PQ1CZ21H2ZSERIES [ETC]
CHOPPER REGULATOR ; 斩波稳压器\n
| 型号： | PQ1CZ21H2ZSERIES |
| 厂家： | 
ETC |
| 描述： | CHOPPER REGULATOR
|
| 文件： | 总6页 (文件大小：62K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Chopper Regulators
PQ1CZ21H2Z
PQ1CZ21H2Z
Low Dissipation Current at OFF-state Chopper Regulator
(Unit : mm)
Features
Outline Dimensions
ꢀ
ꢀ
ꢀ
Maximum switching current: 1.5A
ꢀ
ꢀ
Low dissipation current at OFF-state (Iqs: Max. 1mA)
Built-in oscillation circuit
(Oscillation frequency: TYP. 100kHz)
Built-in overheat, overcurrent protection functions
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]
PQ1CZ21H2ZZ: sleeve-packaged product
PQ1CZ21H2ZP: tape-packaged product
6.6MAX.
5.2±0.5
3
2.3±0.5
ꢀ
ꢀ
(0.5)
Epoxy resin
1CZ21H
ꢀ
(0 to 0.25)
+0.2
Applications
0.5
ꢀ
–0.1
(0.5)
ꢀ
4–(1.27)
Facsimiles
ꢀ
ꢀ
Printers
Switching power supplies
1
2
3
4
5
V
IN
VOUT
GND (Common to heat sink)
O
ON/OFF control
ADJ
1
2
3
4
5
Absolute Maximum Ratings
ꢀ
(Ta=25°C)
( ) : Typical dimensions
Parameter
Symbol
Rating
Unit
V
ꢀ1 Input voltage
V
IN
ADJ
I-O
OUT
40
V
Error input voltage
Input-output voltage
V
7
V
V
41
ꢀ2 Output-COM voltage
ꢀ3 ON/OFF control voltage
Switching current
ꢀ4 Power dissipation
ꢀ5 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
V
−1
V
V
VC
−0.3 to +40
A
1.5
8
ISW
W
PD
T
j
˚C
˚C
˚C
˚C
150
Topr
−40 to +85
−40 to +150
260(For 10s)
T
T
stg
sol
ꢀ1 Voltage between V terminal and COM terminal
IN
ꢀ2 Voltage between V
OUT
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 the condition 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
PQ1CZ21H2Z
Electrical Characteristics
ꢀ
(Unless otherwise specified, condition shall be VIN=12V, I
O
=0.2A, V
O
=5V, ON-OFF terminal=2.7V, Ta=25˚C)
Parameter
Output saturation voltage
Reference voltage
Symbol
Conditions
MIN. TYP. MAX. Unit
I
SW=1A
−
0.9
1.5
1.285
−
V
V
VSAT
Vref
1.235
1.26
−
Reference voltage temperature fluctuation
Load regulation
∆Vref
|RegL|
|RegI|
η
T=0 to 125˚C
j
−
−
±0.5
0.1
0.5
82
100
±3
2
%
I
O=0.2 to 1A
1.5
2.5
−
%
Line regulation
V
IN=8 to 35V
−
%
Efficiency
I
O=1A
−
%
Oscillation frequency
f
O
−
120
−
80
−
kHz
Tj=0 to 125˚C
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
∆f
O
%
A
No L, C, D
I
L
1.55
0.8
−
2.6
2
4
5
terminal=0V, terminal
V
TH(ON)
C (ON)
C (OFF)
SD
qs
1.5
−
V
5
terminal=2.7V
terminal=0.4V
ON-state current for control
OFF-state current for control
Stand-by current
I
200
2
µA
µA
µA
mA
5
I
−
−
5
IN=40V, terminal=0V
V
I
−
−
1
4
V
IN=40V, terminal=3V
Output OFF-state dissipation current
I
−
8
12
Fig.1 Test Circuit
ꢀ
L
IO
210µH
ꢀ
ꢀ
VO
PQ1CZ21H2Z
ISD
Iqs
A
R2
ꢀ
+
+
Load
ꢀ
VIN
CO
A
IC (ON)
D
CIN
470µF
IC (OFF)
100µF
R1
1kΩ
ON/OFF control logic
L : HK-14D100-2110 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
5 pin
LOW
HIGH
OPEN
Output
OFF
ON
OFF
Fig.2 Power Dissipation vs. Ambient
Fig.3 Overcurrent Protection
Temperature
Characteristics (Typical value)
7
10
Ta=25°C
6
5
4
3
2
V
V
IN=12V
PD : With infinite heat sink
8
5
O
=5V
1
0
0
0
0.5
1
1.5
2
2.5
3
3.5
4
–40 –20
0
20
40
60
8085
Output current I
O
(A)
Ambient temperature T
a
(°C)
Note) Oblique line portion:Overheat protection may operate in this area
Chopper Regulators
PQ1CZ21H2Z
Fig.4 Efficiency vs. Input Voltage
Fig.5 Output Saturation Voltage vs.
