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| Chopper Regulators PQ1CG38M2FZ/PQ1CG38M2RZ PQ1CG38M2FZ/PQ1CG38M2RZ TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit I G Features I Outline Dimensions 3.60.2 10.2MAX. (1.5) (6.8) 4.50.2 (Unit : mm) Maximum switching current: 0.8A 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, overcurrent protection functions G TO-220 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] G PQ1CG38M2FZ: Zigzag forming PQ1CG38M2RZ: Self-stand forming PQ1CG38M2FZ 2.80.2 7.40.2 o3.20.1 PQ1CG38M (24.6) Epoxy resin (0.5) 5-0.80.1 (2.0) (5.0) 8.2 0.7 1 2 (1.5) 4.4MIN. 3.20.5 ( VIN VOUT 3 COM 4 Oadj 5 ON/OFF ) : Typical dimensions 4-(1.7) I G G Applications 1 2 3 4 5 3.60.2 (1.5) Color TV Digital OA equipment G Facsimiles, printers and other OA equipment G Personal computers and amusement equipment PQ1CG38M2RZ 10.2 MAX. 4.50.2 2.80.2 (6.8) I 1 Absolute Maximum Ratings Parameter Symbol Rating Input voltage VIN 40 Error input voltage Vadj 7 Input-output voltage VI-O 41 Output-COM voltage VOUT -1 ON/OFF control voltage VC -0.3 to +40 0.8 Switching current ISW PD1 1.4 Power dissipation PD2 14 Tj Junction temperature 150 Operating temperature Topr -20 to +80 Storage temperature Tstg -40 to +150 Soldering temperature Tsol 260 (10s) 2 3 4 5 (Ta=25C) Unit V V V V V A W W C C C C 7.40.2 o3.20.1 PQ1CG38M 5.00.5 (2.2) (24.6) Epoxy resin (1.7) 0.80.1 (0.5) 4-(1.7) 4.70.6 4.70.6 2.60.5 1 2 3 4 1 2 3 4 5 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 PD1:No heat sink, PD2:With infinite heat sink 5 Overheat protection may operate at Tj=125C to 150C VIN VOUT COM Oadj ON/OFF ( ) : Typical dimensions *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/ (3.6) 6.00.5 (11.4) 16.40.7 Chopper Regulators PQ1CG38M2FZ/PQ1CG38M2RZ I (Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, ON-OFF terminals is open, Ta=25C) Parameter Symbol Conditions MIN. TYP. MAX. Unit Output saturation voltage ISW=0.5A VSAT - 0.95 1.5 V Vref Reference voltage 1.235 1.26 1.285 - V Vref Reference voltage temperature fluctuation Tj=0 to 125C - - 0.5 % |RegL| Load regulation IO=0.2 to 0.5A - 0.2 1.5 % |RegI| Line regulation VIN=8 to 35V - 1 2.5 % Efficiency IO=0.5A - - 80 % fO Oscillation frequency - 330 300 270 kHz Oscillation frequency temperature fluctuation Tj=0 to 125C - - 3 fO % - Overcurrent detecting level 1.6 1.2 0.85 A IL 2 , 4 terminals is open, 5 terminal Charge current -10 - - A ICHG 1.3 - - VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal V Input threshold voltage 2.1 - - VTHH Duty ratio=100%, 4 terminal=1.1V, 5 terminal V 4 terminal=0V, 5 terminal ON threshold voltage 0.7 0.8 0.9 V VTH(ON) Stand-by current VIN=40V, 5 terminal=0V ISD - 120 400 A Output OFF-state dissipation current VIN=40V, 4 terminal=0V, 5 terminal=0.9V - 5 10 mA IQS Electrical Characteristics Fig.1 Test Circuit 4 1 ISD IQS PQ1CG38M2 5 + VIN 3 CIN 100F A ICHG D R1 1k CO 470F R2 + Load 2 