SHARP PQ3RF23_01

Low Power-Loss Voltage Regulators
PQ3RF23/PQ3RF33
PQ3RF23/PQ3RF33
3.3V Output, High Output Current(2A, 3.5A)Type Low Power-loss Voltage Regulators
■
■
Features
3.3V output
● High output current
2A type:PQ3RF23
3.5A type:PQ3RF33
● Compact resin full-mold package(TO-220 package)
● Low power-loss(Dropout voltage:MAX. 0.5V)
● High-precision output voltage type
Output voltage precision:±2.5%
● Built-in ON/OFF control function
● Built-in overcurrent protection, overheat protection function
(Unit : mm)
Outline Dimensions
●
4.5±0.2
10.2MAX
29.1MAX
PQ3RF23
4.8MAX
15.6±0.5
7.4±0.2
3.6±0.2
2.8±0.2
ø3.2±0.1
13.5MIN
4–1.4 +0.3
–0
4–0.6 +0.2
–0.1
(1.5)
(0.5)
3–(2.54)
■
●
Applications
Power supplies for various electronic equipment such as
personal computers
➀➁➂➃
Internal connection diagram
➀
➁
Control circuit
➂
■
Absolute Maximum Ratings
Parameter
❇1
❇1
❇2
Input voltage
ON/OFF control terminal voltage
IO
Power dissipation(No heat sink)
PD1
Power dissipation(With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
PD2
Tj
Topr
Tstg
Tsol
❇1
All are open except GND and applicable terminals.
Overheat protection may operate at 125<=Tj<=150˚C.
➀
➁
➂
➃
DC input(VIN)
DC output(VO)
GND
ON/OFF control
terminal(VC)
(Ta=25˚C)
Symbol
VIN
VC
Output current
❇2
➃
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
•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
Electrical Characteristics
(Unless otherwise specified,conditions shall be IO=1.0A[PQ3RF23]/IO=1.5A[PQ3RF33],VIN=5V,Ta=25˚C)
Parameter
Output voltage
Symbol
VO
PQ3RF23
PQ3RF33
Load regulation
RegL
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
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 125˚C
−
❇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
µA
V
mA
mA
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
In case of opening control terminal ➃,output voltage turns on.
Fig. 1 Test Circuit
VIN
1
3
A
VC
IO
A
+
A
Iq
VO
47µF
2
4
0.33µF
Fig. 2 Test Circuit of Ripple Rejection
Power dissipation PD (W)
18
15
10
5
1.5
0
–20
Note)
PD2
PD1
4
ei
3
VIN
+
2
V
RL
IO
47µF
+
0.33µF
IC
;;;
;;;
;;;
;;;
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ3RF23)
20
1
0
20
40
60
80
Ambient temperature Ta (˚C)
Oblique line portion : Overheat protection may operate in this area.
RL V eo
f=120Hz(sine wave)
ei(rms)=0.5V
VIN=5V
IO=0.5A
RR=20 log(ei(rms)/eo(rms))
;;;
;;;
;;;
;;;
Fig. 4 Power dissipation vs. Ambient
temperature (PQ3RF33)
20
18
Power dissipation PD (W)
■
PQ3RF23/PQ3RF33
15
10
5
1.8
0
–20
Note)
PD2
PD1
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)
Fig. 6 Overcurrent Protection Characteristics
(PQ3RF33)
4
Tj=25˚C
VIN=3.8V 4.3V 5V 7V 10V
VIN=3.8V 4.3V 5V 7V 10V
3
Output voltage VO (V)
Output voltage VO (V)
4
PQ3RF23/PQ3RF33
2
1
3
2
1
Tj=25˚C
0
1
5
2
3
4
Output current IO (A)
6
7
Fig. 7 Output Voltage Deviation vs. Junction
Temperature
(PQ3RF23)
0
VIN=5V
40
IO=0A
20
0
–20
–40
–60
–80
–100
–25
0
25
50
75
100
Junction temperature Tj (˚C)
125
Fig. 9 Output Voltage vs. Input Voltage
(PQ3RF23)
60
VIN=5V
40
IO=0A
20
0
–20
–40
–60
–80
–100
