SHARP PQ1CG21H2FZ_01

Chopper Regulators
PQ1CG21H2FZ/PQ1CG21H2RZ
PQ1CG21H2FZ/PQ1CG21H2RZ
TO-220 Type Chopper Regulators
■
(Unit : mm)
Outline Dimensions
PQ1CG21H2FZ
4.5±0.2
3.6±0.2
(1.5)
10.2MAX.
(6.8)
7.4±0.2
2.8±0.2
(2.0)
5.0±0.5
PQ1CG21H
Epoxy resin
16.4±0.7
ø3.2±0.1
(0.5)
(1.5)
5–0.8±0.1
4.4MIN.
Features
Maximum switching current: 1.5A
● 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. 100kHz)
● Built-in overheat, overcurrent protection functions
● TO-220 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]
● PQ1CG21H2FZ: Zigzag forming
PQ1CG21H2RZ: Self-stand forming
●
(24.6)
■
4–(1.7)
3.2±0.5
(5.0)
8.2
±0.7
VIN
VOUT
3 COM
4 OADJ
5 ON/OFF
) : Typical dimensions
1
2
Applications
Switching power supplies
Facsimiles, printers and other OA equipment
● Color TVs and video CDs
● Personal computers and amusement equipment
●
1
●
5
(
4.5±0.2
3.6±0.2
(1.5)
7.4
2.8±0.2
❇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.
ø3.2±0.1
PQ1CG21H
Epoxy resin
(3.6)
(1.7)
0.8±0.1
6.0
±0.5
Unit
V
V
V
V
V
A
W
W
˚C
˚C
˚C
˚C
(11.4)
(Ta=25°C)
Parameter
Symbol
Rating
❇1 Input voltage
VIN
40
VADJ
7
Error input voltage
VI-O
41
Input-output voltage
❇2
VOUT
−1
Output − COM voltage
❇3
VC
ON/OFF control voltage
−0.3 to +40
1.5
Switching current
ISW
PD1
1.4
❇4 Power dissipation
PD2
14
❇5 Junction temperature
Tj
150
Operating temperature
Topr
−20 to +80
Storage temperature
Tstg
−40 to +150
Tsol
Soldering temperature
260 (10s)
Notice
4
±0.2
Absolute Maximum Ratings
3
(6.8)
(24.6)
■
2
PQ1CG21H2RZ
10.2MAX.
(2.2)
■
(0.5)
4.7±0.6 4.7±0.6
4–(1.7)
2.6±0.5
1
2
3
4
1
2
3
4
5
5
(
VIN
VOUT
COM
OADJ
ON/OFF
) : Typical dimensions
•Please refer to the chapter " Handling Precautions ".
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
■
PQ1CG21H2FZ/PQ1CG21H2RZ
Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open, Ta=25˚C)
MIN. TYP. MAX. Unit
Symbol
Conditions
Parameter
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
VSAT
Vref
∆Vref
|RegL|
|RegI|
η
fO
∆fO
IL
ICHG
VTHL
VTHH
VTH(ON)
ISD
IQS
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Stand-by current
Output OFF-state dissipation current
ISW=1A
−
Tj=0 to 125˚C
IO=0.2 to 1A
VIN=8 to 35V
IO=1A
−
Tj=0 to 125˚C
−
2 , 4 terminals is open, 5 terminal
Duty ratio=0%, 4 terminal=0V, 5 terminal
Duty ratio=100%, 4 terminals is open, 5 terminal
4 terminal=0V, 5 terminal
VIN=40V, 5 terminal=0V
VIN=40V, 5 terminal=0.9V
−
1.235
1.0
1.26
1.5
1.285
−
−
−
−
80
−
1.55
−
−
−
0.7
−
−
±0.5
0.2
0.5
84
100
±2
2.0
−10
1.3
2.3
0.8
140
8
−
1.5
2.5
−
120
−
2.6
−
−
−
0.9
400
12
V
V
%
%
%
%
kHz
%
A
µA
V
V
V
µA
mA
Fig.1 Test Circuit
4
L
210µH
1
ISD
IQS
IO
VO
2
PQ1CG21H2
A
R2
5
+
+
Load
3
VIN
A
CIN
100µF
D
ICHG
CO
470µF
R1
1kΩ
L : HK-14S100-2110 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Fig.2 Power Dissipation vs. Ambient
Temperature
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
20
6
Ta=25°C
VIN=12V
VO=5V
15
PD2 : With infinite heat sink
Output voltage VO (V)
Power dissipation PD (W)
5
10
4
3
2
5
1
PD1 : No heat sink
0
−20
0
0
20
40
60
80
100
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area
0
1
2
Output current IO (A)
3
4
Chopper Regulators
PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.4 Efficiency vs. Input Voltage
Fig.5 Output Saturation Voltage vs.
