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| Low Power-Loss Voltage Regulators PQ070XH02Z Series PQ070XH02Z Series Low Voltage Operation Low Power-Loss Voltage Regulator s q Features s Outline Dimensions 10.6MAX. (0.55) 6 (Unit : mm) (Heat sink is common to 3 .) 0.9 0.9 4-(1.7) (0.6) s q Applications 1 2 (1.3) 1 2 3 4 5 6 Low voltage operation (Minimum operating voltage: 2.35V) 2.5V input available 1.5 to 1.8V output q Large output current type (IO: 2A) q Low dissipation current (Quiescent current: MAX. 2mA Output OFF-state dissipation current: MAX. 5A) q Low power-loss q Built-in overcurrent and overheat protection functions q TO-263 surface mount package 3.50.5 (0.6) 3.280.5 13.7MAX. 8.40.5 (0.6) (0.45) 1.05 0.9 1.05 (2.4) Personal computers and peripheral equipment q Power supplies for various digital electronic equipment such as DVD player or STB q Power supplies for automotive equipment such as car navigation system. VIN 3 4 5 DC input (VIN) ON/OFF control (VC) DC output (VO) Output voltage adjustment(VADJ) GND DC output (VO) OUT R2 1 3 s Model Line-up Package type Taping Sleeve Variable output type PQ070XH02ZP PQ070XH02ZZ ON/OFF Control Output current(IO) 2A 2 control circuit ON/OFF Control circuit AMP 4 VADJ R1 Overheat Overcurrent protection protection Reference voltage 5 GND GND s 1 1 1 Absolute Maximum Ratings Symbol Parameter VIN Input voltage ON/OFF control terminal voltage VC Output adjustment terminal voltage VADJ Output current IO Power dissipation PD Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol Rating 10 10 5 2 35 150 -40 to +85 -40 to +150 260(10s) 2 3 (Ta=25C) Unit V V V A W C C C C 1 2 3 All are open except GND and applicable terminals. PD:With infinite heat sink Overheat protection may operate at 125 <=Tj<=150C. *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 Low Power-Loss Voltage Regulators PQ070XH02Z Series s Electrical Characteristics Parameter Input voltage Output voltage Reference voltage Load regulation Line regulation Temperature coefficient of reference voltage Ripple rejection Dropout voltage ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current Output OFF-state dissipation current (Unless otherwise specified, condition shall be VIN=5V,VO=3V(R1=1k),IO=1A,VC=2.7V,Ta=25C) Symbol VIN VO VREF RegL RegI TCVREF RR VI-O VC(ON) IC(ON) VC(OFF) IC(OFF) Iq Iqs Conditions - - - IO=5mA to 2A VIN=4 to 8V, IO=5mA Tj=0 to 125C, IO=5mA Refer to Fig.2 VIN=2.85A, IO=2A - - IO=0A IO=0A, VC=0.4V IO=0A IO=0A, VC=0.4V MIN. 2.35 1.5 1.225 - - - 45 - 2 - - - - - TYP. - - 1.25 0.2 0.2 1.0 60 - - - - - 1 - MAX. 10 7 1.275 2.0 1.0 - - 0.5 - 200 0.8 2 2 5 Unit V V V % % %/C dB V V A V A mA A 4 4 In case of opening control terminal 2 , output voltage turns off Fig.1 Test Circuit VIN 1 3 R2 VC 2 4 0.33F A IC 5 47F A Iq R1 1k V RL Vref + V VO A IO VO=Vref x(1+R2/R1) [R1=1k, Vref .=. 