CXCH7671是为便携式射频和无线应用而设计的，具有苛刻的性能和空间要求。CXCH7671性能针对电池供电系统进行了优化，以提供超低噪音和低静态电流。噪声旁路引脚可用于进一步降低输出噪声。稳压器接地电流仅在下降时略微增加，进一步延长电池寿命。CXCH7671还与低ESR陶瓷电容器一起工作，减少了电源应用所需的板空间，这在手持无线设备中非常重要。CXCH7671在关机模式下功耗小于0.01μA，快速开启时间小于50μs，其他特性包括超低的压降、高输出精度、限流保护和高纹波抑制比。
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[ CXCH7671 ]
目录
产品概述 返回TOP
The CXCH7671 is designed for portable RF and wireless applications with demanding performance and space requirements. The CXCH7671 performance is optimized for battery-powered systems to deliver ultra low noise and low quiescent current. A noise bypass pin is available for further reduction of output noise. Regulator ground current increases only slightly in dropout, further prolonging the battery life. The CXCH7671 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in hand-held wireless devices. The CXCH7671 consumes less than 0.01μA in shutdown mode and has fast turn-on time less than 50μs. The other features include ultra low dropout voltage, high output accuracy, current limiting protection, and high ripple rejection ratio. Available in the 5-lead of SC-70, SOT-23 and WDFN-6L 2x2 packages
产品特点 返回TOP
¾ Ultra-Low-Noise for RF Application
¾ Ultra-Fast Response in Line/Load Transient
¾ Quick Start-Up (Typically 50μs)
¾ < 0.01μA Standby Current When Shutdown
¾ Wide Operating Voltage Ranges : 2.5V to 5.5V
¾ TTL-Logic-Controlled Shutdown Input
¾ Low Temperature Coefficient
¾ Current Limiting Protection
¾ Thermal Shutdown Protection
¾ Only 1μF Output Capacitor Required for Stability
¾ High Power Supply Rejection Ratio
¾ Custom Voltage Available
¾ ROHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
¾CDMA/GSM Cellular Handsets
¾ Battery-Powered Equipment
¾ Laptop, Palmtops, Notebook Computers
¾ Hand-Held Instruments
¾ PCMCIA Cards
¾ Portable Information Appliances
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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电源管理类>电源管理系列 |
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型号 |
Vin |
Vout |
Iout |
效率 |
适用范围 |
封装 |
|
3.3~5.5V |
20V |
1.2A |
90 |
白光LED驱动、数码相机、LCD偏置输、OLED偏置 |
SOT23-5L |
|
|
6V |
1.5~6.5V |
90 |
移动电话、PDA、便携式通讯设备等 |
SOT23-5 |
||
|
2~6V |
ADJ |
800mA~2A |
96 |
手机、数码相机、微处理器和DSP内核供、无线电和DSL调制解调 |
SOT23-5 |
|
|
2~6V |
ADJ |
1.5A |
96 |
手机、数码相机、微处理器和DSP内核供、无线电和DSL调制解调 |
TSOT-26 |
|
|
2~6V |
1.2V~5.0V |
500mA |
96 |
手机、无绳电话设备、照相机、蓝牙及其他射频产品 |
SOT23-5 |
|
|
9V |
1.5V~5.0V |
500mA |
96 |
手机、无绳电话设备、照相机、蓝牙及其他射频产品 |
SOT23-5 |
|
|
2~7.0V |
ADJ |
800mA |
96 |
电脑主板，数码相机，电子礼品 |
SOT-223 |
|
|
2~6.0V |
ADJ |
300mA |
90 |
MP3、PDA、电子词典、电子学习机、DSC、LCD 显示屏、射频标签 |
SOT23-6 |
|
|
2~6.0V |
1.5V~5.0V |
150mA |
90 |
摄像头，U盘 |
SOT23-3 |
|
|
2~6.0V |
1.5~5.0V |
250mA |
90 |
摄像头，U盘 |
SOT-89 |
|
|
2~6.0V |
1.5~5.0V |
250mA |
90 |
便携/手掌式计算机;无绳电话设备;电池供电系统等 |
SOT-23 |
|
|
2~6.5V |
-2.5~2.5V |
300mA |
90 |
手机，摄像头 |
SOT23-5 |
|
|
2.5~5.5V |
-2~2V |
400mA |
90 |
摄像头，USB，U盘，电子礼品 |
SOT23-5 |
|
|
4.75V~12V |
0.923V~8V |
2A |
93 |
降压稳压系列 |
DIP8/SOP8 |
|
|
2.7-5.5V |
5.0V |
250mA |
92 |
手持设备、USB、便携式音箱、白光LED等 |
SOT23-6 |
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