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LT1611 数据表(PDF) 1 Page - Linear Technology |
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LT1611 数据表(HTML) 1 Page - Linear Technology |
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1 / 12 page  LTC3261 1 3261f TYPICAL APPLICATION FEATURES DESCRIPTION High Voltage, Low Quiescent Current Inverting Charge Pump The LTC®3261 is a high voltage inverting charge pump that operates over a wide 4.5V to 32V input range and is capable of delivering up to 100mA of output current. The charge pump employs either low quiescent current Burst Mode operation or low noise constant frequency mode. In Burst Mode operation the charge pump VOUT regulates to –0.94 • VIN and the LTC3261 draws only 60μA of quiescent current. In constant frequency mode the charge pump produces an output equal to –VIN and operates at a fixed 500kHz or to a programmed frequency between 50kHz to 500kHz using an external resistor. The LTC3261 is available in a thermally enhanced 12-pin MSOP package. APPLICATIONS n 4.5V to 32V VIN Range n Inverting Charge Pump Generates –VIN n 60μA Quiescent Current in Burst Mode® Operation n Charge Pump Output Current Up to 100mA n 50kHz to 500kHz Programmable Oscillator Frequency n Short-Circuit/Thermal Protection n Low Profile Thermally Enhanced 12-Pin MSOP Package n Bipolar/Inverting Supplies n Industrial/Instrumentation Bias Generators n Portable Medical Equipment n Portable Instruments L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. 15V to –15V Inverter 10μF 10μF –15V 3261 TA01 VOUT 15V LTC3261 GND VIN MODE C– RT EN C+ 1μF VOUT Ripple 100μs/DIV VOUT 10mV/DIV AC-COUPLED VOUT = –14.8V VOUT = –14.1V MODE = L MODE = H VOUT 200mV/DIV AC-COUPLED 3261 TA01a VIN = 15V fOSC = 500kHz IOUT = 5mA |
类似零件编号 - LT1611 |
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类似说明 - LT1611 |
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