PQ1CZ38M2Z Series
PQ1CZ38M2Z Series
SC-63 Surface Mount Type
Chopper Regulator
■ Features
■ Outline Dimensions
2.3±0.5
6.6MAX.
5.2
±0.5
(0.5)
3
(1.7)
5.5±0.5
9.7MAX.
Epoxy resin
1CZ38M
(0 to 0.25)
1. Facsimiles.
2. Printers.
3. Switching power supplies.
1
2
3
1
■ Absolute Maximum Ratings
Parameter
Input voltage
Output adjustment terminal voltage
Dropout voltage
*2
Output-COM voltage
*3
ON/OFF control voltage
Switching current
*4
Power dissipation
*5
Junction temperature
Operating temperature
Storage temperature
*6
Soldering temperature
(0.5)
(Ta=25°C)
Symbol
Rating
Unit
V
40
VIN
V
7
VADJ
V
41
VI-O
V
−1
VOUT
V
−0.3 to +40
VC
A
0.8
ISW
W
8
PD
˚C
150
Tj
−20 to +80
˚C
Topr
−40 to +150
˚C
Tstg
˚C
Tsol
260
2
3
4
5
4
5
(0.9)
+0.2
0.5−0.1
4−(1.27)
■ Applications
*1
(Unit : mm)
2.5MIN.
1. Maximum switching current:0.8A
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 control sequence.
4. Built-in oscillation circuit.
(Oscillation frequency:TYP. 300kHz)
5. Built-in overheat/overcurrent protection function.
6. Variable output voltage.
(Output variable range:VREF to 35V/−VREF to −30V)
[Possible to select step-down output/inverting output according
to external connection circuit]
VIN
VOUT
COM (Common to heat sink)
OADJ
ON/OFF control
∗ ( ) : Typical dimensions
*1 Voltage between VIN terminal and COM terminal
*2 Voltage between VOUT terminal and COM terminal
*3 Voltage between ON/OFF control and COM terminal
*4 PD:With infinite heat sink
*5 Overheat protection may operate at the condition Tj:125˚C to 150˚C
*6 For 10s
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/
PQ1CZ38M2Z Series
■ Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, 5 terminal is open, Ta=25˚C)
Symbol
Conditions
MIN. TYP. MAX. Unit
−
VSAT
ISW=0.5A
0.9
1.5
V
1.26
VREF
1.235
−
V
1.285
∆VREF
−
Tj=0 to 125˚C
−
%
±0.5
−
|RegL|
IO=0.1 to 0.5A
%
0.2
1.5
−
|RegI|
VIN=8 to 35V
%
1
2.5
η
−
IO=0.5A
%
−
80
f0
−
270
330
300
kHz
−
∆f0
Tj=0 to 125˚C
−
±3
%
IL
−
0.85
1.6
1.2
A
ICHG
2 , 4 terminals are open, 5 terminal
−
µA
−10
−
−
VTHL
Duty=0%, 4 terminal=0V, 5 terminal
1.3
−
V
−
VTHH
Duty=100%, 4 terminal=1.1V, 5 terminal
2.1
−
VTH (ON)
4 terminal=0V, 5 terminal
0.7
0.8
0.9
V
−
ISD
VIN=40V, 5 terminal=0V
140
400
µA
−
IQS
VIN=40V, 4 terminal=0V, 5 terminal=0.9V
5
10
mA
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 consumption current
Fig.1 Standard Test Circuit
L
65µH
4
1
ISD
Iqs
IO
VO
2
PQ1CZ38M2Z
A
R2
+
VIN
+
5
3
A
CIN
100µF
ICHG
Load
D
R1
1kΩ
CO
470µF
L : HK-08S070-6500 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
10
Power dissipation PD (W)
PD : With infinite heat sink
5
0
−20
0
20
40
60
80
100
Ambient temperature Ta (°C)
Note) Oblique line prtion:Overheat protection may operate in this area
PQ1CZ38M2Z Series
Fig.3 Block Diagram
2
1
Voltage
regulator
ON/OFF
circuit
5
PWM COMP
+
2
3
4
5
VIN
VOUT
COM (Common to heat sink)
OADJ
ON/OFF control
F/F
–
Q
Oscillation
1
Over current
detecting
circuit
Soft start
–
R
S
−
+
4
ERROR AMP.
Over heat
detecting
circuit
Vref
3
Fig.4 Step Down Type Circuit Diagram (5V output)
L
65µH
4
1
VO 5V
2
PQ1CZ38M2Z
R2
3kΩ
5
+
VIN
8 to 35V
+
3
Load
RS
CIN
100µF
D
CO
470µF
R1
1kΩ
CS
ON/OFF control signal
Fig.5 Polarity Inversion Type Circuit Diagram (-5V output)
L
65µH
4
1
2
PQ1CZ38M2Z
R2
3kΩ
5
+
VIN
5 to 30V
CIN
100µF
+
3
CS
RS
Load
D
CO
2 200µF
R1
1kΩ
ON/OFF control signal
RS≤50kΩ
VO −5V
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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