General Purpose, Surface Mount Type Low Power-Loss Voltage Regulator
- Please refer to the chapter " Handling Precautions ". PQ20WZ51/PQ20WZ11 I Absolute Maximum Ratings ( ) ( ) DC output Vo ( )Vo ( )Vc GND DC input V IN1 Internal connection diagram ON/OFF control terminal Heat sink is common to terminal Output voltage adjustment terminalSpecific IC ()VADJ Model No. 0.5± 0.2 0.1 Epoxy resin 0.51.7 0.5 0.9 5.2 0.5 9.7 MAX. 5.5 0.52.5 MIN. 2.3 0.5 4 1.27 6.6 MAX. () () 1 2 3 4 5 Parameter Symbol Rating Unit VIN Vc VADJ Io PD Tj Topr Tstg Tsol V V V A W ❇ 1 ❇ 1 ❇ 1 ❇ 2 ❇ 3 ❇ 1 All are open except GND and applicable terminals. ❇ 2 Overheat protection may operate at 125<=Tj<=150˚C ❇ 3 For 10s (Ta=25˚C) Input voltage ON/OFF control terminal voltage Output adjustment terminal voltage Output current Power dissipation(with infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature PQ20WZ11PQ20WZ51 0.5 1.0 150 –20 to +80 –40 to +150 260 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 PQ20WZ51/PQ20WZ11 I Electrical Characteristics Fig. 1 Test Circuit Fig. 2 Test Circuit for Ripple Rejection Fig. 4 Overcurrent Protection Characteristics (Typical Value) (PQ20WZ51) Fig. 3 Power Dissipation vs. Ambient Temperature Parameter Symbol Conditions VIN Vo RegL RegI RR Vref VcVref Vi-o Iq Vc(ON) Ic(ON) Vc(OFF) Ic(OFF) Iqs Unit MAX. TYP. MIN. 3.5 3.0 2.574 2.0 ❇ 5 VIN=4 to 10V, Io=5mA Refer to Fig. 2 ❇ 4 Tj=0 to 125˚C, Io=5mA ❇ 4, 6 Io=0A Io=0A Io=0A, Vc=0.4V Io=0A, Vc=0.4V 2.64 ±1.0 2.0 2.5 2.706 0.5 200 0.8 2.0 5.0 ❇ 4 PQ20WZ51 :Io=0.3A, PQ20WZ11 :Io=0.5A ❇ 5 PQ20WZ51 :Io=5mA to 0.5A, PQ20WZ11 :Io=5mA to 1.0A ❇ 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 , output voltage turns off. (Unless otherwise specified, conditions shall be VIN=5V, Vo=3.3V,❇ 4,R1=2kΩ , R2=500Ω , Vc=2.7V, Ta=25˚C) V V dB V V mA V µA V µA µA 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 –20 0 PD PD:With infinite heat sink 80 50 100 150 Power dissipation PD (W) Ambient temperature Ta (˚C) 0 0.5 1.0 1.5 2.0 Output voltage VO (V) Output current IO (A) Vi–O =2V Vi–O =3V Vi–O =0.5V VO=3.3V Vi–O =1V AA V V A VIN VC Iq Vref IC 2kΩ IO VO RL 47µF0.33µF [R1=2kΩ ,Vref Nearly =2.64V] VC 47µF VIN ei 2.7V eo 2kΩ IO RL 0.33µF f=120Hz(sine wave) e i(rms)=0.5V IO=0.3A RR=20 log(ei(rms)/eo(rms)) VIN=5V VO=3.3V(R1=2kΩ ) 5 V Note) Oblique line portion : Overheat protection may operate in this area.