1.25V] Fig.2 Test Circuit of Ripple Rejection + 1 3 ei ~ VC 0.33F R2 2 5 IO + eo V ~ 4 Vref 47F R1 1k VIN 2.7V RL f=120Hz(sine wave) ei(rms)=0.5V VO=3V(R1=1k) VIN=5V IO=0.3A RR=20log(ei(rms)/eo(rms)) Low Power-Loss Voltage Regulators Fig.3 Power Dissipation vs. Ambient Temperature 40 35 Power dissipation PD (W) PQ070XH02Z Series Fig.4 Overcurrent Protection Characteristics 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 10V 7V VIN=4.5V 5V 5.5V VC=2.7V, Ta=25C R1=1k, R2=1.4k (VO=3V) CIN=0.33F, CO=47F PD : With infinite heat sink ;;; ;; ; ;; ;; 100 VIN=5V, VC=2.7V, IO=1A R1=1k, R2=1.4k CIN=100F, CO=100F VC=2.7V, Ta=25C CIN=0.33F, CO=47F RL=1.5(IO=2A) RL=3(IO=1A) RL=(IO=0A) 0 1 2 345678 Input voltage VIN (V) 9 10 25 20 15 10 5 0 -40 -20 0 20 40 60 80 Ambient temperature Ta (C) Output voltage VO (V) 30 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Output Current IO (A) Note) Oblique line portion:Overheat protection may operate in this area. Fig.5 Output Voltage Fluctuation vs. Junction Temperature Output voltage deviation VO (V) Fig.6 Output Voltage vs. Input Voltage 5.0 4.5 VC=2.7V, Ta=25C R1=1k, R2=1.4k (VO=3V) CIN=0.33F, CO=47F 50 40 30 20 10 0 Output voltage VO (V) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 1 2 -10 -20 -30 -40 -50 -50 -25 0 25 50 75 100 125 Junction temperature Tj (C) RL=1.5(IO=2A) RL=3(IO=1A) RL=(IO=0A) 345678 Input voltage VIN (V) 9 10 Fig.7 Circuit Operating Current vs. Input Voltage 60 Fig.8 Dropout Voltage vs. Junction Temperature 0.5 0.45 VIN=2.85V, VC=2.7V R1=1k, R2=1.4k 0.4 CIN=100F,CO=100F 0.35 IO=2A 0.3 0.25 0.2 0.15 0.1 0.05 0 -50 -25 0 25 50 75 100 125 Junction temperature Tj (C) IO=1A Circuit operating current IBIAS (mA) 40 30 20 10 0 Dropout voltage Vi-o (V) 50 Low Power-Loss Voltage Regulators Fig.9 ON-OFF Control Voltage vs. junction Temperature ON-OFF control voltage VC(ON/OFF) (V) 2.5 2 1.5 1 0.5 0 -50 -25 0 25 50 75 100 125 Junction temperature Tj (C) VIN=5V R1=1k, R2=1.4k IO=0A, CIN=100F, CO=100F PQ070XH02Z Series Fig.10 Quiescent Current vs. Junction Temperature 2 Quiescent current Iq (mA) 1.5 VIN=5V, R1=1k, R2=1.4k VC=2.7V, IO=0A, CIN=100F CO=100F 1 0.5 0 -50 -25 0 25 50 75 100 125 Junction temperature Tj (C) Fig.11 Ripple Rejection vs. Input Ripple Frequency 80 70 Fig.12 Ripple Rejection vs. Output Current 80 75 Ripple rejection RR (dB) Ripple rejection RR (dB) 60 50 40 30 20 ei(rms)=0.5V, VIN=VO(TYP)+2V 10 VC=2.7V,IO=0.5A, CO=47F, Ta=25C R1=1k, R2=1.4k (VO=3V) 0 0.1 1 10 100 Input ripple frequency f (kHz) 70 65 60 55 50 45 40 35 ei(rms)=0.5V, f=120Hz VIN=VO(TYP)+2V VC=2.7V,CO=47F, Ta=25C R1=1k, R2=1.4k (VO=3V) 30 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Output current IO (A) Fig.13 Power Dissipation vs. Ambient Temperature 6 Power dissipation PD (W) 5 4 3 2 1 0 -40 Cu area 3 600mm2 Cu area 900mm2 Cu area 400mm2 Cu area 115mm2 PWB PWB Cu Material : Glass-cloth epoxy resin Size : 60x60x1.6mm Cu thickness : 65m -20 0 20 40 60 Ambient temperature Ta (C) 80 Low Power-Loss Voltage Regulators Fig.19 Output Voltage Adjustment Characteristics (Typical Value) 10 9 8 7 6 5 4 3 2 1 0 102 103 R2 () 104 R1=1k PQ070XH02Z Series Fig.21 Typical Application VO Output voltage VO (V) 1 3 R2 VIN 2 5 R1 1k 4 CO + Load CIN ON/OFF Signal High: Output ON Low or Open: Output OFF s Setting of Output Voltage Output voltage is able to set from 1.5V to 7V when resistors R1, R2 are attached to , , terminals. As for the external resistors to set output voltage, refer to the following figure. 3 R2 - + 5 Vref VO=Vref x(1+R2/R1) [R1=1k, Vref .=. 1.25V] 4 R1 VO 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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