PQ1CY1032Z - datasheets

Chopper Regulators
PQ1CY1032Z
PQ1CY1032Z
TO-263 Surface Mount Type Chopper Regulator
■
■
Features
Maximum switching current: 3.5A
● 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. 150kHz)
● Built-in overheat protection function, overcurrent shut-down
function
● TO-263 package
● PQ1CY1032ZZ: Sleeve-packaged product
PQ1CY1032ZP: Tape-packaged product
● 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]
(Unit : mm)
Outline Dimensions
●
■
2
3
LCD monitors
● Car navigation systems
● Switching power supplies
4
5
(
Symbol
Rating
VIN
40
VADJ
7
VI-O
41
VOUT
−1
Vsoft
−0.3 to +40
3.5
ISW
35
PD
Tj
150
Topr
−20 to +85
Tstg
−40 to +150
Tsol
260 (10s)
❇1 Voltage between VIN terminal and COM terminal
❇2 Voltage between VOUT terminal and COM terminal
❇3 Voltage between VSOFT terminal and COM terminal
❇4 PD:With infinite heat sink
❇5 Overheat protection may operate at Tj=125˚C to 150˚C
Notice
(2.4)
±2
Epoxy resin
3–0.9+0.2
–0.1
4–(1.7)
(0.6)
(1.3)
(0.45)
1.05+0.2
–0.1
(0.6)
(0.45)
1.05+0.2
–0.1
1 2 3 4 5
1
Parameter
❇1 Input voltage
Error input voltage
Input-output voltage
❇2
Output − COM voltage
❇3
Vsoft terminal voltage
Switching current
❇4 Power dissipation
❇5 Junction temperature
Operating temperature
Storage temperature
Soldering temperature
1CY1032
(0.6)
(0 to 0.25)
Applications
Absolute Maximum Ratings
3.5±0.5
3.28±0.5
(0.6)
●
■
8.4±0.5
13.7MAX.
(0.55)
10.6MAX.
VIN
VOUT
COM (Common to heat sink)
Oadj
Vsoft
) : Typical dimensions
(Ta=25°C)
Unit
V
V
V
V
V
A
W
˚C
˚C
˚C
˚C
•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
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PQ1CY1032Z
Electrical Characteristics
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1µF, 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
Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current
Input threshold voltage
ON threshold voltage
Overcurrent shutdown threshold voltage
Stand-by current
Output OFF-state dissipation current
VSAT
Vref
∆Vref
|RegL|
|RegI|
η
fO
∆fO
IL
ICHG
VTHL
VTHH
VTH(ON)
VTHIL
ISD
IQS
ISW=3A
−
Tj=0 to 125˚C
IO=0.5 to 3A
VIN=8 to 35V
IO=3A
−
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
5 terminal
VIN=40V, 5 terminal=0V
VIN=40V, 5 terminal=0.9V
−
1.235
1.4
1.26
1.8
1.285
−
−
−
−
135
−
3.6
−
−
−
0.7
3.8
−
−
±0.5
0.2
1
80
150
±2
4.2
−10
1.3
2.3
0.8
4.6
140
8
−
1.5
2.5
−
165
−
5.8
−
−
−
0.9
5.5
400
16
V
V
%
%
%
%
kHz
%
A
µA
V
V
V
V
µA
mA
Fig.1 Test Circuit
4
1
ISD
IQS
L
45µH
IO
VO
2
PQ1CY1032Z
A
R2
5
+
VIN
+
3
CIN
220µF
Load
A
D
ICHG
5 terminal
LOW
HIGH
OPEN
VO output
OFF
ON
ON
CO
1 000µF
R1
1kΩ
L : HK-10S100-4500 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)
Chopper Regulators
PQ1CY1032Z
Fig.2 Power Dissipation vs. Ambient
Temperature
Fig.3 Overcurrent Protection
Characteristics (Typical Value)
6
40
PD : With infinite heat sink
5
30
Output voltage VO (V)
Power dissipation PD (W)
35
25
20
15
4
Shutdown operating
3
2
10
Ta=25°C
VIN=12V
VO=5V
1
5
0
−20
0
0
25
50
75 85
0
0.5
1
1.5
Ambient temperature Ta (°C)
Note) Oblique line portion:Overheat protection may operate in this area.
