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零件编号 | CP1032 | ||
描述 | Chopper Regulators | ||
制造商 | Ceramate Technical | ||
LOGO | |||
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CP1032
Chopper Regulators
s Features
q Maximum switching current: 3.5A
q Built-in ON/OFF control function
q Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence
q Built-in oscillation circuit (Oscillation frequency: TYP. 150kHz)
q Built-in overheat protection function, overcurrent shut-down function
q Sleeve-packaged product
q 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]
s Applications
q LCD monitors
q Car navigation systems
q Switching power supplies
s Absolute Maximum Ratings
(Ta=25°C)
Parameter
Symbol Rating
❇1 Input voltage
VIN 40
Error input voltage VADJ 7
Input-output voltage
VI-O
41
❇2 Output − COM voltage VOUT
−1
❇3 Vsoft terminal voltage
Vsoft −0.3 to +40
Switching current
ISW 3.5
❇4 Power dissipation
PD 35
❇5 Junction temperature
Tj
150
Operating temperature
Topr −20 to +85
Storage temperature
Tstg −40 to +150
Soldering temperature
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
Tel:886-3-3214525
Fax:886-3-3521052
Page 1 of 12
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.1 Aug.31, 2004
CP1032
Chopper Regulators
Fig.15 Power Dissipation vs. Ambient
Temperature (Typical Value)
3
Cu area 3 600mm2
2 Cu area 900mm2
Cu area 400mm2
Cu area 115mm2
1
0
−20 0
25 50 75 85
Ambient temperature Ta (°C)
PWB
PWB
Cu
Material : Glass-cloth epoxy resin
Size : 60×60×1.6mm
Cu thickness : 65µm
Fig.16 Block Diagram
VIN 1
Voltage regulator
ON/OFF circuit
Overcurrent
detection circuit
Overheat
detection circuit
F/F Q
R
S
_ PWM COMP.
+
Soft start
circuit
ERROR AMP.
_
+
Ocsillation circuit
Vref
_
+
VS'
3
COM
2 Vout
5 Vsoft
4 OADJ
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:886-3-3214525
Fax:886-3-3521052
Page 8 of 12
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.1 Aug.31, 2004
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页数 | 12 页 | ||
下载 | [ CP1032.PDF 数据手册 ] |
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