厂商:Freescale
类别:16位单片机
厂商:Littelfuse
类别:瞬态抑制二极管
厂商:Linear
类别:DC/DC控制器
厂商:Yageo
类别:芯片电阻
厂商:TDK
类别:3端子滤波器
厂商:Panasonic
类别:PhotoMOS(MOSFET输出光电耦合器)
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特点 Integrated Schottky Rectifier Fixed Frequency 1.2MHz/2.7MHz Operation Very Low Noise: 1mV P-P Output Ripple Low V CESAT Switch: 270mV at 250mA ±5V at 100mA from 5V Input?12V at 30mA from 3.3V InputLow Input Bias Current GND Based FB InputLow Impedance (40 Ohm) 1.265V Reference OutputHigh Output Voltage: Up to ?38VWide Input Range: 2.5V to 16VUses Tiny Surface Mount ComponentsLow Shutdown Current: <10μALow Profile (1mm) SOT-23 (ThinSOT?) Package典型应用典型应用描述The LT?3462/LT3462A are general purpose fixed frequency current mode inverting DC/DC converters. Both devices feature an integrated Schottky and a low V CESAT switch allowing a small converter footprint and lower parts cost. The LT3462 switches at 1.2MHz while the LT3462A switches at 2.7MHz. These high speeds enable the use of tiny, low cost and low height capacitors and inductors.The LT3462/LT3462A operate in a dual inductor inverting topology that filters both the input and output currents. Very low output voltage ripple approaching 1mV P-P can be achieved when ceramic capacitors are used. Fixed frequency switching ensures a clean output free from low frequency noise typically present with charge pump solutions. The 40V switch allows a V IN to V OUT differential of up to 38V for dual inductor topologies.Both devices provide a low impedance 1.265V reference output to supply the feedback resistor network. A ground referenced, high impedance FB input allows high feedback resistor values without compromising output accuracy.The LT3462/LT3462A are available in a 6-lead SOT-23 package.