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English80mΩ RDSON内部电源PMOSFET开关2A恒定输出电流CXSD62245单片降压开关模式稳压器效率高达95%固定380KHz频率
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产品概述 返回TOP
The CXSD62245 is a 380 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 2A continuous output current over a wide input supply range with excellent load and line regulation. The device includes a voltage reference, oscillation circuit, error amplifier, internal PMOS and etc. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function and a short circuit protection function are built inside. An internal compensation block is built in to minimize external component count. The CXSD62245 serves as ideal power supply units for portable devices.
产品特点 返回TOP
* 2A Constant Output Current
* 80mΩ RDSON Internal Power PMOSFET Switch
* Up to 95% Efficiency
* Fixed 380KHz Frequency
* Wide 3.6V to 32V Input Voltage Range
* Output Adjustable from 1.222V to 30V
* Built in Frequency Compensation
* Built in Thermal Shutdown Function
* Built in Current Limit Function
* SOP-8 Package is Available
* The minimum dropout up to 0.3V
应用范围 返回TOP
* Portable DVD
* LCD Monitor / TV
* Battery Charger
* ADSL Modem
* Telecom / Networking Equipment
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产品封装图 返回TOP
电路原理图 返回TOP
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PWM Buck Converter(Non-synchronous) |
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Part No. |
Input Voltage |
Output Voltage |
Current MAX |
Frequency |
Efficiency |
Package |
Precision |
OCP |
OTP |
SP |
|
20V |
ADJ |
2A |
380KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
45V |
3.3V/5V/ADJ |
3A |
150KHZ |
90% |
TO220/263 |
3% |
Y |
Y |
Y |
|
|
56V |
5V/ADJ |
3A |
150KHZ |
90% |
TO220/263 |
3% |
Y |
Y |
Y |
|
|
45V |
ADJ |
3A |
150KHZ |
90% |
TO252 |
3% |
Y |
Y |
Y |
|
|
45V |
ADJ |
2A |
150KHZ |
90% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
20V |
ADJ |
2A |
380KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
28V |
ADJ |
3A |
380KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
32V |
ADJ |
2A |
380KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
40V |
ADJ |
1.8A |
150KHZ |
90% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
45V |
3.3V/5V/ADJ |
3A |
52KHZ |
75% |
TO220/263 |
3% |
Y |
Y |
Y |
|
|
32V |
ADJ |
2.5A |
52KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
32V |
ADJ |
2.2A |
52KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
32V |
ADJ |
2.2A |
380KHZ |
95% |
SOP8 |
3% |
Y |
Y |
Y |
|
|
23V |
ADJ |
5A |
240KHZ |
95% |
TO263 |
3% |
Y |
Y |
Y |
|
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