PQ2CF1_01 [SHARP]
TO-220 Package, Step Up Output Chopper Regulator; TO- 220封装，加大输出斩波稳压器
| 型号： | PQ2CF1_01 |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | TO-220 Package, Step Up Output Chopper Regulator |
| 文件： | 总5页 (文件大小：75K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Chopper Regulators
PQ2CF1
PQ2CF1
TO-220 Package, Step Up Output Chopper Regulator
(Unit : mm)
ꢀꢀꢀOutline Dimensions
ꢀ
ꢀꢀꢀFeatures
Maximum switching current: 2.5A
Built-in soft start function
Built-in oscillation circuit
ꢀ
ꢀ
ꢀ
ꢀ
4.5±0.2
10.2MAX
2.8±0.2
φ3.2±0.1
(oscillation frequency: TYP. 50kHz)
Built-in overheat protection,overcurrent protection
function
Variable output voltage(4.5 to 35V)
[Possible to choose step up output / flyback method
according to external connection circuit]
ꢀ
ꢀ
PQ2CF1
(1.5)
(0.5)
5–0.8±0.1
4–(1.7)
3.2=0.5
(5.0)
8.2±0.7
ꢀꢀꢀApplications
ꢀ
ꢀ
Personal computers / Word processors
ꢀ
ꢀ
ꢀ
Printers
Switching power supplies
Facsimiles
• ( ) : Typical value
• Radius of lead forming
portion : R=TYP.1.0
1
2 3 4 5
1
VSW
2
3
4
5
VIN
COM
VC
OADJ
ꢀꢀꢀAbsolute Maximum Ratings
ꢀ
(Ta=25˚C)
Parameter
Symbol
Rating
35
35
7
7
2.5
Unit
V
V
V
V
ꢀ1
Input voltage
V
IN
SW
ADJ
ꢀ2
ꢀ3
Switching voltage
V
V
Error input voltage
ON/OFF control voltage
Switching current
V
C
I
SW
A
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
P
P
T
D1
D2
1.5
15
150
W
W
˚C
˚C
˚C
˚C
ꢀ4
j
T
opr
–20 to +80
–40 to +150
260 (For 10s)
T
T
stg
sol
Soldering temperature
ꢀ1
ꢀ2
ꢀ3
ꢀ4
Voltage between VIN terminal and COM terminal
Voltage between VSW terminal and COM terminal
Voltage between V
C terminal and COM terminal
Overheat protection may operate at 125<=Tj<=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/
Chopper Regulators
PQ2CF1
ꢀꢀꢀElectrical Characteristics
ꢀ
(Unless otherwise specified, conditions shall be VIN=5V,Io=0.2A,Vo=12V, T =25˚C)
a
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Symbol
Conditions
MIN.
––
TYP.
0.6
MAX.
1.2
Unit
V
I
SW=2A
V
V
SAT
ref
ref
––
1.235
––
––
1.26
±0.5
0.1
1.285
––
1.5
V
%
%
T =0 to 125˚C
j
∆
V
|
|
|
|
I
O
=70 to 570mA
R
R
eg
L
I
Line regulation
Efficiency
V
I
IN=3.5 to 10V
eg
––
––
0.2
85
1.5
––
%
%
O
=0.5A
η
Oscillation frequency
Oscillation frequency temperature fluctuation
Maximum duty
––
fo
fo
40
––
90
50
±5
––
60
––
––
kHz
%
%
T
j
=0 to 125˚C
∆
5
terminal is open
D
MAX
Over current detecting level
Charge current 1
Charge current 2
Input threshold voltage
Vc terminal low level voltage
Vc terminal high level voltage
On threshold voltage
Duty=50%,
I
L
2.7
–80
–150
0.55
1.65
0.3
0.1
4.4
5.8
A
4
4
terminal=0V,
terminal=0.5V, terminal
terminal
I
I
CHG1
CHG2
THL
CH
CL
THON
–50
–100
0.75
1.85
0.45
0.2
–20
–50
0.95
2.05
0.6
µA
µA
V
V
V
4
4
4
Duty=0%, terminal
V
1
1
1
5
terminal is open,
terminal is open,
terminal=1.1V
terminal=1.4V
terminal
V
5
V
4
terminal is open,
V
0.3
V
4
V
IN=35V, terminal=0V,No L,C
O
,
Stand-by current
I
SD
––
––
270
4.0
400
12
µA
D,R
1
,R
IN=35V, terminal=0.5V,No L,
,D,R ,R
2
4
V
C
Output OFF-state dissipation current
I
q
S
mA
O
1
2
ꢀꢀꢀBlock Diagram
ꢀ
V
2
IN
Vsw
1
F/F
Q
R
Voltage
regulator
Amp.
