SHARP PQ20RX05

Low Power-Loss Voltage Regulators
PQ20RX05/PQ20RX11
PQ20RX05/PQ20RX11
Variable Output Type Low Power-Loss Voltage Regulator with ON/OFF Control Function
■
■
Features
Low power-loss
(Dropout voltage: MAX. 0.5V)
● Compact resin full mold package
(Equivalent to TO-220)
● With built-in ON/OFF control function
● Variable output voltage (setting range: 3.0 to 20V)
● 0.5A output (PQ20RX05)
1.0A output (PQ20RX11)
● Reference voltage precision: ±2.5%
● With built-in overcurrent protection, overheat protection,
ASO protection circuit
(Unit : mm)
Outline Dimensions
●
10.2MAX
7.4 ± 0.2
4.5
(24.6)
PQ20RX11
( 0.5 )
(1.5 )
0.8
4.4MIN 5.0 ± 0.5
Epoxy resin
16.4 ± 0.7
φ 3.2 ±0.1
ASO: Area of Safety Operation
(5.0 ) 3.2 ± 0.5
8.2 ± 0.7
4 –( 1.7 )
■
2.8
Applications
Power supplies for various electronic equipment such as
AV, OA equipment
● CRT displays
●
1
2 3
4
5
Internal connection diagram
1
3
Specific IC
1
2
3
4
5
DC input (VIN )
ON/OFF control terminal( Vc )
DC output ( Vo )
Output voltage adjustment terminal( VADJ )
GND
4
2
5
■
Absolute Maximum Ratings
Parameter
❇1 Input voltage
❇1 ON/OFF control terminal voltage
❇1 Output adjustment terminal voltage
PQ20RX05
Output current
PQ20RX11
❇2
Power dissipation
❇3
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol
VIN
Vc
VADJ
Io
PD1
PD2
Tj
Topr
Tstg
Tsol
❇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 125<=Tj<=150˚C.
(Ta=25˚C)
Rating
24
24
7
0.5
1
1.5(PQ20RX11),1.25(PQ20RX05)
15(PQ20RX11),10(PQ20RX05)
150
–20 to +80
–40 to +150
260(for 10s)
Unit
V
V
V
A
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
Parameter
Input voltage
Output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage
Dropout voltage
Quiescent current
❇7 ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Output OFF-state consumption current
❇4
PQ20RX05/PQ20RX11
(Unless otherwise specified, VIN=5V, VO=3.3V, ❇4, R1=2kΩ, R2=500Ω, VC=2.7V, Ta=25˚C)
Symbol
VIN
VO
RegL
RegI
RR
Vref
TCVref
Vi-O
Iq
VC(ON)
IC(ON)
VC(OFF)
IC(OFF)
Iqs
Conditions
––
––
MIN.
3.5
3.0
––
––
45
2.574
––
––
––
2.0
––
––
––
––
❇5
VIN=4 to 10V, Io=5mA
Refer to Fig. 2
––
Tj=0 to 125˚C, Io=5mA
❇4,❇6
Io=0A
––
––
Io=0A
Io=0A, Vc=0.4V
Vc=0.4V
TYP.
––
––
––
––
––
2.64
±1.0
––
––
––
––
––
––
––
MAX.
24
20
2.0
2.5
––
2.706
––
0.5
8
––
200
0.8
2.0
5.0
Unit
V
V
%
%
dB
V
%
V
mA
V
µA
V
µA
µA
PQ20RX05: IO=0.3A, PQ20RX11: IO=0.5A
❇5
PQ20RX05: IO=5mA to 0.5A, PQ20RX11: IO=5mA to 1.0A
Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
❇7 In case of opening ON/OFF control terminal 2 , output voltage turns off.
❇6
Fig. 1 Test Circuit
VIN
0.33µF
1
Fig. 2 Test Circuit of Ripple Rejection
47µF
3
R2
VC
2
A
A
Iq 2kΩ
A
IO
+
4
5
VO
R1 V
0.33µF
3
R2
ei
2
V
RL
47µF
1
VIN
5
47µF
4
IO
+
R1
2kΩ
2.7V
+
V
f=120Hz(sine wave)
ei(rms)=0.5V
IO=0.3A
RR=20 log(ei(rms)/eo(rms))
VIN=5V
VO=3.3V(R1=2kΩ)
R2
VO=Vref x 1+ –––––
R1
[R1=2kΩ,Vref Nearly=2.64V]
Fig. 3 Power Dissipation vs. Ambient
Temperature (PQ20RX05)
Fig. 4 Power Dissipation vs. Ambient
Temperature (PQ20RX11)
PD1 :No heat sink
PD2 :With infinite heat sink
PD1 :No heat sink
PD2 :With infinite heat sink
15
10
PD2
5
20
Power dissipation PD (W)
Power dissipation PD (W)
20
15
0
50
80 100
150
Ambient temperature Ta (˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
PD2
10
5
PD1
PD1
0
–20
eo
RL
0
–25
0
50
80 100
150
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 (Typical Value)
(PQ20RX05)
4
VO=3.3V
3
Vi–O =0.5V
Vi–O =1V
Vi–O =2V
2
Vi–O =3V
1
0
0
0.5
1.0
1.5
Output current IO (A)
Reference voltage deviation ∆Vref (mV)
R1=2kΩ
15
10
5
0
1
10
Vi–O =1V
Vi–O =2V
2
Vi–O =3V
1
0
100
Fig. 9 Output Voltage vs. Input Voltage
(PQ20RX05)
R1=2kΩ ,R2=0.5kΩ
VC=2.7V , Ci=0.33µF , C0=47µF
Tj=25˚C
5
0
PQ20RX11
–5
–10
–15
PQ20RX05
–20
–25
–25
5
4
RL=∞Ω
RL=11Ω
2
7
6
5
4
RL=∞Ω
3
RL=6.6Ω
RL=3.3Ω
1
0
125
R1=2kΩ ,R2=0.5kΩ
VC=2.7V , Ci=0.33µF , C0=47µF
Tj=25˚C
2
RL=6.6Ω
1
0
25
50
75
100
Junction temperature Tj (˚C)
8
6
3
2.0
Fig.10 Output Voltage vs. Input Voltage
(PQ20RX11)
Output voltage VO (V)
Output voltage VO (V)
7
0.5
1.0
1.5
Output current IO (A)
25
VIN=7V
20 VO=3.3V(R1=2kΩ,R2=0.5kΩ)
15 IO=0.3A (PQ20RX05)
=0.5A (PQ20RX11)
10
R2 (kΩ)
8
Vi–O =0.5V
Fig. 8 Reference Voltage Deviation vs.
