Chopper Regulators
PQ1CZ41H2Z
PQ1CZ41H2Z
TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit
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Features
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Outline Dimensions
(Unit : mm)
Maximum switching current: 1.5A
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Built-in ON/OFF control function
Built-in soft start function to suppress overshoot of output
voltage in power on sequence or ON/OFF control sequence
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Built-in oscillation circuit
(Oscillation frequency: TYP. 300kHz)
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Built-in overheat protection function, overcurrent protection
function
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SC-63 Surface Mount Type package
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Variable output voltage
(Output variable range: Vref to 35V/–Vref to –30V)
[Possible to select step-down output/inversing output
according to external connection circuit]
( ) : Typical dimensions
6.6
MAX.
5.2
±0.5
3
Epoxy resin
5.5
±0.5
9.7
MAX.
2.3
±0.5
(0.5)
1CZ41H
(1.7)
2.5
MIN.
(0 to 0.25)
0.5
+0.2
- 0.1
4-(1.27)
(0.5)
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Applications
1
Color TV,STB
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LCD monitors
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Facsimiles,plinters and other OA equipment
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CD-ROM drives/DVD-ROM drives
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Air conditioners
1
2
3
4
5
2
3
4
5
V
IN
V
OUT
GND (Common to heat sink)
O
adj
ON/OFF control terminal (V
C
)
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❇1
Absolute Maximum Ratings
Symbol
Parameter
V
IN
Input voltage
V
adj
Error input voltage
V
I
–
O
Input-output voltage
I
SW
Switching current
V
OUT
Voltage between output and COM
V
C
ON/OFF control voltage
P
D
Power dissipation
T
j
Junction temperature
T
opr
Operating temperature
T
stg
Storage temperature
T
sol
Soldering temperature
(Ta=25°C)
Rating
Unit
40
7
41
1.5
–1
–0.3 to 40
8
150
–20 to +80
–40 to +150
260 (10s)
V
V
V
A
V
V
W
˚C
˚C
˚C
˚C
❇2
❇3
❇4
❇5
❇1
Voltage between V
IN
terminal and COM terminal
❇2
Voltage between V
OUT
terminal and COM terminal
❇3
Voltage between ON/OFF control and COM terminal
❇4
P
D
: With infinite heat sink.
❇5
Overheat protection may operate at T
j
=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/
(0.9)
Chopper Regulators
PQ1CZ41H2Z
(Unless otherwise specified, condition shall be V
IN
=12V,
I
O
=0.2A,
V
O
=5V,
ON-OFF terminals is open,
Ta=25˚C)
Symbol
V
SAT
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Electrical Characteristics
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
V
ref
∆V
ref
|R
eg
L|
|R
eg
I|
η
f
O
∆f
O
I
L
I
CHG
V
THL
V
THH
V
TH(ON)
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SD
I
QS
MIN.
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SW
=1A
−
1.235
−
T
j
=0
to 125˚C
−
I
O
=0.2
to 1A
−
V
IN
=8
to 35V
−
I
O
=1A
−
−
270
T
j
=0
to 125˚C
−
−
1.55
2
,
4
terminals is open,
5
terminal
−
Duty ratio=0%,
4
terminal=0V,
5
terminal
−
4
terminal=1.1V,
5
terminal
Duty ratio=100%,
−
4
terminal=0V,
5
terminal
0.7
V
IN
=40V,
5
terminal=0V
−
V
IN
=40V,
4
terminal=0V,
5
terminal=0.9V
−
Conditions
TYP.
0.9
1.26
MAX.
1.5
1.285
±0.5
0.2
1.2
84
300
±3
2.0
−10
1.3
2.3
0.8
140
8
−
1.5
2.5
−
330
−
2.6
−
−
−
0.9
400
12
Unit
V
V
%
%
%
%
kHz
%
A
µA
V
V
V
µA
mA
Fig.1 Test Circuit
4
1
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SD
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QS
PQ1CZ41H2Z
5
+
V
IN
3
C
IN
100µF
A
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CHG
D
R
1
1kΩ
C
O
470µF
R
2
+
Load
2
L
65µH
I
O
V
O
A
L : HK-08S070-6500 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
P
D
: With infinite heat sink
10
Power dissipation P
D
(W)
P
D
5
0
–20
0
20
40
60
80
Ambient temperature T
a
(°C)
100
Note) Oblique line portion:Overheat protection may operate in this area
NOTICE
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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).
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If the SHARP devices listed in this publication fall within the scope of strategic products described in the Foreign
Exchange and Foreign Trade 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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