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AAT1501,

AAT1501

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AAT1501 详细介绍

 The AAT1501/A is a charge pump DC/DC converter mainly used for white LED backlighting. It operates with an input voltage ranging from 2.7V to 5.0V to generate constant 5.0V (AAT1501) or 4.5V (AAT1501A) output. The regulated output is produced by using an internal feedback switched capacitor voltage doublers.   

The AAT1501/A requires no external inductor when operating. By using a flying capacitor, the AAT1501/A can deliver up to 120mA ( DD V= 3.3V) output current for the system.  The AAT1501/A’s typical ultra low operating current, and compact external parts make it an ideal component for small, portable, battery-powered applications. 
AAT1501/A comes in a compact 6-pin SOT-23 package to offer users  optimal and economical power management solution.  
 
 
AAT1501 Features                            
• Monitored Output Voltage  
(AAT1501:% 4 V 5 VO ± = ) 
(AAT1501A:% 4 V 5 . 4 VO ± = ) 
• Output Current: 120mA ( DD V= 3.3V) 150mA ( DD V= 3.6V) 
• Input Voltage Range: 2.7V to 5.0V 
• A Power-Saving Shutdown Current of less than A 1µ  
• Internal Oscillation Frequency : 750kHz 
• Compact SOT-23-6 Package