300mA Low-Noise LDO Without Bypass CapacitorCXLD64245/A是低静态电流、低噪声LDO稳压器,无需噪声旁路电容。该芯片具有高输出精度、超低压差、超低静态电流、高PSRR和快速启动等性能

发布时间:2020-04-06 09:43:38 浏览次数:722 作者:嘉泰姆
摘要:300mA Low-Noise LDO Without Bypass CapacitorCXLD64245/A是低静态电流、低噪声LDO稳压器,无需噪声旁路电容。该芯片具有高输出精度、超低压差、超低静态电流、高PSRR和快速启动等性能

目录

1.产品概述       2.产品特点     dhu嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)</span>dhu嘉泰姆

5.产品封装       6.电路原理图</strong>  dhu嘉泰姆

7.相关产品dhu嘉泰姆

   产品概述 返回TOPdhu嘉泰姆

CXLD64245/A是低静态电流、低噪声LDO稳压器,无需噪声旁路电容。该芯片具有高输出精度、超低压差、超低静态电流、高PSRR和快速启动等性能。</span>CXLD64245/A在没有噪声旁路电容就能输出很低的噪声,非常适合于RF应用,尤其是适合于手持式和电池供电的设备,</span>CXLD64245提供使能控制引脚,引脚电压和TTL逻辑兼容,当使能关断芯片时,静态电流小于1uA,大大降低了待机功耗。另外关键的特性还包括有输出电流限制、过温关断及快速瞬态响应等。</span>CXLD64245/A采用陶瓷电容就可以稳定的工作,采用SOT23-3或SOT23-5小面积封装,可以大大节省电路板的面积。</span>CXLD64245/A提供1.2V至3.6V各种输出电压版本The CXLD64245/A is an efficient CMOS low dropout (LDO) voltage regulator optimized for ultra-low-noise applications. It offers high output accuracy, extremely low dropout voltage, low ground current and fast start-up time. The CXLD64245/A provides a very low noise output without a bypass capacitor, ideal for RF applications where a clean supply voltage source is required. Specifically designed for handheld and battery-powered devices, the CXLD64245/A provides a TTL-logic-compatible enable pin. When theCXLD64245/A is disabled, power consumption drops nearly to zero. Key features include current limit, thermal shutdown and faster transient response. The CXLD64245A works with low-ESR ceramic capacitors. Available in the SOT23-3 or SOT23-5 space saving package which reduces the amount of board space necessary for power applications. TheCXLD64245A offers wide fixed output voltage versions.

   产品特点 返回TOPdhu嘉泰姆


• 2.5V to 5.5V输入电压范围dhu嘉泰姆

• 30μV(rms)输出噪声电压dhu嘉泰姆

• 低压差200mV @300mAdhu嘉泰姆

• 高PSRR 70dB@1kHzdhu嘉泰姆

• 30uA超低静态电流</p>

• 保证300mA输出电流dhu嘉泰姆

• 输出采用陶瓷电容就可稳定工作dhu嘉泰姆

• 优质的负载和电源瞬态响应</p>

• 过温关断和电流限制保护</p>

• 1.2V至3.6V范围50mV步进的输出电压</p>

• 节省空间的SOT23-3 & SOT23-5封装dhu嘉泰姆

• 符合RoHS规范及100% Pb-Freedhu嘉泰姆

z 2.5V to 5.5V Input Voltage Range dhu嘉泰姆

z 30μV(rms) Output Noise dhu嘉泰姆

z 200mV Dropout @ 300mA dhu嘉泰姆

z 70dB PSRR at 1kHz No Bypass Capacitor dhu嘉泰姆

z Low 30μA Ground Current dhu嘉泰姆

z Guaranteed 300mA Output Current dhu嘉泰姆

z Stable with a 1μF Ceramic Output Capacitor When VOUT ≥ 1.5V, or 2.2μF when VOUT<1.5V dhu嘉泰姆

z Excellent Load/Line Transient dhu嘉泰姆

z Thermal Shutdown and Current Limit Protection dhu嘉泰姆

z Available 1.2V to 3.6V fixed output voltages (50mV increments) dhu嘉泰姆

z Space-Saving SOT23-3 & SOT23-5 Package dhu嘉泰姆

z RoHS Compliant and 100% Lead (Pb)-Free
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   应用范围 返回TOPdhu嘉泰姆


• 蜂窝式电话</span>dhu嘉泰姆

• 相机模组dhu嘉泰姆

• PDA和掌上型电脑dhu嘉泰姆

• 个人消费电子产品dhu嘉泰姆

z Cellular Phones dhu嘉泰姆

z Camera Modules dhu嘉泰姆

z PDA and Palmtop Computers dhu嘉泰姆

z Consumer/Personal Electronicsdhu嘉泰姆

   技术规格书(产品PDF) 返回TOP dhu嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持</span>!</span>
dhu嘉泰姆

 QQ截图20160419174301.jpgdhu嘉泰姆

产品封装图&nbsp;返回TOPdhu嘉泰姆


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电路原理图&nbsp;返回TOPdhu嘉泰姆

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