SHARP PQ5EV3_01

Low Power-Loss Voltage Regulators
PQ5EV3/PQ5EV5/PQ5EV7
PQ5EV3/PQ5EV5/PQ5EV7
Large Output Current Type Low Power-Loss Voltage Regulator
■
■
(Unit : mm)
Outline Dimensions
10.2MAX.
3.5±0.2
ø3.2±0.1
(6.6)
(4.5)
6
2–(ø1.4)
(25.2)
PQ5EV3
(2.0)
17.0±0.7
Features
Low power-loss (Dropout voltage: MAX.0.5V)
● Package with exposed radiation fin (Equivalent to TO-220)
● Large output current
3.5A: PQ5EV3, 5A: PQ5EV5, 7.5A: PQ5EV7
● Variable output voltage (1.5V to 5V)
● High-precision reference voltage type
(Reference voltage precision: ±1.0%)
● Overcurrent, overheat protection functions
●
Epoxy resin
(0.6)
2–1.05+0.3
-0
Applications
(1.0)
5–0.7±0.1
Personal computers
● Power supplies for various electronic equipment such as
AV or OA
●
4.4MIN.
■
4–(1.7)
3.2±0.5
(5.0)
±0.7
8.2
■
Absolute Maximum Ratings
(Ta=25°C)
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
P
D1
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)
Unit
V
V
V
V
1
1
2
3
4
4
3
2
3
4
W
W
˚C
˚C
˚C
˚C
Specific IC
5
5
1
A
2
5
6
DC input (VIN)
DC output (VO)
GND
Output voltage adjustment terminal (VADJ)
ON/OFF control terminal (VC)
DC output(VO)
( ) : Typical dimensions
❇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=125˚C to 150˚C
•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/
Low Power-Loss Voltage Regulators
■
PQ5EV3/PQ5EV5/PQ5EV7
Electrical Characteristics
(Unless otherwise specified, VIN=5V, ❇4,VO=3V (R1=2kΩ) , Ta=25˚C)
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 125˚C
−
−
±1
−
60
dB
70
Refer to Fig.2
❇5
0.5
−
−
V
2
−
−
−
V
20
−
−
µA
VC=2.7V
V
0.8
−
−
−
−
−
mA
−0.4
VC=0.4V
−
15
mA
10
IO=0A
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 ➄, output voltage turns on.
Fig.1 Test Circuit
VIN
Fig.2 Test Circuit for Ripple Rejection
1
2
5
4
R2
+ VC
100µF
3
A
A
Iq
A
+
RL
100µF
30
20
10
50
80
Ambient temperature Ta (˚C)
Note) Oblique line portion:Overheat protection may operate in this area
100µF +
R1
2kΩ
IO
RL
Fig.4 Overcurrent Protection
Characteristics (PQ5EV3)
100
40
3
V
~
eo
f=120Hz (sine wave)
ei(rms)=0.5V
VO=3V (R1=2kΩ)
VIN=5V
IO=0.5A
RR=20log (ei(rms)/eo(rms))
Relative output voltage (%)
Power dissipation PD (W)
4
VIN
PD2 : With infinite heat sink
PD1 : No heat sink
1.6
–20
0
25
5
2.7V
Fig.3 Power Dissipation vs. Ambient
Temperature
45
2
R2
+
VO=Vref× (1+R2/R1)
[R1=2kΩ, Vref.=.1.24V]
50
1
ei ~
IO
V
Vref
V
R1
2kΩ
+
VO
100µF
80
60
VI-O=3.7V
VI-O=1.7V
VI-O=1V
VI-O=0.5V
40
20
0
0 1 2 3 4 5 6 7 8 9 10 11 12
Output current IO (A)
Low Power-Loss Voltage Regulators
Fig.5 Overcurrent Protection
Characteristics (PQ5EV5)
Fig.6 Overcurrent Protection
Characteristics (PQ5EV7)
100
VI-O=3.7V
VI-O=3.7V
80
VI-O=1.7V
VI-O=1V
60
Relative output voltage (%)
Relative output voltage (%)
100
VI-O=0.5V
40
20
0
PQ5EV3/PQ5EV5/PQ5EV7
80
VI-O=1V
60
VI-O=0.5V
40
20
0
0 1 2 3 4 5 6 7 8 9 10 11 12
VI-O=1.7V
0 1 2 3 4 5 6 7 8 9 10 11 12
Output current IO (A)
Output current IO (A)
