Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ
PQ1CG21H2FZ/PQ1CG21H2RZ
TO-220 Type Chopper Regulators
■ Outline Dimensions (Unit : mm)
■ 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
■ Applications
● Switching power supplies
● Facsimiles, printers and other OA equipment
● Color TVs and video CDs
● Personal computers and amusement equipment
■ Absolute Maximum Ratings
•Please refer to the chapter " Handling Precautions ".
Parameter Symbol Rating Unit
Input voltage 40 V
1.5 A
1.4
7
41
−1
V
V
V
W
V
−0.3 to +40
Switching current
150 ˚C
−20 to +80 ˚C
Junction temperature
Input-output voltage
Output − COM voltage
Error input voltage V
IN
V
I-O
V
OUT
V
C
V
ADJ
I
SW
T
j
(Ta=25°C)
Operating temperature
Storage temperature
Soldering temperature
T
opr
−40 to +150 ˚C
T
stg
260 (10s) ˚C
T
sol
❇2
❇1
❇5
Power dissipation P
D1
14 WP
D2
❇4
❇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.
ON/OFF control voltage
❇3
PQ1CG21H
(6.8)
4–(1.7) (5.0)
(1.5)
(0.5)
(2.0)
(24.6)
10.2MAX.
4.4MIN.
3.6±0.2
ø3.2±0.1
4.5±0.2
2.8±0.2
5.0±0.5
16.4±0.7
7.4±0.2
(1.5)
5–0.8±0.1
3.2±0.5
8.2±0.7
1 2 3 4 5
1
2
3
VIN
VOUT
COM
4
5
OADJ
ON/OFF
Epoxy resin
PQ1CG21H2FZ
( ) : Typical dimensions
PQ1CG21H
ø3.2
±0.1
(6.8)
4–(1.7)
(1.7)
(2.2)
(24.6)
10.2
MAX.
(11.4)(3.6)
3.6
±0.2
4.5
±0.2
2.8
±0.2
6.0
±0.5
7.4
±0.2
(1.5)
0.8
±0.1
4.7
±0.6
4.7
±0.6
2.6
±0.5
1
2
3
V
IN
V
OUT
COM
4
5
O
ADJ
ON/OFF
12345
Epoxy resin
(0.5)
PQ1CG21H2RZ
( ) : Typical dimensions
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 PQ1CG21H2FZ/PQ1CG21H2RZ
■ Electrical Characteristics
Parameter Symbol Conditions
V
SAT
V
ref
∆V
ref
|R
eg
L|
|R
eg
I|
η
f
O
I
L
Unit
MAX.TYP.
MIN.
−
−
−
−
−
−
−
−−
1.235
80
0.7 0.8 0.9
1.55
I
SW
=1A
−
T
j
=0 to 125˚C
I
O
=0.2 to 1A
V
IN
=8 to 35V
I
O
=1A
−
1.0
1.26
±0.5
0.2
0.5
84
100
±2
2.0
1.5
1.285
1.5
2.5
120
2.6
(Unless otherwise specified, condition shall be VIN=12V, IO=0.2A, VO=5V, ON-OFF terminals is open,
Ta=25˚C)
V
V
%
%
%
%
kHz
%
V
−140 400 µA
−812mA
A
Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency
Oscillation frequency temperature fluctuation
Overcurrent detecting level
ON threshold voltage
Stand-by current
Output OFF-state dissipation current V
IN
=40V, terminal=0.9V
Duty ratio=100%, terminals is open, terminal
terminal=0V, terminal
V
IN
=40V, terminal=0V
∆f
O
T
j
=0 to 125˚C
−
I
CHG
−
−
−
−10 −µA
1.3 −V
2.3 −V
Charge current
V
TH(ON)
Input threshold voltage
Duty ratio=0%, terminal=0V, terminal
V
THH
, terminals is open, terminal
V
THL
I
SD
I
QS
42 5
54
54
4 5
5
5
Fig.2 Power Dissipation vs. Ambient
Temperature Fig.3 Overcurrent Protection
Characteristics (Typical Value)
Fig.1 Test Circuit
L
DLoad
PQ1CG21H2
R1
R2
IO
ISD
IQS
ICHG
VO
CO
+
CIN
VIN
+
210µH
470µF
100µF1kΩ
A
VIN
A
A
L : HK-14S100-2110 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
12
5
3
4
Power dissipation PD (W)
0
5
10
15
20
−200 20406080100
PD2 : With infinite heat sink
PD1 : No heat sink
Ambient temperature Ta (°C)
Note
)
Obli
q
ue line
p
ortion:Overheat
p
rotection ma
y
o
p
erate in this area
Output voltage V
O
(V)
Output current I
O
(A)
0
1
2
3
4
5
6
01234
T
a
=25°C
V
IN
=12V
V
O
=5V
Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.4 Efficiency vs. Input Voltage Fig.5 Output Saturation Voltage vs.
