CXSD62248是一个52千赫固定频率单片降压开关模式稳压器，内置一个内部功率MOSFET。它在宽的输入电源范围内获得2.5A的连续输出电流，具有良好的负载和线路调节。该装置包括电压基准源、振荡电路、误差放大器、内部PMOS等，PWM控制电路能将占空比从0线性调整到100%。内置使能功能、过流保护功能和短路保护功能。
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产品概述 返回TOP
The CXSD62248 is a 52 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 2.5A 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 CXSD62248 serves as ideal power supply units for portable devices.
产品特点 返回TOP
* 2.5A Constant Output Current
* 80mΩ RDSON Internal Power PMOSFET Switch
* Up to 95% Efficiency
* Fixed 52KHz Frequency
* Wide 3.6V to 32V Input Voltage Range
* Output Adjustable from0.8V 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
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
相关芯片选择指南 返回TOP 更多同类产品......
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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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