S
circuit
+
Oscillator
–
+
5
OADJ
COMP.
Error amp.
Vref
Overheat
protection
circuit
Low voltage
malfunction
Overcurrent
protection
circuit
ON/OFF
circuit
Soft start
prevention circuit
4
3
VC
COM
Fig. 1 Test Circuit
Fig. 2 Power Dissipation vs. Ambient
Temperature
L
I
O
20
D
VO
90µH
P
D1 :No heat sink
I
I
SD
QS
P
D2 :With infinite heat sink
2
1
A
R
R
2
+
+
PD2
C
IN
PQ2CF1
4
1kΩ
3
15
10
5
V
IN
100µF
1
C
O
0.047µF
1kΩ
3
470µF
L : HK-12S100-9000 (made by Toho Co.)
D : ERC80-004 (made by Fuji electronics Co.)
PD1
0
–20
0
20
40
60
80
100
Ambient temperature T
a
(˚C)
Note) Oblique line portion : Overheat protection may operate in this area.
Chopper Regulators
PQ2CF1
Fig. 3 Overcurrent Protection Characteristics
Fig. 4 Efficiency vs. Input Voltage
100
90
80
70
60
50
40
30
15
V
IN=5V
Vo=12V
C
IN=100µF
Co=470µF
L=90µH
10
5
V
IN=5V
20
10
Vo=12V
0
0
0.5
1
1.5
2
2.5
3
3.5
0
100
200
300
400
500
Output current Io (mA)
Output current Io (A)
Fig. 5 Reference Voltage Fluctuation vs.
Fig. 6 Load Regulation vs. Output current
Junction Temperature
1
0.5
CIN=100µF, Co=470µF
L=90µH, VIN=5V
C
IN=100µF, Co=470µF
0.4
L=90µH, VIN=5V
Vo=12V, Io=0.2A
C=0.47µF, R=1kΩ
Vo=12V, C=0.47µF
R=1kΩ
0.3
0.2
0.5
0
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.5
–1
–25
0
25
50
75
100 125
(˚C)
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7
Output current Io (A)
Junction temperature T
j
Fig. 7 Line Regulation vs. Input Voltage
Fig. 8 Oscillation Frequency Fluctuation vs.
Junction Temperature
10
1
C
IN=100µF, Co=470µF
L=90µH, Io=0.2A,
C=0.47µF, R=1kΩ
5
0
0.5
0
Vo=12V
–5
Vo=24V
C
IN=100µF, Co=470µF
–10
L=90µH, VIN=5V
Vo=12V, Io=0.2A
C=1µF, R=1kΩ
–0.5
–15
0
5
10
15
20
–25
0
25
50
75
100 125
(˚C)
Input voltage VIN (V)
Junction temperature T
j
Chopper Regulators
PQ2CF1
Fig. 9 Threshold Voltage vs. Junction
Temperature
1
0.9
0.8
V
THL
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
TH(ON)
–25
0
25 50 75 100 125 150
Junction temperature T (˚C)
j
ꢀ Step - Up Type Circuit Diagram (12V Output)
L
IO
D
VO12V
90µH
C
IN
R
2
2
1
100µF
8.56kΩ
+
+
4
5
V
IN
1kΩ
R
1
5V
C
O
0.47µF
1kΩ
3
470µF
ON/OFF control
ꢀ Flyback Method Circuit Diagram
I
O
D
VO
C
IN
100µF
R
2
2
1
+
+
V
IN
4
5
1k
Ω
C
O
R
1
0.47µF
470µF
1kΩ
3
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.
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