L 65H IO VO A L : HK-14S100-2110 (made by Toho Co.) D : ERC80-004 (made by Fuji electronics Co.) Fig.2 Power Dissipation vs. Ambient Temperature 20 Fig.3 Overcurrent Protection Characteristics (Typical Value) 6 5 Output voltage VO (V) Ta=25C VIN=12V VO=5V Power dissipation PD (W) 15 PD2 : With infinite heat sink 4 3 2 1 0 0 0.5 1 1.5 Output current IO (A) 2 10 5 PD1 : No heat sink 0 20 40 60 80 100 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area 0 -20 Chopper Regulators Fig.4 Efficiency vs. Input Voltage 100 Tj=25C 90 PQ1CG38M2FZ/PQ1CG38M2RZ Fig.5 Output Saturation Voltage vs. Switching Current 1.6 Output saturation voltage VSAT (V) Tj=25C 1.4 1.2 1 0.8 0.6 0.4 0.2 0 40 Efficiency (%) 80 70 60 50 40 0 VO=5V,IO=0.1A VO=5V,IO=0.5A VO=12V,IO=0.1A VO=12V,IO=0.5A 10 20 30 Input voltage VIN (V) 0 0.2 0.4 0.6 0.8 Switching current ISW (A) 1 Fig.6 Stand-by Current vs. Intput Voltage 250 Tj=25C Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 2 Reference voltage fluctuation (%) 1.5 1 0.5 0 -0.5 -1 -1.5 -2 -25 VIN=12V VO=5V Stand-by current ISD (A) 200 150 100 50 0 0 5 10 15 20 25 30 Intput voltage VIN (V) 35 40 25 50 75 100 0 Junction temperature Tj (C) 125 Fig.8 Load Regulation vs. Output Current 1 Tj=25C VIN=12V VO=5V 0.5 Fig.9 Line Regulation vs. Input Voltage 1.5 Tj=25C VO=5V IO=0.2A Load regulation RegL (%) Line regulation Reg I (%) 1 0.5 0 0 -0.5 0 0.1 0.2 0.3 0.4 0.5 Output current IO (A) 0.6 -0.5 0 10 20 30 Input voltage VIN (V) 40 Chopper Regulators Fig.10 Oscillation Frequency Fluctuation vs. Junction Temperature 10 PQ1CG38M2FZ/PQ1CG38M2RZ Fig.11 Overcurrent Detecting Level Fluctuation vs. Junction Temperature Overcurrent detecting level fluctuation (%) 6 4 2 0 -2 -4 -6 -8 -25 0 25 50 75 100 Junction temperature Tj (C) 125 Oscillation frequency fluctuation (%) 8 6 4 2 0 -2 -4 -6 -8 -10 -25 VIN=12V VO=5V 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.12 Threshold Voltage vs. Junction Temperature Threshold voltage VTH(ON), VTH(L), VTH(H)(V) Fig.13 Operating Dissipation Current vs. Input Voltage 12 3 2.5 2 1.5 1 0.5 0 -25 VTH(ON) 0 25 50 75 100 Junction temperature Tj (C) 125 VTH(L) Operating dissipation current IQ' (mA) VIN=12V VTH(H) 10 8 6 IO=0.1A 4 2 0 0 No load IO=0.5A Tj=25C VO=5V 10 20 30 Input voltage VIN (V) 40 Fig.14 Block Diagram 1 VIN 2 VOUT Voltage regulator ON/OFF circuit 5 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 Chopper Regulators Fig.15 Step Down Type Circuit Diagram PQ1CG38M2FZ/PQ1CG38M2RZ 4 1 PQ1CG38M2 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.16 Polarity Inversion Type Circuit Diagram 4 1 PQ1CG38M2 5 + VIN 5 to 30V 3 CIN 100F CS RS D 2 L 65H R2 3k + Load CO 2 200F R1 1k VO -5V ON/OFF control signal RS50k NOTICE 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. 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 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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