39.0MAX. (Ta=25 C) VIN to to (For 10s) PD1 PD2. Topr Tstg Tsol

Size: px

Start display at page:

Download "39.0MAX. (Ta=25 C) VIN to to (For 10s) PD1 PD2. Topr Tstg Tsol"

Angela Jackson
5 years ago
Views:

1 Low PowerLoss oltage Regulators PQ7D1 PQ7D1 ariable Output, (1. to 7) 1 Output Low Powerloss oltage Regulator Feature 1 output type Low powerloss (Dropout voltage : MX.. at Io= 1) ariable output type (1. to 7) Low operating voltage (Minimum input voltage :.) Highprecision reference voltage type (Reference voltage precision : ±.%) TOP package Builtin ON/OFF control function Builtin overcurrent protection, overheat protection function Outline Dimensions 17.MX PQ7D1 ±. 9.MX 19±..7MX 17.MIN 6.±..±. (1.) (Unit : mm) pplications Power supplies for various electronic equipment such as personal computers (.) 1.8±. (.6) PNP Tr chip 1 6 IC chip Reference voltage Controller Comparator 1 DC input (IN),6 DC output (O) GND ON/OFF control terminal (C) Output voltage adjustment terminal (DJ) bsolute Maximum Ratings * Parameter Symbol Rating Unit Input voltage ON/OFF control terminal voltage Output adjustment terminal voltage Output current Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature IN C DJ PD1 PD Tj Topr Tstg Tsol to 8 to 1 6 (For 1s) W W ll are open except GND and applicable terminals. * Overheat protection may operate at 1<=Tj<=1. (Ta=) In the absence of confirmation by device specification sheets,shrp takes no responsibility for any defects that may occur in equipment using any SHRP devices shown in catalogs,data books,etc.contact SHRP in order to obtain the latest version of the device specification sheets before using any SHRP's device.

2 Low PowerLoss oltage Regulators PQ7D1 Electrical Characteristics (Unless otherwise specified, conditions shall be IN=, Io=, o=(=kω) Ta=) Parameter Symbol Conditions NIN. TYP. MX. Unit Input voltage Reference voltage Reference voltage Load regulation Line regulation coefficient of output voltage Ripple rejection Dropout voltage * ONstate voltage for control ONstate current for control OFFstate voltage for control OFFstate current for control Quiescent current IN O ref RegL RegI TCO RR io C (ON) IC (ON) C (OFF) IC (OFF) Iq =m to 1 IN= to 1 Tj= to 1 IN=, Io=1 C=.7 C=. = ± % % %/ db µ m m * In case of opening control terminal,output voltage turns on. Fig.1 Test Circuit Fig. Test Circuit for Ripple Rejection IN.µF 7µF O.µF 7µF C Ic Iq kω R ref RL ~ ei IN C.7 R ref kω RL ~ eo o=ref X (1R/) =1. X (1R/) [=kω,ref =1.] f=1hz (sine wave) ei=.rms IN= O= (=kω) =. RR= log (ei/eo) Fig. 6 Power Dissipation vs. mbient PD Fig. 1 Overcurrent Protection Characteristics(Typical alue) Power dissipation PD (W) 1 PD1 :No heat sink PD :With infinite heat sink PD1 6 8 mbient temperature Ta () Note) Oblique line portion:overheat protection may operate in this area. Relative output voltage (%) Output current ()

3 Low PowerLoss oltage Regulators Fig. Output voltage O () Output oltage djustment Characteristics =kω R (Ω) Fig.6 Output oltage Deviation vs. Junction 1 8 IN= O=(=kΩ,R=.8kΩ) 6 =. Output voltage deviation O (m) PQ7D1 Fig.7 Output voltage O () 1 Output oltage vs. Input oltage Ta = O=(=kΩ,R=.8kΩ) RL=.6Ω RL= RL=.Ω 1 Input voltage IN () Fig.8 Circuit operating current IBIS (m) Circuit Operating Current vs. Input oltage Ta = O=(=kΩ,R=.8kΩ) RL=.Ω RL=.6Ω RL= 1 Input voltage IN () Fig.9 Dropout voltage io () Dropout oltage vs. Junction O=(=kΩ,R=.8kΩ) IN :Input voltage when output voltage is 9% in comparison with the initial value Fig.1 Ripple Rejection vs. Junction 1 Ripple rejection RR (db) 8 6 IN=7 O=(=kΩ,R=.8kΩ) =.,ei=.rms f=1hz 7 1 1

4 Low PowerLoss oltage Regulators Fig.11 Quiescent Current vs. Junction IN = O=(=kΩ,R=.8kΩ) = 1 Quiescent current Iq (m) PQ7D1 Fig.1 Ripple Rejection vs. Input Ripple Frequency 1 Ripple rejection RR (db) 8 6 IN= O=(=kΩ,R=.8kΩ) Io=.,ei=.rms, Ta = Input ripple frequency f (khz) Typical pplication IN O CIN R kω CO Load ON/OFF Signal High or Open Low :Output ON :Output OFF

5 pplication Circuits NOTICE The circuit application examples in this publication are provided to explain representative applications of SHRP devices and are not intended to guarantee any circuit design or license any intellectual property rights. SHRP takes no responsibility for any problems related to any intellectual property right of a third party resulting from the use of SHRP's devices. Contact SHRP in order to obtain the latest device specification sheets before using any SHRP device. SHRP 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. SHRP 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 udio visual equipment Consumer electronics (ii)measures such as failsafe function and redundant design should be taken to ensure reliability and safety when SHRP 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 larm equipment arious safety devices, etc. (iii)shrp 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 SHRP representative in advance when intending to use SHRP devices for any "specific" applications other than those recommended by SHRP or when it is unclear which category mentioned above controls the intended use. If the SHRP 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 SHRP devices. This publication is the proprietary product of SHRP 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 SHRP. Express written permission is also required before any use of this publication may be made by a third party. Contact and consult with a SHRP representative if there are any questions about the contents of this publication. 11

Low Power-Loss Voltage Regulators. (Ta=25 C) V V ma mw C C C C

Low Power-Loss Voltage Regulators. (Ta=25 C) V V ma mw C C C C Low Power-Loss oltage Regulators PQR Series PQR Series Low Output Current, Compact Surface Mount Type Low Power-Loss oltage Regulators Features Compact surface mount package(. x 2.2 x.2mm) Low power-loss