来源：本站整理 作者：佚名 2011-08-14 07:09:08
ADI公司的ADP2323是集成了90 mΩ的高边MOSFET的双输出3A 20V同步降压电源稳压器,输入电压4.5V-20V,输出精度±1%,具有的输出配置,双路输出3A/3A,并联单输出6A,可编程开关频率250kHz到1.2MHz,主要用在通信基础设备,网络和服务器,工业和仪表,医疗保健,DC/DC POL应用等.本文介绍了ADP2323主要特性, 功能方框图,以及多种应用电路.
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图1.ADP2323功能方框图
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图2.ADP2323采用外接MOSFET的应用电路图: VIN1 = VIN2 = 12 V, VOUT1 = 1.2 V, IOUT1 = 3 A, VOUT2 = 3.3 V, IOUT2 = 3 A, fSW = 500 kHz
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图3.ADP2323采用外接二极管的应用电路图:VIN1 = VIN2 = 12 V, VOUT1 = 5 V, IOUT1 = 2 A, VOUT2 = 3.3 V, IOUT2 = 1.5 A, fSW = 600 kHz
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图4.ADP2323并联单输出应用电路图:IN = 12 V, VOUT = 1.8 V, IOUT = 6 A, fSW = 600 kHz
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