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
VIN=5V
IO=0
VO=3V
8
6
4
PQ5EV3
2
0
PQ5EV7
–2
PQ5EV5
–4
–6
–8
–10
–25
0
25
50
75
100
R1=2kΩ
R2=2.8kΩ
4
Output voltage VO (V)
Reference voltage fluctuation ∆Vref (mV)
10
Fig.8 Output Voltage vs. Input Voltage
(PQ5EV3)
3
2
0
1
Junction temperature Tj (˚C)
Output voltage VO (V)
Output voltage VO (V)
RL=0.6Ω
1
0
0
1
2
3
4
5
Input voltage VIN (V)
6
4
5
6
7
R1=2kΩ
R2=2.8kΩ
4
3
2
3
Fig.10 Output Voltage vs. Input Voltage
(PQ5EV7)
R1=2kΩ
R2=2.8kΩ
RL=1.2Ω
RL=∞Ω
2
Input voltage VIN (V)
Fig.9 Output Voltage vs. Input Voltage
(PQ5EV5)
4
RL=0.8Ω
1
0
125
RL=1.7Ω
RL=∞Ω
7
3
RL=0.4Ω
RL=0.8Ω
RL=∞Ω
2
1
0
0
1
2
3
4
5
Input voltage VIN (V)
6
7
Low Power-Loss Voltage Regulators
Fig.11 Circuit Operating Current vs. Input
Voltage (PQ5EV3)
160
R1=2kΩ
R2=2.8kΩ
(VO=3V)
140
120
100
RL=0.8Ω
80
RL=1.7Ω
RL=∞Ω
60
40
20
0
0
1
2
3
4
5
6
Fig.12 Circuit Operating Current vs. Input
Voltage (PQ5EV5)
7
Circuit operating current IBIAS (mA)
Circuit operating current IBIAS (mA)
160
PQ5EV3/PQ5EV5/PQ5EV7
120
100
RL=0.6Ω
80
40
20
0
60
40
20
0
0
1
2
3
4
5
6
PQ5EV3
1.4
1.2
1
7
0.3
PQ5EV5 : IO=5.0A
0.25
PQ5EV3 : IO=3.5A
0.2
0.15
0.1
VIN=5V
VO=3V
20 40 60 80 100 120 140
Fig.16 Quiescent Current vs. Junctiion
Temperature
5
VIN=5V
IO=0V
VO=3V
PQ5EV5
PQ5EV7
0.8
0.6
0.4
0.2
0
–40 –20 0
6
Junction temperature Tj (˚C)
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
VIN=5V
IO=0V
VO=3V
VO=2V
4.5
Quiescent current Iq(mA)
ON/OFF threshold voltage (V)
1.6
5
PQ5EV7 : IO=7.5A
0.05
0
–40 –20 0
7
Fig.15 ON-OFF Threshold Voltage vs.
Junction Temperature
2
4
0.35
Input voltage VIN (V)
1.8
3
0.4
Dropout voltage VI-O (V)
Circuit operating current IBIAS (mA)
0.45
RL=0.8Ω
RL=∞Ω
80
2
0.5
RL=0.4Ω
100
1
Fig.14 Dropout Voltage vs. Junction
Temperature
R1=2kΩ
R2=2.8kΩ
(VO=3V)
120
0
Input voltage VIN (V)
Fig.13 Circuit Operating Current vs. Input
Voltage (PQ5EV7)
140
RL=1.2Ω
RL=∞Ω
60
Input voltage VIN (V)
160
R1=2kΩ
R2=2.8kΩ
(VO=3V)
140
4
3.5
3
PQ5EV3
2.5
2
1.5
PQ5EV7
PQ5EV5
1
0.5
0
–40 –20 0
20 40 60 80 100 120 140
Junction temperature Tj (˚C)
Low Power-Loss Voltage Regulators
PQ5EV3/PQ5EV5/PQ5EV7
Fig.17 Ripple Rejection vs. Input Ripple
Frequency
Fig.18 Output Voltage Adjustment
Characteristics
80
5
PQ5EV3
4.5
50
PQ5EV7
40
30
20
10
0
0.1
1
R1=2kΩ
4
PQ5EV5
60
Output voltage VO (V)
Ripple rejection RR (dB)
70
10
ei(rms)=0.5V
VOUT=3V
IO=0.5V
COUT=100µF
CIN=0
VIN=5V
100
1000
3.5
3
2.5
2
1.5
1
0.5
0
100
1 000
Input ripple frequency f (kHz)
10 000
R2 (Ω)
Fig.19 External Connection
VIN
1
2
5
4
VO
R2
CIN
CO
+
Load
3
R1
C-MOS or TTL
■
Setting of Output Voltage
Output voltage is able to set (1.5V to 5V) when resistors R1, R2 are attached to ➁, ➂, ➃ terminals. As for the external resistors to
set output voltage, refer to the following figure and Fig.18.
2
VO
R2
−
4
+
R1
3
Vref
VO=Vref× (1+R2/R1)
[R1=2kΩ,Vref .=.1.24V]
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.