Switching Current
1.4
100
VO=12V, IO=1A
VO=12V, IO=0.2A
Tj=25°C
Output saturation voltage VSAT (V)
Tj=25°C
Efficiency η (%)
90
80
VO=5V, IO=1A
70
VO=5V, IO=0.2A
60
1.2
1
0.8
0.6
0.4
0.2
0
50
5
15
25
35
0
45
0.5
Fig.6 Stand-by Current vs. Intput Voltage
2
2
Reference voltage fluctuation (%)
200
Stand−by current ISD (µA)
1.5
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
250
150
100
50
0
5
10
15
20
25
30
35
VIN=12V
VO=5V
1
0
−1
−2
−20
0
40
0
20
40
60
80
100
120
Junction temperature Tj (°C)
Intput voltage VIN (V)
Fig.8 Load Regulation vs. Output Current
Fig.9 Line Regulation vs. Input Voltage
1.5
1
Tj=25°C
VO=5V
IO=0.2A
Tj=25°C
VIN=12V
VO=5V
Line regulation RegI (%)
Load regulation RegL(%)
1
Switching current ISW (A)
Input voltage VIN (V)
0.5
0
1
0.5
0
−0.5
−0.5
0
0.2
0.4
0.6
0.8
Output current IO (A)
1
1.2
5
10
15
20
25
30
Input voltage VIN (V)
35
40
Chopper Regulators
PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
6
VIN=12V
VO=5V
Overcurrent detecting level fluctuation (%)
Oscillation frequency fluctuation (%)
2
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
0
−2
−4
−6
−8
−10
−20
0
20
40
60
80
100
4
2
0
−2
−4
−6
−8
−20
120
20
40
60
100
120
10
3
VTH(H)
2.5
2
VTH(L)
1.5
1
0.5
VTH(ON)
−25
Tj=25°C
VO=5V
VIN=12V
9
IO=1A
8
7
IO=0.2A
6
No load
5
0
25
50
75
100
125
150
0
10
Junction temperature Tj (°C)
20
Input voltage VIN (V)
Fig.14 Block Diagram
VIN
Voltage
regulator
2
VOUT
5
ON/OFF
4
VADJ
ON/OFF
circuit
PWM COMP.
+
Overcurrent
detection
circuit
Q
R
S
F/F
Soft start
_
Oscillator
1
80
Fig.13 Operating Dissipation Current vs.
Input Voltage
Operating dissipation current IQ' (mA)
Threshold voltage VTH (ON) ,VTH (L) ,VTH (H) (V)
Fig.12 Threshold Voltage vs. Junction
Temperature
0
−50
0
Junction temperature Tj (°C)
Junction temperature Tj (°C)
_
ERROR AMP.
+
Vref
Overheat
detection
circuit
3
COM
30
40
Chopper Regulators
PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.15 Step Down Type Circuit Diagram
4
1
L
210µH
VO 5V
2
PQ1CG21H2
5
R2
3kΩ
+
VIN
8 to 35V
3
CS
CIN
100µF
RS
+
Load
D
CO
470µF
R1
1kΩ
RS≤50kΩ
ON/OFF control signal
Fig.16 Polarity Inversion Type Circuit Diagram
4
1
L
130µH
2
PQ1CG21H2
R2
3kΩ
5
+
VIN
5 to 30V
3
CIN
100µF
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.