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English3A恒定输出电流效率高达95%固定380KHz频率3.6V至28V输入电压CXSD62244内置频率补偿单片降压开关模式稳压器
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7.相关产品
产品概述 返回TOP
The CXSD62244 is a 380 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 3A 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 CXSD62244 serves as ideal power supply units for portable devices.
产品特点 返回TOP
* 3A Constant Output Current
* 80mΩ RDSON Internal Power PMOSFET Switch
* Up to 95% Efficiency
* Fixed 380KHz Frequency
* Wide 3.6V to 28V Input Voltage Range
* Output Adjustable from 1.222V to 26V
* 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
技术规格书（产品PDF) 返回TOP
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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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