CXSD6255 is a 380KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator
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7.相关产品
产品概述
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The CXSD6255 is a 380KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function is built inside. When short protection function happens, the operation frequency will be reduced from 380KHz to 80KHz. An internal compensation block is built in to minimize external component count
产品特点
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„ Wide 3.6V to 18V Input Voltage Range
„ Output Adjustable from 0.8V to 16V
„ Maximum Duty Cycle 100%
„ Minimum Drop Out 0.6V
„ Fixed 380KHz Switching Frequency
„ 2A Constant Output Current Capability
„ Internal Optimize Power MOSFET
„ High efficiency
„ Excellent line and load regulation
„ TTL shutdown capability
„ EN pin with hysteresis function
„ Built in thermal shutdown function
„ Built in current limit function
„ Built in output short protection function
„ Available in SOP8L package
应用范围
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„ LCD Monitor and LCD TV
„ Digital Photo Frame
„ Set-up Box
„ ADSL Modem
„ Telecom / Networking Equipment
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产品封装图
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电路原理图
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相关芯片选择指南
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降压型直流电源变换器芯片(高效率型) |
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产品型号 |
输入电压 |
开关电流 |
开关频率 |
电压版本 |
封装类型 |
|
3.6V ~ 18V |
2A |
380KHz |
Adj (1.222V) |
SOP8L |
|
|
3.6V ~ 23V |
3A |
380KHz |
Adj (1.222V) |
SOP8L |
|
|
3.6V ~ 18V |
2A |
380KHz |
Adj (0.8V) |
SOP8L |
|
|
3.6V ~ 18V |
3A |
380KHz |
Adj (0.8V) |
SOP8L |
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