Ceramate CP10325.0N Chopper regulator Datasheet

CP1032
Chopper Regulators
■
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
●
Sleeve-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]
■
Applications
LCD monitors
Car navigation systems
● Switching power supplies
●
●
■
Absolute Maximum Ratings
(Ta=25°C)
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
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
Unit
V
V
V
V
V
A
W
˚C
˚C
˚C
˚C
•Please refer to the chapter " Handling Precautions ".
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
CP1032
Chopper Regulators
■
Electrical Characteristics
(CP1032-ADJ)
(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
(CP1032-5.0V)
Parameter
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
Efficiency
Oscillator Frequency
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
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1⎧F, Ta=25°C)
Symbol
Conditions
Test circuit of Figure2
Output Voltage
−
1.235
VOUT
η
fosc
MIM.
TYP.
MAX.
Unit.
4.9
5.0
5.1
V
0.5≦ILOAD≦3A
Test circuit of Figure2
0.5≦ILOAD≦3A
8V≦VIN≦40V
4.8
5.0
5.2
V
-40℃≦TJ≦125℃
Test circuit of Figure2
8V≦VIN≦40V
4.75
5.0
5.25
V
ILOAD=3A
80
135
150
%
165
kHz
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 2 of 12
Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
CP1032
Chopper Regulators
„ Order Information
Package
TO-263-5
TO-220-5
Part Number
Packing Type
Marking
CP1032 ADJ
Tape/Tube
CP1032 ADJ
CP1032 5.0
Tape/Tube
CP1032 5.0
CP1032 ADJ N
Tape/Tube
CP1032 ADJ
CP1032 5.0 N
Tape/Tube
CP1032 5.0
CP1032 XXX X X
Blank: Tube
A: Taping Reel
Blank: TO-263-5
N: TO-220-5
ADJ
5.0V
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
„ Connection Diagrams
(1) Vin
(2) Vout
(3) COM (Common to heat sink)
(4) Oadj
(5) Vsoft
(TO-263-5)
(1) Vin
(2) Vout
(3) COM (Common to heat sink)
(4) Oadj
(5) Vsoft
(TO-220-5)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 4 of 12
Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
Fig.1 Test Circuit
4
1
CP1032-ADJ
I SD
I QS
L
45 H
2
Io
5
R2
A
3
A
D
V IN
1000 F
220 F
5 terminal
LOW
HIGH
OPEN
LOAD
Co
C IN
I CHG
R1
1K
Vo output
OFF
ON
ON
Fig.2 Test Circuit
4
1
CP1032-5.0
I SD
I QS
A
L
45 H
2
Io
5
3
A
V IN
C IN
5 terminal
LOW
HIGH
OPEN
Vo output
OFF
ON
ON
220 F
D
Co
LOAD
1000 F
I CHG
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
Fig.3 Power Dissipation vs. Ambient
Temperature
Fig.4 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.5 Efficiency vs. Input Voltage
100
Tj=25°C
2.5
3
3.5
4
4.5
5
Fig.6 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.8 Reference Voltage Fluctuation vs.
Junction Temperature
15
No load
1.5
Output saturation voltage VSAT (V)
Fig.7 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
100
125
Junction temperature Tj (°C)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
Fig.9 Load Regulation vs. Output Current
Fig.10 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.11 Oscillation Frequency Fluctuation vs.
Junction Temperature
Fig.12 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.13 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.14 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
100
125
Junction temperature Tj (°C)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
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Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
Fig.15 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Power dissipation PD (W)
Cu area 3 600mm2
2
Cu area 900mm2
Cu area 400mm2
1
Cu area 115mm2
PWB
PWB
Cu
0
−20
0
25
50
75
Material
: Glass-cloth epoxy resin
Size
: 60×60×1.6mm
Cu thickness : 65µm
85
Ambient temperature Ta (°C)
Fig.16 Block Diagram
VIN
1
Voltage regulator
F/F
Q
5
Vsoft
4
OADJ
Soft start
circuit
ERROR AMP.
_
+
R
S
Ocsillation circuit
Overheat
detection circuit
Vout
ON/OFF circuit
_ PWM COMP.
+
Overcurrent
detection circuit
2
_
+
Vref
VS'
3
COM
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 8 of 12
Rev 1.1 Aug.31, 2004
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CP1032
Chopper Regulators
Fig.17 Step Down Type Circuit Diagram
4
1
L
45 H
2
CP1032-ADJ
Vo 5V
5
R2
3K
Rs
3
D
V IN
8 to 35V
Cs
LOAD
Co
C IN
1000 F
220 F
R1
1K
Rs 50K
ON/OFF control signal
Fig.18 Polarity Inversion Type Circuit Diagram
4
1
L
65 H
2
CP1032-ADJ
5
R2
3K
Rs
3
D
V IN
5 to 30V
Cs
220 F
LOAD
Co
C IN
2200 F
R1
1K
ON/OFF control signal
Vo -5V
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 9 of 12
Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.19 Step Down Type Circuit Diagram
4
1
L
45 H
2
CP1032-5.0
Vo 5V
5
Rs
3
D
V IN
8 to 35V
Cs
LOAD
Co
C IN
1000 F
220 F
Rs 50K
ON/OFF control signal
Fig.20 Polarity Inversion Type Circuit Diagram
4
1
L
65 H
2
CP1032-5.0
5
Rs
3
D
V IN
5 to 30V
Cs
LOAD
Co
C IN
1000 F
220 F
ON/OFF control signal
Vo -5V
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 10 of 12
Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
CP1032
Chopper Regulators
„ Physical Dimensions inch(millimeters)
(TO-263-5)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 11 of 12
Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
CP1032
Chopper Regulators
(TO-220-5)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: [email protected]
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 12 of 12
Rev 1.1 Aug.31, 2004
Fax:886-3-3521052
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