PQ070XH01Z

Low Power-Loss Voltage Regulators
PQ070XH01Z
PQ070XH01Z
Low Voltage Operation Low Power-loss Voltage Regulator
■
(Unit : mm)
Outline Dimensions
8.4±0.5
13.7MAX.
(0.55)
10.6MAX.
3.28±0.5
070XH01
6
(Heat sink is
common to 3 .)
3.5±0.5
(0.6)
ø2
(2.4)
■
Features
Low voltage operation (Minimum operating voltage: 2.35V)
2.5V input → available 1.5 to 1.8V
● Large output current type (IO: 1A)
● Low dissipation current
(Dissipation current at no load: MAX. 2mA
Output OFF-state dissipation current: MAX. 5µA)
● Low power-loss
● Built-in overcurrent and overheat protection functions
● TO-263 package
PQ070XH01ZZ: Sleeve-packaged product
PQ070XH01ZP: Tape-packaged product
●
Epoxy resin
0 to 0.25
(0.6)
(0.45)
1.05+0.2
–0.1
(0.6)
(0.45)
1.05+0.2
–0.1
+0.2
3–0.9–0.1
4–(1.7)
(0.6)
(1.3)
■
1 2 3 4 5
Applications
1
Peripheral equipment of personal computers
● Power supplies for various electronic equipment such as
DVD player or STB
●
3
Specific IC
2
4
5
1
2
3
4
5
6
(
■
Absolute Maximum Ratings
Parameter
Symbol
Rating
❇1 Input voltage
VIN
10
❇1
VC
10
ON/OFF control terminal voltage
❇1
VADJ
5
Output adjustment terminal voltage
IO
1
Output current
❇2 Power dissipation
PD
35
❇3 Junction temperature
Tj
150
Operating temperature
Topr
−40 to +85
Storage temperature
Tstg
−40 to +150
Tsol
Soldering temperature
260 (10s)
DC input (VIN)
ON/OFF control terminal (VC)
DC output (VO)
Output voltage adjustment (VADJ)
GND
DC output (VO)
) : Typical dimensions
(Ta=25°C)
Unit
V
V
V
A
W
˚C
˚C
˚C
˚C
❇1 All are open except GND and applicable terminals.
❇2 PD:With infinite heat sink
❇3 Overheat protection may operate at 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
■
Electrical Characteristics
PQ070XH01Z
(Unless otherwise specified, condition shall be VIN=5V, VO=3V (R1=1kΩ), IO=0.5A, VC=2.7V, Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
Conditions
Parameter
Input voltage
Output voltage
Reference voltage
Load regulation
Line regulation
Temperature coefficient of reference voltage
Ripple rejection
Dropout voltage
❇4 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
−
−
−
IO=5mA to 1A
VIN=4 to 8V, IO=5mA
Tj=0 to 125˚C, IO=5mA
Refer to Fig.2
VIN=2.85V, IO=0.5A
−
−
IO=0A
IO=0A, VC=0.4V
IO=0A
IO=0A, VC=0.4V
VIN
VO
Vref
RegL
RegI
TCVref
RR
VI-O
VC (ON)
IC (ON)
VC (OFF)
IC (OFF)
Iq
Iqs
2.35
1.5
1.225
−
−
−
45
−
2.0
−
−
−
−
−
1.25
0.2
0.2
±1.0
60
−
−
−
−
−
−
−
1
−
V
V
V
%
%
%
dB
10
7
1.275
2
1
−
−
0.5
−
200
0.8
2
2
5
V
V
µA
V
µA
mA
µA
❇4 In case of opening control terminal 2 , output voltage turns off.
Fig.1 Test Circuit
VIN
VO
3
1
R2
VC
2
4
A
0.33µF
A
Vref
5
IC
IO
+
V
47µF
R1
1kΩ
Iq
A
V
RL
VO =Vref×(1+R2/R1)
[R1=1kΩ, Vref.=.1.25V]
Fig.2 Test Circuit for Ripple Rejection
+
3
1
ei
~
IO
R2
VC
4
2
0.33µF
Vref
5
VIN
2.7V
eo
+
V
~
47µF
R1
1kΩ
RL
f=120Hz(sine wave)
ei(rms)=0.5V
VO=3V(R1=1kΩ)
VIN=5V
IO=0.3A
RR=20log(ei(rms)/eo(rms))
Low Power-Loss Voltage Regulators
Fig.3 Power Dissipation vs. Ambient
Temperature
PQ070XH01Z
Fig.4 Overcurrent Protection
Characteristics
3
40
PD : With infinite heat sink
2.5
30
Output voltage VO (V)
Power dissipation PD (W)
35
25
20
15
2
VIN=4.5V
1.5
VIN=5V
VIN=5.5V
1
VIN=7V
VIN=10V
10
0.5
5
VO=3V
0
−40
0
−20
0
20
40
60
80
0
100
0.5
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.5 Reference Voltage vs. Ambient
Temperature
1.26
1.25
1.245
1.24
1.235
2.5
2
RL=3Ω (IO=1A)
1.5
RL=6Ω (IO=0.5A)
1
RL=∞Ω (IO=0.3A)
0.5
1.23
−50
0
−25
0
25
50
75
100
0
125
Ambient temperature Ta (°C)
3
4
5
0.25
VC=2.7V
Ta=Room temp.
