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| Low Power-Loss Voltage Regulators PQ5EV3/PQ5EV5/PQ5EV7 PQ5EV3/PQ5EV5/PQ5EV7 Large Output Current Type Low Power-Loss Voltage Regulator s q Features s Outline Dimensions 10.2MAX. (6.6) 6 (Unit : mm) 3.50.2 Epoxy resin 2-1.05+0.3 -0 s q (0.6) Applications Personal computers q Power supplies for various electronic equipment such as AV or OA 4-(1.7) (5.0) 8.2 0.7 3.20.5 s Absolute Maximum Ratings (Ta=25C) Unit V V V V A W W C C C C 1 2 Parameter Symbol Rating 1 Input voltage VIN 7 VI-O 4 Dropout voltage 1 VC 7 ON/OFF control terminal voltage 1 5 Output adjustment terminal voltage VADJ PQ5EV3 3.5 5.0 IO Output current PQ5EV5 7.5 PQ5EV7 PD1 1.6 2 Power dissipation PD2 45 3 Junction temperature Tj 150 Operating temperature Topr -20 to +80 Storage temperature Tstg -40 to +150 4 Soldering temperature Tsol 260 (10s) 1 All are open except GND and applicable terminals 2 PD1:No heat sink, PD2:With infinite heat sink 3 Overheat protection may operate at the condition Tj=125C to 150C 1 2 3 4 5 5 Specific IC 4 3 1 2 3 4 5 6 DC input (VIN) DC output (VO) GND Output voltage adjustment terminal (VADJ) ON/OFF control terminal (VC) DC output(VO) ( ) : Typical dimensions *Please refer to the chapter " Handling Precautions ". 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/ Notice 4.4MIN. 5-0.70.1 (1.0) (2.0) 17.00.7 (25.2) Low power-loss (Dropout voltage: MAX.0.5V) q Package with exposed radiation fin (Equivalent to TO-220) q Large output current 3.5A: PQ5EV3, 5A: PQ5EV5, 7.5A: PQ5EV7 q Variable output voltage (1.5V to 5V) q High-precision reference voltage type (Reference voltage precision: 1.0%) q Overcurrent, overheat protection functions o3.20.1 (4.5) 2-(o1.4) PQ5EV3 Low Power-Loss Voltage Regulators PQ5EV3/PQ5EV5/PQ5EV7 (Unless otherwise specified, VIN=5V, 4,VO=3V (R1=2k) , Ta=25C) Conditions MIN. TYP. MAX. Unit 2.35 - 7 V - - 1.5 - V 5 1.2276 1.24 1.2524 V - IO=5mA to rating - 0.1 0.5 % VIN=4 to 7V, IO=5mA - 0.05 0.1 % % Tj=0 to 125C - - 1 - 60 dB 70 Refer to Fig.2 5 0.5 - - V 2 - - - V 20 - - A VC=2.7V V 0.8 - - - - - mA -0.4 VC=0.4V - 15 mA 10 IO=0A s Electrical Characteristics Symbol VIN VO Vref RegL RegI TCVref RR VI-O VC (ON) IC (ON) VC (OFF) IC (OFF) Iq Parameter Input voltage Output voltage Reference voltage Load regulation Line regulation Reference voltage temperature coefficient Ripple Rejection Dropout voltage 6 ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current 4 PQ5EV3:IO=1.75A, PQ5EV5:IO=2.5A, PQ5EV7:IO=3.75A 5 PQ5EV3:IO=3.5A, PQ5EV5:IO=5A, PQ5EV7:IO=7.5A. Input voltage shall be the value when output voltage is 95% in comparison with the initial value 6 In case of opening control terminal , output voltage turns on. Fig.1 Test Circuit VIN + VC 100F A A Iq 1 2 Fig.2 Test Circuit for Ripple Rejection 100F R2 A VO IO V RL ei ~ + VIN 100F 2.7V 5 3 4 + 1 2 R2 100F + R1 2k 5 3 4 + R1 2k Vref V IO RL V ~ eo VO=Vrefx (1+R2/R1) = [R1=2k, Vref. .1.24V] f=120Hz (sine wave) ei(rms)=0.5V VO=3V (R1=2k) VIN=5V IO=0.5A RR=20log (ei(rms)/eo(rms)) Fig.3 Power Dissipation vs. Ambient Temperature 50 45 40 30 20 10 PD1 : No heat sink 1.6 -20 0 25 PD2 : With infinite heat sink Fig.4 Overcurrent Protection Characteristics (PQ5EV3) 100 80 60 40 20 0 VI-O=3.7V VI-O=1.7V VI-O=1V VI-O=0.5V Relative output voltage (%) Power dissipation PD (W) 50 80 0 1 2 3 4 5 6 7 8 9 10 11 12 Output current IO (A) Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area Low Power-Loss Voltage Regulators Fig.5 Overcurrent Protection Characteristics (PQ5EV5) 100 80 60 40 20 0 VI-O=3.7V Relative output voltage (%) PQ5EV3/PQ5EV5/PQ5EV7 Fig.6 Overcurrent Protection Characteristics (PQ5EV7) 100 80 60 40 20 0 VI-O=3.7V VI-O=1.7V VI-O=1V VI-O=0.5V Relative output voltage (%) VI-O=1.7V VI-O=1V VI-O=0.5V 0 1 2 3 4 5 6 7 8 9 10 11 12 Output current IO (A) 0 1 2 3 4 5 6 7 8 9 10 11 12 Output current IO (A) Fig.7 Reference Voltage Fluctuation vs. Junction Temperature 10 8 6 4 2 0 -2 -4 -6 -8 -10 -25 PQ5EV7 PQ5EV5 Fig.8 Output Voltage vs. Input Voltage (PQ5EV3) 4 R1=2k R2=2.8k Reference voltage fluctuation Vref (mV) VIN=5V IO=0 VO=3V Output voltage VO (V) PQ5EV3 3 RL=1.7 RL= RL=0.8 2 1 0 0 25 50 75 100 125 0 1 2 3 4 5 6 7 Junction temperature Tj (C) Input voltage VIN (V) Fig.9 Output Voltage vs. Input Voltage (PQ5EV5) 4 R1=2k R2=2.8k Fig.10 Output Voltage vs. Input Voltage (PQ5EV7) 4 R1=2k R2=2.8k Output voltage VO (V) 3 RL=1.2 RL= RL=0.6 Output voltage VO (V) 3 RL= RL=0.4 RL=0.8 2 2 1 0 1 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 Input voltage VIN (V) Input voltage VIN (V) Low Power-Loss Voltage Regulators Fig.11 Circuit Operating Current vs. Input Voltage (PQ5EV3) 160 PQ5EV3/PQ5EV5/PQ5EV7 Fig.12 Circuit Operating Current vs. Input Voltage (PQ5EV5) 160 Circuit operating current IBIAS (mA) 140 120 100 80 60 40 20 0 0 1 2 3 4 5 Circuit operating current IBIAS (mA) R1=2k R2=2.8k (VO=3V) 140 120 100 R1=2k R2=2.8k (VO=3V) RL=0.8 RL=1.7 RL= RL=0.6 80 60 40 20 0 0 1 2 3 4 RL=1.2 RL= 6 7 5 6 7 Input voltage VIN (V) Input voltage VIN (V) Fig.13 Circuit Operating Current vs. Input Voltage (PQ5EV7) 160 Fig.14 Dropout Voltage vs. Junction Temperature 0.5 0.45 0.4 PQ5EV7 : IO=7.5A Circuit operating current IBIAS (mA) 140 120 100 80 60 40 20 0 0 1 2 3 4 5 R1=2k R2=2.8k (VO=3V) Dropout voltage VI-O (V) RL=0.4 RL=0.8 RL= 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 -40 -20 0 VIN=5V VO=3V 20 40 60 80 100 120 140 PQ5EV5 : IO=5.0A PQ5EV3 : IO=3.5A 6 7 Input voltage VIN (V) Junction temperature Tj (C) Fig.15 ON-OFF Threshold Voltage vs. Junction Temperature 2 1.8 VIN=5V IO=0V VO=3V Fig.16 Quiescent Current vs. Junctiion Temperature 5 4.5 Quiescent current Iq(mA) ON/OFF threshold voltage (V) 1.6 1.4 1.2 1 0.8 0.6 0.4 PQ5EV3 4 3.5 3 2.5 2 1.5 1 0.5 0 -40 -20 0 PQ5EV7 VIN=5V IO=0V VO=3V VO=2V PQ5EV3 PQ5EV5 PQ5EV5 PQ5EV7 0.2 0 -40 -20 0 20 40 60 80 100 120 140 20 40 60 80 100 120 140 Junction temperature Tj (C) Junction temperature Tj (C) Low Power-Loss Voltage Regulators Fig.17 Ripple Rejection vs. Input Ripple Frequency 80 70 PQ5EV3 PQ5EV3/PQ5EV5/PQ5EV7 Fig.18 Output Voltage Adjustment Characteristics 5 4.5 4 Output voltage VO (V) R1=2k Ripple rejection RR (dB) 60 50 40 30 20 10 0 0.1 PQ5EV5 3.5 3 2.5 2 1.5 1 0.5 0 100 PQ5EV7 1 10 ei(rms)=0.5V VOUT=3V IO=0.5V COUT=100F CIN=0 VIN=5V 100 1000 1 000 R2 () 10 000 Input ripple frequency f (kHz) Fig.19 External Connection VIN VO R2 1 2 5 CIN 4 CO + Load 3 R1 C-MOS or TTL s Setting of Output Voltage Output voltage is able to set (1.5V to 5V) when resistors R1, R2 are attached to , , terminals. As for the external resistors to set output voltage, refer to the following figure and Fig.18. 2 R2 - + 3 Vref 4 R1 VO VO=Vrefx (1+R2/R1) = [R1=2k,Vref . .1.24V] 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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