PQ1CG21H [SHARP]
Chopper Regulator;
| 型号： | PQ1CG21H |
| 厂家： | 
SHARP ELECTRIONIC COMPONENTS |
| 描述： | Chopper Regulator |
| 文件： | 总3页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Under development
New product
PQ1CG21H2FZ
PQ1CG21H2RZ
Chopper Regulator
TO-220 Type Chopper Regulator
Outline Dimensions
PQ1CG21H2FZ
(Unit: mm)
General Description
4.5±0.2
φ3.2±0.1
Sharp's chopper regulator PQ1CG21H2FZ/PQ1CG21H2RZ
of TO-220 package uses PWM method.
10.2 MAX
2.8±0.2
It is suitable for the applications of large voltage difference
between input and output and applications of negative power
supply thank to its low heat loss.
PQ1CG21H
(0.5)
(1.5)
5−0.8±0.1
Features
(1) Maximum switching current: 1.5 A
(2) Built-in ON/OFF control function
(3) Built-in soft start function to suppress overshoot of
output voltage in power on sequence or ON/OFF
controll sequence.
(5.0)
8.2±0.7
4−(1.7)
3.2±0.5
The dimension in ( ) indicates
the reference dimensions.
Terminal No.
VIN
1
VOUT
2
3
4
5
(4) Built-in oscillation circuit
COM
1
2
4
3
5
Oadj
(Oscillation frequency : TYP. 100 kHz)
(5) Built-in overheat/overcurrent protection function
(6) TO-220 package
ON/OFF
PQ1CG21H2RZ
4.5±0.2
φ3.2±0.1
10.2 MAX
2.8±0.2
(7) Variable output voltage
(Output variable range : 1.26 to 35 V/-1.26 to -30 V)
[Possible to choose step-down output/inversing output
according to external connection circuit]
(8) PQ1CG21H2FZ : Zigzag forming
PQ1CG21H2RZ : Self-stand forming
PQ1CG21H
(1.5)
Applications
5−0.8±0.1
(1) Switching power supplies
(2) Facsimiles, printers and other OA equipment
(3) Color TVs and video CDs
4−(1.7)
4.7±0.6
4.7±0.6
2.6±0.5
(4) Personal computers and amusement equipment
The dimension in ( ) indicates
the reference dimensions.
Terminal No.
VIN
1
VOUT
2
3
4
5
COM
1
2
4
3
5
Oadj
ON/OFF
(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.
• Specifications are subject to change without notice for improvement.
(Internet)
• Data for Sharp's optoelectronic/power devices is provided on internet. ( Address http://www.sharp.co.jp/ecg/)
Tec. PW990302-A
76
PQ1CG21H2FZ
PQ1CG21H2RZ
Chopper Regulator
Absolute Maximum Ratings
(Ta=25˚C)
Parameter
*1 Input voltage
Symbol
VIN
Rating
Unit
V
40
Vadj
Output adjustment terminal voltage
Dropout voltage
7
41
V
VI-O
Vout
Vc
V
*2 Output-COM voltage
*3 ON/OFF control voltage
Switching current
−1
V
−0.3 to 40
1.5
V
Isw
A
Pd1
Pd2
Tj
1.4
W
W
˚C
˚C
˚C
˚C
*4 Power disspation
14
*5 Junction temperature
Operating temperature
Storage temperature
150
Topr
Tstg
Tsol
−20 to +80
−40 to +150
260(For 10s)
Soldering temperature
*1 Voltage between V and COM
*2 Voltage between Vout and COM
*3 Voltage between ON/OFF and COM
*4 P: No heat sink P: With infinite heat sink.
*5 Overheat protector may operate for Tj=125 to 150˚C.
Electrical Characteristics
(Vin=12 V, Io=0.5 A, Terminal No. 5 open and Ta=25˚C unless otherwise specified)
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load requlation
Symbol
Vsat
Conditions
MIN.
TYP.
1.0
1.26
±0.5
0.2
0.5
84
MAX.
1.5
1.285
−
Unit
V
Isw=1A
−
1.235
−
Vref
−
Tj=0 to 125˚C
V
∆Vref
%
RegL
RegI
η
Io=0.2 to 1A
−
1.5
2.5
−
%
Line requlation
Vin=8 to 35V
−
%
Efficiency
Io=1A
−
%
fo
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detection level
Charge current
−
80
−
1.55
−
100
±2
120
−
2.6
−
kHz
%
A
Tj=0 to 125˚C
∆fo
IL
−
2.0
−10
1.3
2.3
0.8
140
8
ICHG
VTHL
VTHH
VTHON
ISD
Terminals 2/4 are open, Terminal 5
Duty=0% Terminal 4 = 0 V, Terminal 5
Duty=100%, Terminal 4 is open, Terminal 5
Terminal 4 = 0 V, Terminal 5
Vin=40V,Terminal 5 = 0 V=0V
Vin=40V,Terminal 5 = 0 V=0.9V
µA
V
−
−
Input threshold voltage
−
−
V
ON threshold voltage
Standby current
0.7
−
0.9
400
12
V
µA
mA
IQS
Output OFF-state consumption current
−
Step-down output circuit diagram
Inversing output circuit diagram
PQ1CG21H2FZ/PQ1CG21H2RZ
PQ1CG21H2FZ/PQ1CG21H2RZ
VIN
Vo
Vo
VIN
1
2
1
2
R1
R2
R2
5
5
4
Overcurrent
4
Overcurrent
ON/OFF
control
ON/OFF
control
protective circuit
protective circuit
R
1
Overheat
Oscillation
circuit
Overheat
Oscillation
circuit
Control circuit
Control circuit
protective circuit
protective circuit
GND
3
3
GND
GND
GND
Vo=Vref✕(1+R2/R1)
Vo=1.26V~ 35V
(Vref=1.26V)
Vo= –Vref✕(1+R2/R1)
Vo= –1.26V ~ –30V
(Vref=1.26V)
Here, the upper limit of the absolute value is restricted by 40V-Vi.
Here, the upper limit is restricted by Vin-Vsat value.
As of March 1999
Tec. PW990302-A
77
Application Circuits
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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