R1=1kΩ
R2=1.4kΩ
(VO=3V)
20 CIN=0.33µF
CO=47µF
RL=3Ω (IO=1A)
Dropout voltage VI-O (V)
0.2
RL=6Ω (IO=0.5A)
RL=∞Ω (IO=0A)
10
0
1
2
Fig.8 Dropout Voltage vs. Junction
Temperature
30
0
1
Input voltage VIN (V)
Fig.7 Circuit Operating Current vs. Input
Voltage
Circuit operating current IBIAS (mA)
2
VC=2.7V
Ta=Room temp.
R1=1kΩ
R2=1.4kΩ
(VO=3V)
CIN=0.33µF
CO=47µF
3
Output voltage VO (V)
Reference voltage Vref (V)
1.255
1.5
Fig.6 Output Voltage vs. Input Voltage
3.5
VIN=4V
IO=0.5A
VC=2.7V
R1=1kΩ
R2=1.4kΩ
1
Output current IO (A)
2
3
Input voltage VIN (V)
4
5
0.15
0.1
VIN:Input voltage shall be the value when output
voltage is 95% in camparison with the initial
value
0.05
IO=0.5A
R2=1.4kΩ
VC=2.7V
(VO=3V)
R1=1kΩ
0
−50 −25
0
25
50
75
100 125
Junction temperature Tj (°C)
Low Power-Loss Voltage Regulators
Fig.9 ON-OFF Threshold Voltage vs.
Ambient Temperature
PQ070XH01Z
Fig.10 Quiescent Current vs. Ambient
Temperature
1.4
VIN=2.5V
IO=0A
1.2
2
Quiescent current Iq (mA)
ON-OFF threshold voltage VTH (ON/OFF) (V)
2.5
1.5
1
1
0.8
0.6
0.5
0.2
0
−50
−25
0
25
50
75
100
0
−50
125
Ambient temperature Ta (°C)
0
25
50
75
70
70
Ripple rejection RR (dB)
65
60
60
50
40
100
0
0.25
0.5
0.75
Output current IO (A)
Fig.13 Power Dissipation vs. Ambient
Temperature
6
Power dissipation PD (W)
4
Cu area 3 600mm2
Cu area 900mm2
3
Cu area 400mm2
2
Cu area 115mm2
PWB
PWB
Cu
1
0
−40
−20
Material
: Glass-cloth epoxy resin
Size
: 60×60×1.6mm
Cu thickness : 65µm
0
20
40
60
Ambient temperature Ta (°C)
125
ei (rms) =0.5V
f=120Hz
VIN=5V
VC=2.7V
CO=47µF
Ta=Room temp.
R1=1kΩ
R2=1.4kΩ
(VO=3V)
55
Input ripple frequency f (kHz)
5
100
65
45
10
75
Fig.12 Ripple Rejection vs. Output Current
75
ei(rms) =0.5V
55 VIN=5V
VC=2.7V
50 IO=0.3A
CO=47µF
45 Ta=Room temp.
R1=1kΩ
40 R2=1.4kΩ
(VO=3V)
35
0.1
1
−25
Ambient temperature Ta (°C)
Fig.11 Ripple Rejection vs. Input Ripple
Frequency
Ripple rejection RR (dB)
VIN=4V
IO=0A
VC=2.7V
R1=1kΩ
R2=1.4kΩ
(VO=3V)
0.4
80
1
Low Power-Loss Voltage Regulators
PQ070XH01Z
Fig.14 Output Voltage Adjustment
Characteristics (Typical Value)
10
R1=1kΩ
9
Output voltage VO (V)
8
7
6
5
4
3
2
1
0
100
1 000
10 000
R2 (Ω)
Fig.15 Typical Application
1
VO
3
R2
VIN
2
CIN
CO
4
+
Load
5
R1
1kΩ
ON/OFF signal
■
High:Output ON



Low or open Output OFF 
Setting of Output Voltage
Output voltage is able to set from 1.5V to 7V when resistors R1 and R2 are attached to ➂, ➃, ➄ terminals. As for the external
resistors to set output voltage, refer to the figure below and Fig.14.
VO
3
R2
−
4
R1
+
5
Vref
VO =Vref×(1+R2/R1)
[R1=1kΩ, Vref.=.1.25V]
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.