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| Chopper Regulators PQ1CZ41H2Z www..com PQ1CZ41H2Z TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit I G Features I Outline Dimensions (Unit : mm) 2.5 Maximum switching current: 1.5A G Built-in ON/OFF control function G Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence G Built-in oscillation circuit (Oscillation frequency: TYP. 300kHz) G Built-in overheat protection function, overcurrent protection function G SC-63 Surface Mount Type package G Variable output voltage (Output variable range: Vref to 35V/-Vref to -30V) [Possible to select step-down output/inversing output according to external connection circuit] ( ) : Typical dimensions 6.6 5.2 MAX. 2.3 0.5 (0.5) 3 Epoxy resin 0.5 5.5 0.5 9.7 MAX. 1CZ41H (1.7) MIN. (0 to 0.25) 0.5 +0.2 - 0.1 4-(1.27) (0.5) I G Applications 1 Color TV,STB G LCD monitors G Facsimiles,plinters and other OA equipment G CD-ROM drives/DVD-ROM drives G Air conditioners 1 2 3 4 5 2 3 4 5 VIN VOUT GND (Common to heat sink) Oadj ON/OFF control terminal (VC) I 1 Absolute Maximum Ratings Symbol Parameter VIN Input voltage Vadj Error input voltage VI-O Input-output voltage ISW Switching current VOUT Voltage between output and COM VC ON/OFF control voltage PD Power dissipation Tj Junction temperature Topr Operating temperature Tstg Storage temperature Tsol Soldering temperature (Ta=25C) Rating Unit 40 7 41 1.5 -1 -0.3 to 40 8 150 -20 to +80 -40 to +150 260 (10s) V V V A V V W C C C C 2 3 4 5 1 Voltage between VIN terminal and COM terminal 2 Voltage between VOUT terminal and COM terminal 3 Voltage between ON/OFF control and COM terminal 4 PD : With infinite heat sink. 5 Overheat protection may operate at Tj=125C to 150C *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 http://sharp-world.com/ecg/ (0.9) Chopper Regulators PQ1CZ41H2Z (Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25C) I Electrical Characteristics Parameter Symbol Conditions MIN. TYP. MAX. Unit www..com ISW=1A VSAT - 0.9 1.5 V Output saturation voltage Vref 1.235 1.26 1.285 - V Reference voltage Vref Tj=0 to 125C - - 0.5 % Reference voltage temperature fluctuation |RegL| IO=0.2 to 1A - 0.2 1.5 % Load regulation |RegI| VIN=8 to 35V - 1.2 2.5 % Line regulation IO=1A - - 84 % Efficiency fO - 330 270 300 kHz Oscillation frequency Tj=0 to 125C - - fO 3 Oscillation frequency temperature fluctuation % - 2.6 2.0 1.55 IL A Overcurrent detecting level 2 , 4 terminals is open, 5 terminal -10 - - A ICHG Charge current 1.3 - - VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal V Input threshold voltage 2.3 - - VTHH Duty ratio=100%, 4 terminal=1.1V, 5 terminal V 4 terminal=0V, 5 terminal 0.7 0.8 0.9 V VTH(ON) ON threshold voltage VIN=40V, 5 terminal=0V Stand-by current ISD - 140 400 A VIN=40V, 4 terminal=0V, 5 terminal=0.9V IQS - 8 12 mA Output OFF-state dissipation current Fig.1 Test Circuit 4 1 ISD IQS PQ1CZ41H2Z 5 + VIN 3 CIN 100F A ICHG D R1 1k CO 470F R2 + Load 2 L 65H IO VO A L : HK-08S070-6500 (made by Toho Co.) D :ERC80-004 (made by Fuji electronics Co.) Fig.2 Power Dissipation vs. Ambient Temperature PD : With infinite heat sink 10 Power dissipation PD (W) PD 5 0 -20 0 20 40 60 80 Ambient temperature Ta (C) 100 Note) Oblique line portion:Overheat protection may operate in this area Chopper Regulators Fig.3 Block Diagram VIN www..com Voltage regulator ON/OFF circuit 5 1 2 PQ1CZ41H2Z VOUT PWM COMP. _ Soft start ON/OFF control + Overcurrent detection circuit F/F Q R S Oscillator _ + ERROR AMP. Vref 4 Oadj Overheat detection circuit 3 COM Fig.4 Step Down Type Circuit Diagram 4 1 PQ1CZ41H2Z 5 + VIN 8 to 35V 3 CIN 100F CS RS D 2 L 65H VO 5V R2 3k + Load CO 470F R1 1k ON/OFF control signal RS50k Fig.5 Polarity Inversion Type Circuit Diagram 4 1 PQ1CZ41H2Z 5 + VIN 5 to 30V 3 CIN 100F CS RS D R1 1k VO -5V R2 3k + Load CO 2 200F 2 L 65H ON/OFF control signal RS50k NOTICE www..com 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. 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 G 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. G G |
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