Low Power-Loss Voltage Regulators 5.5 ± MAX. 2.5 MIN.

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1 PQ7XZHZ PQ7XZHZ Low Voltage Operation Low Power-loss Voltage Regulator Features Low voltage operation (Minimum operating voltage:.v) Low dissipation current Dissipation current at no load: MAX.mA Output OFF-state dissipation current: MAX.µA Low power-loss (Dropout voltage: MAX..V) Built-in overcurrent and overheat protection functions Applications Power supplies for personal computers and peripheral equipment Power supplies for various electronic equipment such as DVD player or STB Outline Dimensions 9.7 MAX.. ±.. MIN. 6.6 MAX. ±... ±. 7XZH. +.. (.7) Epoxy resin ( to.) (.) ( ) : Typical dimensions (Unit : mm) (.) (.7) (.9) Specific IC DC input (VIN) ON/OFF control terminal (VC) DC output (VO) Output voltage adjustment (VADJ) GND Absolute Maximum Ratings (Ta= C) Parameter Symbol Rating Unit Input voltage VIN V ON/OFF control terminal voltage VC V Output adjustment terminal voltage VADJ V Output current IO. A Power dissipation PD 8 W Junction temperature Tj C Operating temperature Topr to +8 C Storage temperature Tstg to + C Soldering temperature Tsol 6 (s) C All are open except GND and applicable terminals P D :With infinite heat sink Overheat protection may operate at T j = C to C 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 PQ7XZHZ Electrical Characteristics Parameter Input voltage Output voltage Load regulation Line regulation Ripple rejection Dropout voltage Reference voltage coefficient of reference voltage ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current Output OFF-state dissipation current In case of opening control terminal (Unless otherwise specified, condition shall be VIN=V, VO=V(R=kΩ), IO=.A, VC=.7V, Ta= C) Symbol Conditions MIN. TYP. MAX. Unit, output voltage turns off. VIN VO RegL RegI RR VI-O Vref TCVref VC (ON) IC (ON) VC (OFF) IC (OFF) IO=mA to.a VIN= to 8V, IO=mA Refer to Fig. VIN=.V, IO=.A Tj= to C, IO=mA IO=A IO=A, VC=.V. V. 7 V.. 6 % % db V...7 V ±. % V µa Iq IO=A ma Iqs VC=.V µa.8 V µa Fig. Test Circuit V IN V O R V C V ref + I.µF A C 7µF A I R V q kω A I O R L V Fig. Test Circuit for Ripple Rejection V O=V ref (+R /R ) [R =kω, V ref. =..V] + ei ~ R I O.µF V C V ref + 7µF V ~ eo V IN.7V R kω R L f=hz(sine wave) ei(rms)=.v V O=V(R =kω) V IN=V I O=.A RR=log(ei(rms)/eo(rms))

3 PQ7XZHZ Fig. Power dissipation PD (W) 8 Power Dissipation vs. Ambient PD : With infinite heat sink Fig.. Output voltage VO (V).. Overcurrent Protection Characteristics VIN=V VIN=7V VIN=.V VIN=.V VIN=V 6 8 Ambient temperature Ta ( C) Note) Oblique line portion:overheat protection may operate in this area. Fig. Reference Voltage vs. Junction.6 Reference voltage Vref (V)..... VIN=V VC=.7V IO=.V R=kΩ R=.kΩ. 7 Junction temperature Tj ( C) Fig.7 Circuit operating current IBIAS (ma) Circuit Operating Current vs. Input Voltage VC=.7V Ta=Room temp. R=kΩ R=.kΩ (VO=V) CIN=.µF CO=7µF RL=Ω (IO=.A) RL=Ω (IO=.7.A) RL= Ω (IO=A) Input voltage VIN (V) Dropout voltage VI-O (V) Fig.6 Output voltage VO (V)... Output current IO (A). Fig.8 Output Voltage vs. Input Voltage RL= Ω (IO=A) RL=Ω (IO=.7A). RL=Ω (IO=.A) VC=.7V. Ta=Room temp. R=kΩ R=.kΩ (VO=V). CIN=.µF CO=7µF Input voltage VIN (V) Dropout Voltage vs. Junction VIN=.V VC=.7V IO=.V R=kΩ R=.kΩ 7 Junction temperature Tj ( C)

4 PQ7XZHZ Fig.9. Quiescent Current vs. Junction Fig. Ripple Rejection vs. Input Ripple Frequency 7 Quiescent current Iq (ma)..8.6 VIN=V. VC=.7V IO=A. R=kΩ R=.kΩ 7 Junction temperature Tj ( C) Fig. Ripple Rejection vs. Output Current Ripple rejection RR (db) ei(rms)=.v VIN=V VC=.7V IO=.A CO=7µF Ta=Room temp. R=kΩ R=.kΩ (VO=V). Input ripple frequency f (khz) Ripple rejection RR (db) ei(rms)=.v f=hz VIN=V, VC=.7V CO=7µF Ta=Room temp. R=kΩ R=.kΩ (VO=V) Output current IO (A) Fig. Power Dissipation vs. Ambient (Typical Value). Cu area 7mm Power dissipation PD (W)... Cu area 8mm Cu area mm Cu area 7mm Cu area 6mm 6 8 Ambient temperature Ta ( C) PWB PWB Cu Material : Glass-cloth epoxy resin Size :.6mm Cu thickness : µm

5 PQ7XZHZ Fig. Output Voltage Adjustment Characteristics (Typical Value) Output voltage VO (V) R=kΩ Typical Application R (Ω) DC input V O R V IN C IN C O + Load R kω ON/OFF signal High:Output ON Low or open:output OFF Setting of Output Voltage Output voltage is able to set from.v to 7V when resistors R and R are attached to ➂, ➃, ➄ terminals. As for the external resistors to set output voltage, refer to the figure below and Fig.. V O R + V ref R V O =V ref (+R /R ) [R L =kω, V ref. =..V]

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 --- 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). If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign Exchange and Foreign Trade 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.