PQ5EV3/PQ5EV5/PQ5EV7

Transcription

1 Low Power-Loss oltage Regulators PQE/PQE/PQE7 PQE/PQE/PQE7 Large Output Current Type Low Power-Loss oltage Regulator Features Low power-loss (Dropout voltage: MAX..) Package with exposed radiation fin (Equivalent to TO-) Large output current.a: PQE, A: PQE, 7.A: PQE7 ariable output voltage (. to ) High-precision reference voltage type (Reference voltage precision: ±.%) Overcurrent, overheat protection functions Applications Personal computers Power supplies for various electronic equipment such as A or OA Absolute Maximum Ratings Parameter Symbol Rating Unit Input voltage IN 7 Dropout voltage ON/OFF control terminal voltage Output adjustment terminal voltage I-O C ADJ 7 PQE. Output current PQE IO. A PQE7 7. Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature PD PD Tj Topr Tstg Tsol (Ta= C).6 W W C to 8 C to C 6 (s) C All are open except GND and applicable terminals P D:No heat sink, P D:With infinite heat sink Overheat protection may operate at the condition T j= C to C Outline Dimensions (.) (.). MAX. ø. ±.. ±. (6.6) 6 PQE 6 ( ) : Typical dimensions.7 ±. (.7) (ø.).. - Epoxy resin (.) 8. ±.7 (Unit : mm) (.6) (.) (.) 7. ±.7. ±. Specific IC. MIN. DC input (IN) DC output (O) GND Output voltage adjustment terminal (ADJ) ON/OFF control terminal (C) DC output(o) 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

2 Low Power-Loss oltage Regulators PQE/PQE/PQE7 Electrical Characteristics (Unless otherwise specified, IN=,,O= (R=kΩ), Ta= C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Input voltage IN. 7 O 6 Output voltage Reference voltage Load regulation Line regulation Reference voltage temperature coefficient 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 ref RegL RegI TCref RR I-O C (ON) IC (ON) C (OFF) IC (OFF) Iq IO=mA to rating IN= to 7, IO=mA Tj= to C Refer to Fig. C=.7 C=. IO=A..76 Fig. Test Circuit Fig. Test Circuit for Ripple Rejection ± PQE:IO=.7A, PQE:IO=.A, PQE7:IO=.7A PQE:IO=.A, PQE:IO=A, PQE7:IO=7.A. Input voltage shall be the value when output voltage is 9% in comparison with the initial value 6 In case of opening control terminal ➄, output voltage turns on. % % % db µa ma ma IN µf O µf C A A I q R R kω ref A I O R L ei IN ~ µf R R.7 kω µf I O R L ~ eo Fig. Power dissipation PD (W) O = ref (R /R ) [R =kω, ref. =..] Power Dissipation vs. Ambient Temperature PD : With infinite heat sink PD : No heat sink.6 8 Ambient temperature Ta ( C) Note) Oblique line portion:overheat protection may operate in this area Fig. Relative output voltage (%) 8 6 Overcurrent Protection Characteristics (PQE) f=hz (sine wave) ei(rms)=. O= (R =kω) IN= I O=.A RR=log (ei(rms)/eo(rms)) I-O=.7 I-O=.7 I-O= I-O= Output current IO (A)

3 Low Power-Loss oltage Regulators Fig. Relative output voltage (%) Fig.7 Reference voltage fluctuation ref (m) Fig Overcurrent Protection Characteristics (PQE) I-O=.7 I-O=.7 I-O= I-O= Output current IO (A) Reference oltage Fluctuation vs. Junction Temperature IN= IO= O= 8 7 PQE PQE7 PQE Output oltage vs. Input oltage (PQE) R=kΩ R=.8kΩ Fig.6 Relative output voltage (%) Fig.8 Output voltage O () 8 6 PQE/PQE/PQE7 Overcurrent Protection Characteristics (PQE7) I-O=.7 I-O=.7 I-O= I-O= Output current IO (A) Output oltage vs. Input oltage (PQE) RL=.7Ω RL=.8Ω R=kΩ R=.8kΩ 6 7 Input voltage IN () Fig. Output oltage vs. Input oltage (PQE7) R=kΩ R=.8kΩ Output voltage O () RL=.Ω RL=.6Ω Output voltage O () RL=.Ω RL=.8Ω 6 7 Input voltage IN () 6 7 Input voltage IN ()

4 Low Power-Loss oltage Regulators Fig. Circuit Operating Current vs. Input oltage (PQE) 6 R=kΩ R=.8kΩ (O=) Circuit operating current IBIAS (ma) 8 6 RL=.8Ω RL=.7Ω 6 7 Input voltage IN () Fig. Circuit Operating Current vs. Input oltage (PQE7) 6 R=kΩ R=.8kΩ (O=) RL=.Ω RL=.8Ω 8 Circuit operating current IBIAS (ma) Input voltage IN () Fig. ON-OFF Threshold oltage vs. Junction Temperature IN=.8 IO=.6 PQE O= ON/OFF threshold voltage () PQE7 PQE. 6 8 PQE/PQE/PQE7 Fig. Circuit Operating Current vs. Input oltage (PQE) 6 R=kΩ R=.8kΩ (O=) Circuit operating current IBIAS (ma) 8 6 RL=.6Ω RL=.Ω 6 7 Input voltage IN () Fig. Dropout oltage vs. Junction Temperature. Dropout voltage I-O () PQE7 : IO=7.A PQE : IO=.A PQE : IO=.A. IN=. O= 6 8 Fig.6 Quiescent Current vs. Junctiion Temperature IN=. IO= O= O=. Quiescent current Iq(mA).. PQE7 PQE PQE. 6 8

5 Low Power-Loss oltage Regulators Fig.7 Ripple Rejection vs. Input Ripple Frequency 8 PQE 7 PQE 6 Ripple rejection RR (db) PQE7 ei(rms)=. OUT= IO=. COUT=µF CIN= IN=. Input ripple frequency f (khz) Fig.9 External Connection PQE/PQE/PQE7 Fig.8 Output oltage Adjustment Characteristics. R=kΩ.... Output voltage O () R (Ω) IN O R C IN R C O Load C-MOS or TTL Setting of Output oltage Output voltage is able to set (. to ) when resistors R, R are attached to ➁, ➂, ➃ terminals. As for the external resistors to set output voltage, refer to the following figure and Fig.8. O R R ref O= ref (R /R ) [R =kω, ref. =..]

6 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 --- arious 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.