Low Power-Loss Voltage Regulators PQ20WZ51/PQ20WZ11 Fig. 5 Overcurrent Protection Characteristics (Typical Value) (PQ20WZ11) Fig. 6 Output Voltage Adjustment Characteristics 0 0.5 1.0 1.5 2.0 Output voltage VO (V) Output current IO (A) Vi–O =2V Vi–O =3V Vi–O =0.5V VO=3.3V Vi–O =1V R2 (kΩ ) Output voltage VO (V) 0.1 1 100 10 R1=2kΩ Fig. 7 Reference Voltage Deviation vs. Junction Temperature (Typical Value) Fig. 8 Output Voltage vs. Input Voltage (PQ20WZ51) Fig. 9 Output Voltage vs. Input Voltage (PQ20WZ11) Fig.10 Dropout Voltage vs. Junction Temperature (PQ20WZ51) 0 25 50 75 100 125 –15 –20 –25 –10 VIN=7V VO=3.3V(R1=2kΩ ,R2=0.5kΩ ) IO=0.3A (PQ20WZ51 ) =0.5A (PQ20WZ11 ) Reference voltage deviation ∆Vref (mV) Junction temperature Tj (˚C) –25 PQ20WZ51 PQ20WZ11 Output voltage VO (V) Input voltage VIN (V) 0123 5678 4 RL=6.6Ω RL=∞Ω RL=11Ω VC=2.7V , Ci=0.33µF , C0=47µF Tj=25˚C R1=2kΩ ,R2=0.5kΩ Output voltage VO (V) Input voltage VIN (V) 0123 5678 4 RL=3.3Ω RL=∞Ω RL=6.6Ω VC=2.7V , Ci=0.33µF , C0=47µF Tj=25˚C R1=2kΩ ,R2=0.5kΩ Junction temperature Tj (˚C) Dropout voltage Vi–O (V) –25 0 25 50 75 100 125 0.14 0.13 0.12 0.11 0.1 0.15 0.16 0.17 0.18 0.19 0.2 VIN=3.135V, Vc=2.7V, R1=2kΩ , R2=500Ω , IO=0.3A
Low Power-Loss Voltage Regulators PQ20WZ51/PQ20WZ11 Fig.11 Dropout Voltage vs. Junction Temperature (PQ20WZ11) Fig.12 Quiescent Current vs. Junction Temperature Fig.13 Ripple Rejection vs. Input Ripple Frequency Fig.14 Ripple Rejection vs. Output Current (PQ20WZ51) Fig.15 Ripple Rejection vs. Output Current (PQ20WZ11) Junction temperature Tj (˚C) Dropout voltage Vi–O (V) –25 0 25 50 75 100 125 0.11 0.1 0.12 0.13 0.14 0.15 0.16 0.17 0.18 VIN=3.135V, Vc=2.7V, R1=2kΩ , R2=500Ω , IO=0.5A Junction temperature Tj (˚C) Quiescent current Iq (mA) 0 25 50 75 100 125–25 5 V IN=5V IO=0A VC=2.7V R1=2kΩ R2=500Ω Tj=25˚C RR=20 log(ei(rms)/eo(rms)) IO=0.3A ei(rms)=0.5V (sine wave)VIN=5V R1=2kΩ R2=0.5kΩ Ripple rejection RR (dB) Input ripple frequency f (kHz) 0.1 1 10 100 PQ20WZ11 PQ20WZ51 Tj=25˚C ei(rms)=0.5V f=120Hz (sine wave) V IN=5V R1=2kΩ R2=0.5kΩ Output current IO (A) Ripple rejection RR (dB) Tj=25˚C ei(rms)=0.5V f=120Hz (sine wave) V IN=5V R1=2kΩ R2=0.5kΩ Output current IO (A) Ripple rejection RR (dB) Fig.16 Circuit Operating Current vs. Input Voltage (PQ20WZ51) 0123456 Circuit operating current IBIAS (mA) Input voltage VIN (V) RL =6.6Ω RL =11Ω RL =∞Ω Vc=2.7V, R 1=2kΩ , R2=500Ω (Vo=3.3V)
Low Power-Loss Voltage Regulators PQ20WZ51/PQ20WZ11 Fig.17 Circuit Operating Current vs. Input Voltage (PQ20WZ11) 0123456 78 Circuit operating current IBIAS (mA) Input voltage VIN (V) RL =3.3Ω RL =6.6Ω RL =∞Ω Vc=2.7V, R 1=2kΩ , R2=500Ω (Vo=3.3V) I Typical Application 2kΩ VO CO DC input Cin ON/OFF signal High : Output ON Low or Open : Output OFF R1VIN Load I Model Line-ups for Tape-packaged Products PQ20WZ11 PQ20WZ1U 0.5A output Output current Sleeve-packaged products High-precision output type Tape-packaged products High-precision output type PQ20WZ51 1.0A output PQ20WZ5U Fig.18 Power Dissipation vs. Ambient Temperature Cu area 740mm Cu area 180mm2 Cu area 100mm2 Cu area 70mm2 Cu area 36mm2 Power dissipation PD (W) Ambient temperature Ta (˚C) –20 0 20 40 60 80 100 PWB Material : Glass-cloth epoxy resin Size : 50 X 50 X 1.6mm Cu thickness : 35µm PWB Cu
G 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. G 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. G 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). G 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. G 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. G 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. G Contact and consult with a SHARP representative if there are any questions about the contents of this publication.