Under development New product PQ1CG21H2FZ PQ1CG21H2RZ Chopper Regulator TO-220 Type Chopper Regulator Outline Dimensions General Description (Unit: mm) PQ1CG21H2FZ Sharp's chopper regulator PQ1CG21H2FZ/PQ1CG21H2RZ of TO-220 package uses PWM method. It is suitable for the applications of large voltage difference between input and output and applications of negative power supply thank to its low heat loss. 4.5±0.2 φ3.2±0.1 10.2 MAX 16.4±0.7 (24.6) 7.4±0.2 2.8±0.2 (2.0) (0.5) (1.5) 5−0.8±0.1 4.4 MIN Features 5.0±0.5 PQ1CG21H (1) Maximum switching current: 1.5 A (2) Built-in ON/OFF control function (3) Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF controll sequence. (4) Built-in oscillation circuit (Oscillation frequency : TYP. 100 kHz) (5) Built-in overheat/overcurrent protection function (6) TO-220 package (7) Variable output voltage (Output variable range : 1.26 to 35 V/-1.26 to -30 V) [Possible to choose step-down output/inversing output according to external connection circuit] (8) PQ1CG21H2FZ : Zigzag forming PQ1CG21H2RZ : Self-stand forming (5.0) 4−(1.7) 3.2±0.5 8.2±0.7 The dimension in ( ) indicates the reference dimensions. Terminal No. 1 2 3 4 5 1 2 3 4 5 PQ1CG21H2RZ VIN VOUT COM Oadj ON/OFF 4.5±0.2 φ3.2±0.1 10.2 MAX (11.4) PQ1CG21H Applications 6.0±0.5 (2.2) (24.6) 7,4±0.2 2.8±0.2 (1.5) (3.6) 5−0.8±0.1 (1) Switching power supplies (2) Facsimiles, printers and other OA equipment (3) Color TVs and video CDs (4) Personal computers and amusement equipment 4.7±0.6 4−(1.7) 4.7±0.6 2.6±0.5 The dimension in ( ) indicates the reference dimensions. Terminal No. 1 2 3 4 5 1 2 3 4 5 VIN VOUT COM Oadj ON/OFF (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. • Specifications are subject to change without notice for improvement. (Internet) • Data for Sharp's optoelectronic/power devices is provided on internet. ( Address http://www.sharp.co.jp/ecg/) Tec. PW990302-A 76 PQ1CG21H2FZ PQ1CG21H2RZ Chopper Regulator Absolute Maximum Ratings Parameter *1 Input voltage Output adjustment terminal voltage Dropout voltage *2 Output-COM voltage *3 ON/OFF control voltage Switching current *4 Power disspation (Ta=25˚C) Symbol VIN Vadj VI-O Vout Vc Isw Pd1 Pd2 Tj Topr Tstg Tsol *5 Junction temperature Operating temperature Storage temperature Soldering temperature *1 Voltage between V and COM *2 Voltage between Vout and COM *3 Voltage between ON/OFF and COM *4 P: No heat sink P: With infinite heat sink. *5 Overheat protector may operate for Tj=125 to 150˚C. Rating 40 7 41 −1 −0.3 to 40 1.5 1.4 14 150 −20 to +80 −40 to +150 260(For 10s) Unit V V V V V A W W ˚C ˚C ˚C ˚C Electrical Characteristics (Vin=12 V, Io=0.5 A, Terminal No. 5 open and Ta=25˚C unless otherwise specified) Parameter Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load requlation Line requlation Efficiency Oscillation frequency Oscillation frequency temperature fluctuation Overcurrent detection level Charge current Input threshold voltage ON threshold voltage Standby current Output OFF-state consumption current Symbol Vsat Vref ∆Vref RegL RegI η fo ∆fo IL ICHG VTHL VTHH VTHON ISD IQS Conditions Isw=1A − Tj=0 to 125˚C Io=0.2 to 1A Vin=8 to 35V Io=1A − Tj=0 to 125˚C − Terminals 2/4 are open, Terminal 5 Duty=0% Terminal 4 = 0 V, Terminal 5 Duty=100%, Terminal 4 is open, Terminal 5 Terminal 4 = 0 V, Terminal 5 Vin=40V,Terminal 5 = 0 V=0V Vin=40V,Terminal 5 = 0 V=0.9V Step-down output circuit diagram 1 TYP. 1.0 1.26 ±0.5 0.2 0.5 84 100 ±2 2.0 −10 1.3 2.3 0.8 140 8 MAX. 1.5 1.285 − 1.5 2.5 − 120 − 2.6 − − − 0.9 400 12 PQ1CG21H2FZ/PQ1CG21H2RZ Vo 2 VIN 1 Vo 2 R1 5 Oscillation circuit GND 4 Overcurrent protective circuit Control circuit Overheat protective circuit 3 ON/OFF control R1 ON/OFF control circuit 5 ON/OFF control circuit R2 ON/OFF control Unit V V % % % % kHz % A µA V V V µA mA Inversing output circuit diagram PQ1CG21H2FZ/PQ1CG21H2RZ VIN MIN. − 1.235 − − − − 80 − 1.55 − − − 0.7 − − 4 Overcurrent protective circuit Oscillation circuit Control circuit R2 Overheat protective circuit 3 GND GND Vo=Vref✕(1+R2/R1) (Vref=1.26V) Vo=1.26V~ 35V Here, the upper limit is restricted by Vin-Vsat value. GND Vo= –Vref✕(1+R2/R1) (Vref=1.26V) Vo= –1.26V ~ –30V Here, the upper limit of the absolute value is restricted by 40V-Vi. As of March 1999 Tec. PW990302-A 77 Application Circuits 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). ●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. 115