Fig.4 Efficiency vs. Input Voltage
100
Tj=25°C
2.5
3
3.5
4
4.5
5
Fig.5 Switching Current vs. Output
Saturation Voltage
4
VO=12V, IO=1A
VO=12V, IO=3A
2
Output current IO (A)
Tj=25°C
3.5
Switching current ISW (A)
Efficiency η (%)
90
80
VO=5V, IO=1A
VO=5V, IO=3A
70
3
2.5
2
1.5
1
60
0.5
50
0
0
5
10
15
20
25
30
35
40
0
Input voltage VIN (V)
0.5
0.75
1
1.25
1.5
Reference voltage fluctuation (%)
Tj=25°C
VO=5V
IO=3A
10
IO=1A
5
0
0
5
10
15
20
25
Input voltage VIN (V)
1.75
2
Fig.7 Reference Voltage Fluctuation vs.
Junction Temperature
15
No load
1.5
Output saturation voltage VSAT (V)
Fig.6 Operating Dissipation Current vs.
Input Voltage
Operating disspation current IQ' (mA)
0.25
30
35
40
VIN=12V
VO=5V
1
0.5
0
−0.5
−1
−1.5
−25
0
25
50
75
Junction temperature Tj (°C)
100
125
Chopper Regulators
PQ1CY1032Z
Fig.8 Load Regulation vs. Output Current
Fig.9 Line Regulation vs. Input Voltage
1.5
1.5
1
Line regulation RegI (%)
Load regulation RegL (%)
Tj=25˚C
VIN=12V
VO=5V
0.5
0
1
0.5
0
Tj=25°C
VO=5V
IO=0.5A
−0.5
−0.5
0
0.5
1
1.5
2
2.5
0
3
5
10
15
20
25
30
35
40
Output current IO (A)
Input voltage VIN (V)
Fig.10 Oscillation Frequency Fluctuation vs.
Junction Temperature
Fig.11 Overcurrent Detecting Level
Fluctuation vs. Junction Temperature
8
VIN=12V
VO=5V
Overcurrent detecting level fluctuation (%)
Oscillation frequency fluctuation (%)
6
4
2
0
−2
−4
−6
−25
0
25
50
75
100
6
4
2
0
−2
−4
−6
−8
−25
125
0
Fig.12 On Threshold Voltage vs. Junction
Temperature
VIN=12V
VTHH
2
VTHL
1.5
1
VTH (ON)
0.5
0
−25
0
25
50
75
Junction temperature Tj (°C)
50
75
100
125
100
Fig.13 Overcurrent Shutdown Threshold
Voltage vs. Junction Temperature
Overcurrent shutdown threshold voltage VTHIL (V)
Threshold voltage VTH (ON), VTHL, VTHH (V)
3
2.5
25
Junction temperature Tj (°C)
Junction temperature Tj (°C)
125
6
VIN=12V
5.5
5
4.5
4
3.5
3
−25
0
25
50
75
Junction temperature Tj (°C)
100
125
Chopper Regulators
PQ1CY1032Z
Fig.14 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Power dissipation PD (W)
Cu area 3 600mm2
2
Cu area 900mm2
PWB
Cu area 400mm2
PWB
Cu area 115mm2
1
0
−20
Cu
Material
: Glass-cloth epoxy resin
Size
: 60×60×1.6mm
Cu thickness : 65µm
0
25
50
75
85
Ambient temperature Ta (°C)
Fig.15 Block Diagram
VIN
1
_ PWM COMP.
+
F/F
Vout
5
Vsoft
4
OADJ
ON/OFF circuit
Voltage regulator
Q
Soft start
circuit
ERROR AMP.
_
+
R
Overcurrent
detection circuit
2
S
Vref
Ocsillation circuit
Overheat
detection circuit
_
+
VS'
3
COM
Fig.16 Step Down Type Circuit Diagram
4
L
45µH
1
VO 5V
2
PQ1CY1032Z
5
+
VIN
8 to 35V
+
RS
3
CIN
220µF
R2
3kΩ
CS
Load
D
CO
1 000µF
R1
1kΩ
ON/OFF control signal
RS≤50kΩ
Chopper Regulators
PQ1CY1032Z
Fig.17 Polarity Inversion Type Circuit Diagram
L
65µH
4
1
2
PQ1CY1032Z
R2
3kΩ
5
+
VIN
5 to 30V
CIN
220µF
+
RS
3
CS
Load
CO
2 200µF
D
R1
1kΩ
ON/OFF control signal
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.
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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.
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