Switching Current
100
1.2
V
O
=12V, I
O
=1A
Tj=25°C
Tj=25°C
V
O
=12V, I
O
=0.2A
1
90
80
70
0.8
0.6
0.4
V
O
=5V, I =1A
O
V
O
=5V, I
O=0.2A
60
50
0.2
0
0
10
20
30
40
0
0.5
1
1.5
2
Input voltage VIN (V)
Switching current ISW (A)
Fig.6 Reference Voltage Fluctuation vs.
Fig.7 Load Regulation vs. Output Current
Junction Temperature
2
1
V
V
IN=12V
O=5V
Tj=25˚C
V
IN=12V
VO
=5V
1
0
0.5
0
–1
–2
–0.5
–50 –25
0
25 50 75 100 125
(°C)
0
0.2
0.4
0.6
0.8
(A)
1
1.2
Junction temperature T
j
Output current I
O
Fig.8 Line Regulation vs. Input Voltage
Fig.9 Oscillation Frequency Fluctuation vs.
Junction Temperature
2
1
V
V
IN=12V
O=5V
0
–2
–4
–6
0.5
0
Tj=25°C
V
O
=5V
–8
I
O=0.2A
–0.5
–10
0
5
10 15 20 25 30 35 40
Input voltage VIN (V)
–50 –25
0
25 50 75 100 125
Junction temperature T (°C)
j
Chopper Regulators
PQ1CZ21H2Z
Fig.10 Overcurrent Detecting Level
Fig.11 ON Threshold Voltage vs. Junction
Fluctuation vs. Junction Temperature
Temperature
2
6
4
V
IN=12V
1.5
1
2
0
–2
–4
0.5
0
–6
–8
–50 –25
0
25 50 75 100 125 150
–50 –25
0
25 50 75 100 125
(°C)
Junction temperature Tj (°C)
Junction temperature T
j
Fig.12 Operating Dissipation Current vs.
Input Voltage
10
T
j
=25°C
V
O
=5V
9
8
7
IO=1A
IO=0.2A
No load
6
5
0
10
20
30
40
Input voltage VIN (V)
Fig.13 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Cu area 740mm2
2
Cu area 180mm2
Cu area 100mm2
PWB
PWB
Cu
Cu area 70mm2
1
Cu area 36mm2
Material
Size
: Glass-cloth epoxy resin
: 50×50×1.6mm
0
–40 –20
Cu thickness : 35µm
0
20
40
60
8085
Ambient temperature T
a
(°C)
Chopper Regulators
PQ1CZ21H2Z
Fig.14 Block Diagram
1
2
Voltage regulator
PWM COMP.
_
+
ON/
OFF
5
F/F
Q
S
ERROR AMP.
R
OSC.
Overcurrent
detection circuit
_
4
1
VIN
VOUT
+
2
3
GND (Common to heat sink)
Oadj
ON/OFF control
Vref
4
5
Overheat
detection circuit
3
Fig.15 Step Down Type Circuit Diagram (5V output)
4
L
210µH
1
2
VO 5V
PQ1CZ21H2Z
5
R2
3kΩ
+
+
Load
3
VIN
D
CIN
CO
8 to 35V
100µF
470µF
R1
1kΩ
ON/OFF control signal
Fig.16 Polarity Inversion Type Circuit Diagram (-5V output)
4
L
130µH
2
5
1
PQ1CZ21H2Z
R2
3kΩ
+
+
Load
3
VIN
D
CO
CIN
5 to 30V
100µF
2200µF
R1
1kΩ
VO
−5V
ON/OFF control signal
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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