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| Low Power-Loss Voltage Regulators PQ3RF23/PQ3RF33 PQ3RF23/PQ3RF33 3.3V Output, High Output Current(2A, 3.5A)Type Low Power-loss Voltage Regulators s q Features s Outline Dimensions 10.2MAX 3.60.2 (Unit : mm) 4.50.2 2.80.2 3.3V output q High output current 2A type:PQ3RF23 3.5A type:PQ3RF33 q Compact resin full-mold package(TO-220 package) q Low power-loss(Dropout voltage:MAX. 0.5V) q High-precision output voltage type Output voltage precision:2.5% q Built-in ON/OFF control function q Built-in overcurrent protection, overheat protection function 7.40.2 29.1MAX PQ3RF23 o3.20.1 4-1.4 +0.3 -0 13.5MIN 4-0.6 +0.2 -0.1 3-(2.54) (0.5) s q Applications Power supplies for various electronic equipment such as personal computers Internal connection diagram Control circuit DC input(VIN) DC output(VO) GND ON/OFF control terminal(VC) s 1 1 Absolute Maximum Ratings Parameter Input voltage ON/OFF control terminal voltage Output current Power dissipation(No heat sink) Symbol VIN VC IO PD1 PD2 Tj Topr Tstg Tsol (Ta=25C) Rating 10 10 PQ3RF23 2 PQ3RF33 3.5 PQ3RF23 1.5 PQ3RF33 1.8 18 150 -20 to +80 -40 to +150 260(For 10s.) Unit V V A W W C C C C 2 Power dissipation(With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature 1 2 All are open except GND and applicable terminals. Overheat protection may operate at 125<=Tj<=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/ 4.8MAX 15.60.5 (1.5) Low Power-Loss Voltage Regulators PQ3RF23/PQ3RF33 s Electrical Characteristics Parameter Output voltage Load regulation PQ3RF23 PQ3RF33 (Unless otherwise specified,conditions shall be IO=1.0A[PQ3RF23]/IO=1.5A[PQ3RF33],VIN=5V,Ta=25C) Symbol VO RegL RegI TCVO RR Vi-O VC(ON) IC(ON) VC(OFF) IC(OFF) Iq Conditions - IO=5mA to 2.0A IO=5mA to 3.5A VIN=4 to 10V Tj=0 to 125C - 3, IO=2.0A 3, IO=3.0A - VC=2.7V - VC=0.4V IO=0A MIN. 3.218 - - - - 45 - - 2 - - - - TYP. 3.3 0.2 0.2 0.5 0.02 55 - - - - - - - MAX. 3.382 2 2 2.5 - - 0.5 0.5 - 20 0.8 -0.4 10 Unit V % % %/C dB V V A V mA mA Line regulation Temperature coefficient of output voltage Ripple rejection PQ3RF23 Dropout voltage PQ3RF33 4 ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current 3 4 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. In case of opening control terminal ,output voltage turns on. Fig. 1 Test Circuit Fig. 2 Test Circuit of Ripple Rejection VIN 1 2 4 3 VC 47F VO 1 2 4 + A + IO ei 3 47F + IO RL V eo A Iq IC V RL VIN 0.33F 0.33F A f=120Hz(sine wave) ei(rms)=0.5V VIN=5V IO=0.5A RR=20 log(ei(rms)/eo(rms)) Fig. 3 Power Dissipation vs. Ambient Temperature (PQ3RF23) 20 18 Power dissipation PD (W) 15 Power dissipation PD (W) PD2 10 5 1.5 0 -20 PD1 Note) 0 20 40 60 80 Ambient temperature Ta (C) Oblique line portion : Overheat protection may operate in this area. ;;; ;;; ;;; ;;; Fig. 4 Power dissipation vs. Ambient temperature (PQ3RF33) 20 18 15 PD2 10 5 1.8 0 -20 PD1 Note) 0 20 40 60 80 Ambient temperature Ta (C) Oblique line portion : Overheat protection may operate in this area. ;;; ;;; ;;; ;;; Low Power-Loss Voltage Regulators Fig. 5 Overcurrent Protection Characteristics (PQ3RF23) 4 Tj=25C VIN=3.8V 4.3V 5V 7V 10V Output voltage VO (V) PQ3RF23/PQ3RF33 Fig. 6 Overcurrent Protection Characteristics (PQ3RF33) 4 VIN=3.8V 4.3V 5V 7V 10V 3 Output voltage VO (V) 3 2 2 1 1 Tj=25C 0 1 5 2 3 4 Output current IO (A) 6 7 0 1 5 2 3 4 6 Output current IO (A) 7 8 Fig. 7 Output Voltage Deviation vs. Junction Temperature (PQ3RF23) 100 Fig. 8 Output Voltage Deviation vs. Junction Temperature (PQ3RF33) 100 80 60 40 20 0 -20 -40 -60 -80 -100 -25 0 25 50 75 100 Junction temperature Tj (C) 125 VIN=5V IO=0A Output voltage deviation VO (mV) 80 60 40 20 0 -20 -40 -60 -80 -100 -25 0 25 50 75 100 Junction temperature Tj (C) 125 VIN=5V IO=0A Fig. 9 Output Voltage vs. Input Voltage (PQ3RF23) 4 Output voltage VO (V) Output voltage deviation VO (mV) Fig.10 Output Voltage vs. Input Voltage (PQ3RF33) 4 Output voltage VO (V) Tj=25C RL= RL=3.3 RL=1.65 Tj=25C RL= RL=3.3 RL=1.65 RL=0.94 3 3 2 2 1 1 0 1 5 2 3 4 6 Input voltage VIN (V) 7 8 0 1 5 2 3 4 6 Input voltage VIN (V) 7 8 Low Power-Loss Voltage Regulators Fig.11 Circuit Operating Current vs. Input Voltage (PQ3RF23) Circuit operating current IBIAS (mA) PQ3RF23/PQ3RF33 Fig.12 Circuit Operating Current vs. Input Voltage (PQ3RF33) Circuit operating current IBIAS (mA) Tj=25C 100 Tj=25C 100 50 RL=1.65 RL=3.3 RL= 0 1 2 3 4 5 6 Input voltage VIN (V) 7 8 50 RL=0.94 RL=1.65 RL=3.3 RL= 0 1 2 3 4 5 6 Input voltage VIN (V) 7 8 Fig.13 Dropout Voltage vs. Junction Temperature (PQ3RF23) 0.5 0.4 IO=2.0A 0.3 0.2 0.1 0 -25 IO=1.5A IO=1.0A IO=0.5A Fig.14 Dropout Voltage vs. Junction Temperature (PQ3RF33) 0.5 0.4 IO=3.5A IO=3.0A 0.3 IO=2.0A 0.2 IO=1.0A 0.1 0 -25 Dropout voltage Vi-O (V) Dropout voltage Vi-O (V) 25 50 75 100 0 Junction temperature Tj (C) 125 0 25 50 75 100 Junction temperature Tj (C) 125 Fig.15 Quiescent Current vs. Junction Temperature (PQ3RF23) 5 4 3 2 1 0 -25 VIN=5V IO=0A Quiescent current Iq (mA) Fig.16 Quiescent Current vs. Junction Temperature (PQ3RF33) 5 4 Quiescent current Iq (mA) 3 2 1 0 -25 VIN=5V IO=0A 0 25 50 75 100 Junction temperature Tj (C) 125 0 25 50 75 100 Junction temperature Tj (C) 125 Low Power-Loss Voltage Regulators Fig.17 Ripple Rejection vs. Input Ripple Frequency (PQ3RF23) 80 70 VIN=5V IO=0.5A ei(rms)=0.5V PQ3RF23/PQ3RF33 Fig.18 Ripple Rejection vs. Input Ripple Frequency (PQ3RF33) 80 70 Ripple rejection RR (dB) Ripple rejection RR (dB) VIN=5V IO=0.5A ei(rms)=0.5V 60 50 40 30 20 10 0 0.1 1 10 Input ripple frequency f (kHz) 100 60 50 40 30 20 10 0 0.1 1 10 Input ripple frequency f (kHz) 100 Fig.19 Ripple Rejection vs. Output Current (PQ3RF23) 80 VIN=5V ei(rms)=0.5V f=120Hz Fig.20 Ripple Rejection vs. Output Current (PQ3RF33) 80 VIN=5V ei(rms)=0.5V f=120Hz Ripple rejection RR (dB) Ripple rejection RR (dB) 70 60 50 40 70 60 50 40 30 0 0.5 1 1.5 Output current IO (A) 2 0 0.5 1 1.5 2 2.5 Output current IO (A) 3 Fig.21 Output Peak Current vs. Junction Temperature (PQ3RF23) 6.0 5.5 Output peak current IOP (A) Fig.22 Output Peak Current vs. Junction Temperature (PQ3RF33) 8.0 7.5 Output peak current IOP (A) VIN=10V VIN=7V 5.0 4.5 4.0 3.5 3.0 2.5 IOP:Output current when VIN=3.8V output voltage is 95% in comparison with the initial value 0 25 50 75 100 Junction temperature Tj (C) 125 VIN=5V VIN=4.3V VIN=10V VIN=7V VIN=5V VIN=4.3V 7.0 6.5 6.0 5.5 5.0 4.5 4.0 -25 VIN=3.8V IOP:Output current when output voltage is 95% in comparison with the initial value 0 25 50 75 100 Junction temperature Tj (C) 125 2.0 -25 Low Power-Loss Voltage Regulators PQ3RF23/PQ3RF33 s Typical Application DC input 1 Specific IC 3 0.33F 2 4 + VO CO ON/OFF Control High or Open :output ON Low :output OFF Load NOTICE q 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). q q q 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. q q q |
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