PQ1CZ41H2ZSERIES [ETC]
CHOPPER REGULATOR ; 斩波稳压器\n
| 型号： | PQ1CZ41H2ZSERIES |
| 厂家： | 
ETC |
| 描述： | CHOPPER REGULATOR
|
| 文件： | 总4页 (文件大小：78K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Chopper Regulators
PQ1CZ41H2Z
PQ1CZ41H2Z
TO-220 Type Chopper Regulator, built-in 300kHz oscillation circuit
(Unit : mm)
Features
Maximum switching current: 1.5A
Outline Dimensions
ꢀ
ꢀ
ꢁ
ꢁ
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
Built-in oscillation circuit
(Oscillation frequency: TYP. 300kHz)
Built-in overheat protection function, overcurrent protection
function
( ) : Typical dimensions
0.5
6.6MAX.
2.3
0.5
(0.5)
5.2
3
Epoxy resin
(0 to 0.25)
ꢁ
ꢁ
SC-63 Surface Mount Type package
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]
1CZ41H
+0.2
0.5
(0.5)
-0.1
4-(1.27)
Applications
ꢀ
ꢁ
Color TV,STB
1
2
V
IN
OUT
ꢁ
ꢁ
ꢁ
ꢁ
LCD monitors
V
1
2
3
4
5
Facsimiles,plinters and other OA equipment
CD-ROM drives/DVD-ROM drives
Air conditioners
3
4
5
GND (Common to heat sink)
O
ON/OFF control terminal (VC)
adj
Absolute Maximum Ratings
ꢀ
(Ta=25°C)
Parameter
Input voltage
Error input voltage
Input-output voltage
Switching current
Voltage between output and COM
ON/OFF control voltage
Power dissipation
Junction temperature
Operating temperature
Storage temperature
Soldering temperature
Symbol
Rating
40
7
41
1.5
Unit
V
V
V
A
❇1
VIN
Vadj
VI–O
I
SW
❇2
❇3
❇4
❇5
VOUT
–1
V
V
VC
–0.3 to 40
8
150
–20 to +80
–40 to +150
260 (10s)
PD
W
˚C
˚C
˚C
˚C
T
j
T
opr
T
T
stg
sol
❇1 Voltage between V terminal and COM terminal
IN
OUT
❇2 Voltage between V
terminal and COM terminal
❇3 Voltage between ON/OFF control and COM terminal
❇4 P : With infinite heat sink.
D
❇5 Overheat protection may operate at T =125˚C to 150˚C
j
•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
PQ1CZ41H2Z
Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25˚C)
ꢀ
Parameter
Output saturation voltage
Reference voltage
Symbol
Conditions
MIN. TYP. MAX. Unit
ISW=1A
−
Tj=0 to 125˚C
IO=0.2 to 1A
VIN=8 to 35V
IO=1A
V
SAT
−
1.235
−
0.9
1.26
0.5
0.2
1.2
84
1.5
1.285
−
V
V
Vref
∆Vref
|RegL|
|RegI|
η
%
Reference voltage temperature fluctuation
Load regulation
−
−
−
1.5
2.5
−
%
%
Line regulation
%
Efficiency
fO
−
330
270
300
3
kHz
Oscillation frequency
Tj=0 to 125˚C
−
5
terminals is open, terminal
∆fO
IL
−
1.55
−
−
−
−
2.6
−
−
−
0.9
400
12
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
%
A
2.0
−10
1.3
2.3
0.8
140
8
2
4
,
ICHG
VTHL
VTHH
VTH(ON)
ISD
µA
V
4
5
Duty ratio=0%, terminal=0V, terminal
Duty ratio=100%, terminal=1.1V
terminal=0V, terminal
VIN=40V, terminal=0V
VIN=40V, terminal=0V, terminal=0.9V
Input threshold voltage
4
5
terminal
,
V
4
5
0.7
V
ON threshold voltage
Stand-by current
5
−
−
µA
mA
4
5
Output OFF-state dissipation current
IQS
Fig.1 Test Circuit
4
L
IO
65µH
1
2
VO
PQ1CZ41H2Z
ISD
IQS
A
R2
5
+
+
Load
3
VIN
A
D
CIN
CO
470µF
R1
1kΩ
ICHG
100µF
L : HK-08S070-6500 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
PD : With infinite heat sink
10
PD
5
0
–20
0
20
40
60
80 100
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
Chopper Regulators
PQ1CZ41H2Z
Fig.3 Block Diagram
2
5
1
VOUT
VIN
Voltage
regulator
ON/OFF
circuit
ON/OFF control
PWM COMP.
_
+
Q
Overcurrent
detection
circuit
R
F/F
S
4
_ ERROR AMP.
Oadj
+
Vref
Overheat
detection
circuit
3
COM
Fig.4 Step Down Type Circuit Diagram
4
L
65µH
1
2
VO 5V
PQ1CZ41H2Z
5
R2
3kΩ
+
+
Load
3
VIN
RS
CS
D
CIN
CO
8 to 35V
100µF
470µF
R1
1kΩ
ON/OFF control signal
RS≤50kΩ
Fig.5 Polarity Inversion Type Circuit Diagram
4
L
65µH
1
2
PQ1CZ41H2Z
R2
3kΩ
5
+
+
3
Load
VIN
RS
D
CS
CO
CIN
100µF
5 to 30V
2 200µF
R1
1kΩ
VO
−5V
ON/OFF control signal
RS≤50kΩ
NOTICE
G
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.
G
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.
G
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).
G
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.
G
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.
G
Contact and consult with a SHARP representative if there are any questions about the contents of this publication.
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