Switching Current
Fig.6 Stand-by Current vs. Intput Voltage Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
Fig.8 Load Regulation vs. Output Current Fig.9 Line Regulation vs. Input Voltage
Efficiency η
(%)
Input voltage V
IN
(V)
50
60
70
80
90
100
5 15253545
T
j
=25°C
V
O
=12V, I
O
=1A
V
O
=12V, I
O
=0.2A
V
O
=5V, I
O
=1A
V
O
=5V, I
O
=0.2A
Output saturation voltage V
SAT
(V)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 0.5 1 1.5 2
Switching current I
SW
(A)
T
j
=25°C
Stand−by current ISD (µA)
0
50
100
150
200
250
0 5 10 15 20 25 30 4035
Intput voltage VIN (V)
Reference voltage fluctuation (%)
−2
−1
0
1
2
−20 0 20 40 60 80 100 120
Junction temperature Tj (°C)
VIN=12V
VO=5V
Load regulation R
eg
L(%)
Output current I
O
(A)
0
0.5
1
0 0.2 0.4 0.6 0.8 1 1.2
−0.5
T
j
=25°C
V
IN
=12V
V
O
=5V
Line regulation R
eg
I
(%)
Input voltage V
IN
(V)
−0.5
0
0.5
1
1.5
5 10152025303540
T
j
=25°C
V
O
=5V
I
O
=0.2A
Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
Fig.12 Threshold Voltage vs. Junction
Temperature Fig.13 Operating Dissipation Current vs.
Input Voltage
Fig.14 Block Diagram
Oscillation frequency fluctuation (%)
−10
−8
−6
−4
−2
0
2
−20 0 20 40 60 80 100 120
Junction temperature T
j
(°C)
V
IN
=12V
V
O
=5V
Overcurrent detecting level fluctuation (%)
−8
−6
−4
−2
0
2
4
6
−20
Junction temperature T
j
(°C)
0 20406080100120
Threshold voltage V
TH (ON) ,
V
TH (L) ,
V
TH (H)
(V)
0
0.5
1
1.5
2
2.5
3
−50 0 50 100 150−25 25 75 125
Junction temperature T
j
(°C)
V
IN
=12V
V
TH(L)
V
TH(H)
V
TH(ON)
Operating dissipation current I
Q
' (mA)
Input voltage V
IN
(V)
5
6
7
8
9
10
0 10203040
T
j
=25°C
V
O
=5V
I
O
=0.2A
No load
I
O
=1A
Voltage
regulator
Overcurrent
detection
circuit
Overheat
detection
circuit
ON/OFF
circuit
Q
R
S
F/F
Oscillator
Soft start
2
5
4
1
3COM
PWM COMP.
VIN VOUT
ON/OFF
VADJ
Vref
_
+
_
+
ERROR AMP.
Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ
Fig.15 Step Down Type Circuit Diagram
Fig.16 Polarity Inversion Type Circuit Diagram
12
L
D
5
3
4
PQ1CG21H2
R
1
R
S
R
2
V
O
5V
C
O
C
IN
C
S
V
IN
+ +
210µH
470µF
100µF
8 to 35V
3kΩ
1kΩ
ON/OFF control signal R
S
≤50kΩ
Load
12
L
D
5
3
4
PQ1CG21H2
R
1
R
2
C
O
+
C
IN
V
IN
V
O
−5V
+
130µH
2 200µF
100µF
5 to 30V
3kΩ
1kΩ
R
S
C
S
ON/OFF control signal R
S
≤50kΩ
Load
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.