–25
0
25
50
75
100
Junction temperature Tj (˚C)
4
RL=∞
RL=3.3Ω
RL=1.65Ω
2
125
Fig.10 Output Voltage vs. Input Voltage
(PQ3RF33)
Tj=25˚C
3
Tj=25˚C
RL=∞
3
RL=3.3Ω
RL=1.65Ω
RL=0.94Ω
2
1
1
0
80
Output voltage VO (V)
Output voltage VO (V)
4
8
100
Output voltage deviation ∆VO (mV)
Output voltage deviation ∆VO (mV)
60
7
Fig. 8 Output Voltage Deviation vs. Junction
Temperature
(PQ3RF33)
100
80
5
2
3
4
6
Output current IO (A)
1
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
Tj=25˚C
100
50
RL=1.65Ω
RL=3.3Ω
RL=∞
0
1
2
3
4
5
6
Input voltage VIN (V)
7
Dropout voltage Vi–O (V)
Dropout voltage Vi–O (V)
IO=2.0A
0
–25
IO=1.5A
IO=1.0A
IO=0.5A
25
50
75
100
0
Junction temperature Tj (˚C)
5
RL=3.3Ω
RL=∞
1
2
3
4
5
6
Input voltage VIN (V)
7
8
0.4
IO=3.5A
IO=3.0A
0.3
IO=2.0A
0.2
IO=1.0A
0.1
0
25
50
75
100
Junction temperature Tj (˚C)
125
Fig.16 Quiescent Current vs. Junction
Temperature
(PQ3RF33)
5
VIN=5V
IO=0A
VIN=5V
IO=0A
4
4
Quiescent current Iq (mA)
Quiescent current Iq (mA)
RL=1.65Ω
0
–25
125
Fig.15 Quiescent Current vs. Junction
Temperature
(PQ3RF23)
3
2
1
0
–25
RL=0.94Ω
0.5
0.4
0.1
50
Fig.14 Dropout Voltage vs. Junction
Temperature
(PQ3RF33)
0.5
0.2
Tj=25˚C
100
0
8
Fig.13 Dropout Voltage vs. Junction
Temperature
(PQ3RF23)
0.3
Fig.12 Circuit Operating Current vs. Input
Voltage
(PQ3RF33)
Circuit operating current IBIAS (mA)
Circuit operating current IBIAS (mA)
Fig.11 Circuit Operating Current vs. Input
Voltage
(PQ3RF23)
PQ3RF23/PQ3RF33
0
25
50
75 100
Junction temperature Tj (˚C)
125
3
2
1
0
–25
0
25
50
75 100
Junction temperature Tj (˚C)
125
Low Power-Loss Voltage Regulators
80
VIN=5V
IO=0.5A
ei(rms)=0.5V
Ripple rejection RR (dB)
70
60
50
40
30
20
Fig.18 Ripple Rejection vs. Input Ripple
Frequency
(PQ3RF33)
80
10
60
50
40
30
20
10
0
0
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
70
60
50
40
0.1
1
10
Input ripple frequency f (kHz)
100
Fig.20 Ripple Rejection vs. Output Current
(PQ3RF33)
80
Ripple rejection RR (dB)
0.1
Ripple rejection RR (dB)
VIN=5V
IO=0.5A
ei(rms)=0.5V
70
Ripple rejection RR (dB)
Fig.17 Ripple Rejection vs. Input Ripple
Frequency
(PQ3RF23)
PQ3RF23/PQ3RF33
VIN=5V
ei(rms)=0.5V
f=120Hz
70
60
50
40
30
0
0.5
1
1.5
Output current IO (A)
2
Fig.21 Output Peak Current vs. Junction
Temperature
(PQ3RF23)
6.0
0
8.0
7.5
Output peak current IOP (A)
Output peak current IOP (A)
5.5
VIN=7V
VIN=5V
4.5
4.0
VIN=4.3V
3.5
3.0
2.5
IOP:Output current when VIN=3.8V
output voltage is 95%
in comparison with
the initial value
2.0
–25
0
25
50
75
100
Junction temperature Tj (˚C)
125
1
1.5
2
2.5
Output current IO (A)
3
Fig.22 Output Peak Current vs. Junction
Temperature
(PQ3RF33)
VIN=10V
5.0
0.5
7.0
6.5
VIN=10V
VIN=7V
VIN=5V
VIN=4.3V
6.0
5.5
VIN=3.8V
5.0
4.5
4.0
–25
IOP:Output current when
output voltage is 95% in
comparison with the initial value
0
25
50
75
100
Junction temperature Tj (˚C)
125
Low Power-Loss Voltage Regulators
Typical Application
DC input
1
VO
2
Specific IC
4
+
3
0.33µF
CO
ON/OFF Control
Load
■
High or Open :output ON
Low
:output OFF
PQ3RF23/PQ3RF33
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.