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AIC3412 Datasheet(PDF) 1 Page - Analog Intergrations Corporation |
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AIC3412 Datasheet(HTML) 1 Page - Analog Intergrations Corporation |
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1 / 9 page  AIC3412 Low IQ High Light Load Efficiency Synchronous Boost Converter Analog Integrations Corporation 3A1, 1 Lihsin 1st Rd., Science Park, Hsinchu 300, Taiwan, R.O.C. DS-3412G-03 20141105 TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw 1 FEATURES Deliver 3.3V at 60mA from a Single Alka- line/Ni-MH or 3.3V at 120mA from Two Cells Up to 94% Efficiency Low Shutdown Current: < 1 μA Low Quiescent Current: 12 μA. Low No-load Input Current (see Typical Perfor- mance Characteristics for detail) Output Disconnect by Shutdown Function Small SOT23-6 Package APPLICATIONS Wireless Mice Medical Instruments Smart Phones Bluetooth Devices DESCRIPTION The AIC3412 is a synchronous step-up DC/DC con- verter. That is base on constant Off Time/PSM con- troller topology. The IC enters PSM mode automatically at light load, the goal is to improve efficiency and re- duce quiescent current. The AIC3412 provide a com- plete power supply solution for products powered by one or two Alkaline, Ni-Cd, or Ni-MH battery cells. It stays in operation with supply voltages down to 0.7V. The implemented boost converter is based on a con- stant Off Time/PSM controller topology using an inter- nal synchronous rectifier to obtain maximum efficiency. A low-EMI mode is implemented to reduce ringing and in effect lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. TYPICAL APPLICATION CIRCUITS Fig. 1 One Cell Step-Up DC/DC Converter |
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Similar Description - AIC3412 |
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