Junction Temperature (Typical Value)
20
0.1
VO=3.3V
3
0
2.0
Fig. 7 Output Voltage Adjustment
Characteristics
Output voltage VO (V)
Fig. 6 Overcurrent Protection
Characteristics (Typical Value)
(PQ20RX11)
Output voltage VO (V)
Output voltage VO (V)
4
PQ20RX05/PQ20RX11
0
0
1
2
3
4
5
6
Input voltage VIN (V)
7
8
0
1
2
3
4
5
6
Input voltage VIN (V)
7
8
Low Power-Loss Voltage Regulators
Fig.11 Dropout Voltage vs. Junction
Temperature (PQ20RX05)
0.2
Fig.12 Dropout Voltage vs. Junction
Temperature (PQ20RX11)
0.18
VIN=3.135V, Vc=2.7V, R1=2kΩ, R2=500Ω, Io=0.3A
0.17
0.18
Dropout voltage Vi–O (V)
Dropout voltage Vi–O (V)
0.19
PQ20RX05/PQ20RX11
0.17
0.16
0.15
0.14
0.13
0.12
0.14
0.13
0.12
0.1
0
25
50
75
100 125
Junction temperature Tj (˚C)
Fig.13 Quiescent Current vs. Junction
Temperature
5
VIN=5V
IO=0A
VC=2.7V
R1=2kΩ
R2=500Ω
4
3
2
1
0
25
50
75 100
Junction temperature Tj (˚C)
75
70
65
50
Tj=25˚C IO=0.3A
45 VIN=5V ei(rms)=0.5V(sine wave)
R1=2kΩ RR=20 log(ei(rms)/eo(rms))
40 R2=0.5kΩ
0.1
1
10
100
Input ripple frequency f (kHz)
Fig.16 Ripple Rejection vs. Output Current
(PQ20RX11)
75
55
50
45
40
Tj=25˚C
VIN=5V
R1=2kΩ
R2=0.5kΩ
ei(rms)=0.5V
f=120Hz (sine wave)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output current IO (A)
Ripple rejection RR (dB)
75
60
PQ20RX05
55
80
65
PQ20RX11
60
80
70
125
80
125
Fig.15 Ripple Rejection vs. Output Current
(PQ20RX05)
0
25
50
75
100
Junction temperature Tj (˚C)
Fig.14 Ripple Rejection vs. Input Ripple
Frequency
0
–25
VIN=3.135V, Vc=2.7V, R1=2kΩ, R2=500Ω, Io=0.5A
–25
Ripple rejection RR (dB)
0.1
–25
Quiescent current Iq (mA)
0.15
0.11
0.11
Ripple rejection RR (dB)
0.16
70
65
60
55
50
45
40
Tj=25˚C
VIN=5V
R1=2kΩ
R2=0.5kΩ
ei(rms)=0.5V
f=120Hz (sine wave)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output current IO (A)
Low Power-Loss Voltage Regulators
Fig.17 Circuit Operating Current vs. Input
Voltage (PQ20RX05)
■
30
Vc=2.7V,
R1=2kΩ, R2=500Ω
(Vo=3.3V)
15
RL =6.6Ω
10
RL =11Ω
5
RL =∞Ω
0
0
1
2
3
4
5
Input voltage VIN (V)
6
Typical Application
DC input
1
VO
3
R2
Cin
VIN
2
5
Fig.18 Circuit Operating Current vs. Input
Voltage (PQ20RX11)
Circuit operating current IBIAS (mA)
Circuit operating current IBIAS (mA)
20
PQ20RX05/PQ20RX11
4
CO +
R1
2kΩ
ON/OFF signal
High : Output ON
Low or Open : Output OFF
Load
Vc=2.7V,
R1=2kΩ, R2=500Ω
(Vo=3.3V)
25
20
RL =3.3Ω
15
RL =6.6Ω
10
RL =∞Ω
5
0
0
1
2
3
4
5
6
Input voltage VIN (V)
7
8
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.