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FAN2564_11 PDF预览

FAN2564_11

更新时间: 2024-11-23 10:26:43
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
13页 502K
描述
300mA Low VIN LDO for Digital Applications

FAN2564_11 数据手册

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April 2011  
FAN2564  
300mA Low VIN LDO for Digital Applications  
Features  
Description  
The FAN2564 operates from a minimum input of 1.65V  
and provides outputs as low as 1.2V. Output current is  
guaranteed to 300mA, making this regulator ideal for  
digital loads.  
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Input Voltage 1.65V to 3.6V  
Guaranteed 300mA Output  
High Initial Output Voltage Accuracy: ±1%  
Fixed Output Voltage options from 1.2V to 2.8V  
Very Low Dropout: 100mV at 300mA  
45µA Quiescent Current at No Load  
Low Output Noise of 100µVRMS  
Inrush Current Controlled to Less Than 500mA  
PSRR of 60dB at 1kHz  
The unique low input voltage capability and very low  
dropout make this device an ideal post regulator to a  
synchronous buck regulator. In this configuration, accu-  
rate low voltage regulation is provided without the ineffi-  
ciencies typically related to linear regulators.  
The enable pin can be used to initiate shutdown mode,  
where the operating current falls to an extremely low  
10nA, typically.  
The FAN2564 is designed to be stable with space-  
saving ceramic capacitors as small as 0402 case size.  
100µs Startup Time  
Stable with Ceramic Capacitors  
Thermal and Short-Circuit Protection  
4-bump WLCSP, 0.5mm Pitch  
6-pin 2 x 2mm UMLP  
The FAN2564 is available in 4-bump 0.5mm pitch wafer-  
level chip-scale package (WLCSP) and a 6-lead 2 x  
2mm ultra-thin molded leadless package (UMLP).  
Applications  
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Post Regulator  
Cell Phones and Smart Phones  
WLAN, 3G, and 4G Data Cards  
PMP and MP3 Players  
Typical Application Circuit  
Figure 1. Typical Application Circuit  
© 2007 Fairchild Semiconductor Corporation  
FAN2564 • Rev. 1.0.2  
www.fairchildsemi.com  

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