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Low Power-Loss Voltage Regulators
PQXXXEZ02Z Series
PQXXXEZ02Z Series
Low Voltage Operation Low Power-loss Voltage Regulator
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Features
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Outline Dimensions
6.6MAX. 5.20.5
3
(Unit : mm)
2.30.5 (0.5)
9.7MAX.
MIN.
(0 to 0.25) 0.5+0.2 -0.1 4-(1.27) (0.5)
Power supplies for personal computers and peripheral equipment G Power supplies for various electronic equipment such as DVD player or STB
G 1 2 3 4 5
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Model Line-up
Output Voltage (VO)
1
3
Output current (IO)
2.0A
1.5V 1.8V 2.5V PQ015EZ02Z PQ018EZ02Z PQ025EZ02Z
1 2 3 4 5
Specific IC
2 5
DC input (VIN) ON/OFF control terminal (VC) DC output (VO) NC GND
(
) : Typical dimensions
I
1 1
Absolute Maximum Ratings
Parameter Symbol VIN Input voltage ON/OFF control terminal voltage VC Output current IO Power dissipation PD Junction temperature Tj Operating temperature Topr Storage temperature Tstg Soldering temperature Tsol Rating
(Ta=25C) Unit
2 3
10 10 2 8 150 -40 to + 85 -40 to +150 260 (10s)
V V A W C C C C
1 2
All are open except GND and applicable terminals PD:With infinite heat sink 3 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/
(0.9)
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Applications
2.5
(1.7)
Low voltage operation (Minimum operating voltage: 2.35V) 2.5V input available 1.5 to 1.8V output G Low dissipation current Dissipation current at no load: MAX.2mA Output OFF-state dissipation current: MAX.5A G Low power-loss G Built-in overcurrent and overheat protection functions
5.50.5
015EZ02
Epoxy resin
Low Power-Loss Voltage Regulators
PQXXXEZ02Z Series
I
Electrical Characteristics
Parameter
Symbol
5
Input voltage Output voltage Load regulation Line regulation Temperature coefficient of output 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=VO(TYP.)+1V, IO=0.5A,VC=2.7V, Ta=25C) Conditions MIN. TYP. MAX. Unit - Refer to the table 1 VIN V - Refer to the table 2 V VO % RegL IO=5mA to 2.0A - 0.2 2 VIN=VO(TYP.)+1V to VO(TYP.)+6V % - 0.1 1 RegI Tj=0 to 125C, IO=5mA %/C - - 0.01 TCVO Refer to Fig.2 - 45 60 dB RR 4 IO=1A VI-O - - 0.5 V 2 - - VC (ON) - V 200 - - IC (ON) A - V 0.8 - - VC (OFF) - - - A 2 IC (OFF) VC=0.4V - Iq 1 2 mA IO=0A - Iqs 5 A - IO=0A, VC=0.4V
4 Input voltage shall be the value when output voltage is 95% in comparison with the initial value. 5 In case of opening control terminal 2 , output voltage turns off.
Table.1 Input Voltage Line-up
(Unless otherwise specified, condition shall be IO=0.5A,VC=2.7V, Ta=25C)
Model No. Symbol VIN VIN VIN Conditions
PQ015EZ02Z PQ018EZ02Z PQ025EZ02Z
- - -
MIN. 2.35 2.35 3.0
TYP. - - -
MAX. 10 10 10
Unit V V V
Table.2 Output Voltage Line-up
(Unless otherwise specified, condition shall be VIN=VO(TYP.)+1V, IO=1A,VC=2.7V, Ta=25C)
Model No. Symbol VO VO VO Conditions
PQ015EZ02Z PQ018EZ02Z PQ025EZ02Z
- - -
MIN. 1.45 1.75 2.438
TYP. 1.5 1.8 2.5
MAX. 1.55 1.85 2.562
Unit V V V
Low Power-Loss Voltage Regulators
Fig.1 Test Circuit
VIN 1 3
PQXXXEZ02Z Series
VO
A 2 5 0.33F A Iq VC A IC + 47F
IO
V RL
Fig.2 Test Circuit for Ripple Rejection
+ 1 ei ~ 2 0.33F VIN 5 2.7V VC + 47F RL 3 IO eo V ~
f=120Hz (sine wave) ei(rms)=0.5V VIN=VO(TYP)+2V IO=0.3A RR=20log (ei(rms)/eo(rms))
Fig.3 Power Dissipation vs. Ambient Temperature
10 8 PD : With infinite heat sink
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Power dissipation PD (W)
5
-20 0 20 40 60 80 Ambient temperature Ta (C) Note) Oblique line portion:Overheat protection may operate in this area.
0 -40
NOTICE
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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).
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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.
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