厂商：Freescale
类别：16位单片机
厂商：Littelfuse
类别：瞬态抑制二极管
类别：保险丝
厂商：Linear
类别：开关稳压器
厂商：
类别：PhotoMOS(MOSFET输出光电耦合器)
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特点 Wide V IN Range: 1.9V to 18V 300kHz Fixed Frequency Current Mode Control1A Rail-to-Rail N-Channel MOSFET DriverLow 53mV Current Limit Threshold Voltage Improves EfficiencyImplements Boost, SEPIC and Flyback Converters Requiring Low Side Power TransistorsInternal Current Sense Amplifier with Leading Edge BlankingUp to 500kHz External SynchronizationBurst Mode? Operation for High Efficiency at Light Load140μA Quiescent Current15μA Shutdown Current8-Lead MSOP and SO Packages典型应用典型应用描述The LT?1619 is a fixed frequency PWM controller for implementing current mode DC/DC converters with minimum external parts. The LT1619 operates with input voltages ranging from 1.9V to 18V and is suitable for a variety of battery-powered and distributed DC/DC converters. The internal rail-to-rail N-channel MOSFET driver operates either from the input in the nonbootstrapped mode or from the output in bootstrapped operation. The driver is designed to drive a low side power transistor inboost, SEPIC, flyback and other topologies.Converter efficiency is improved at heavy loads with a53mV current sense voltage and at light load with Burst Mode operation. The operating frequency is internally setat 300kHz. The oscillator can also be synchronized externally up to 500kHz. No load quiescent current is 140μA and shutdown current is 15μA.The LT1619 is available in 8-lead MSOP and SO packages.