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Ic LTC1594CS

Linear Technology Corporation (LinearTechnologyCorporation) introduced current mode PWM controller LTC3873, the device reduces the Flyback, Boost and IC LTC1594CS and SEPIC power supply size, and reduced complexity. The design of the device rated up to 25W with high efficiency single-ended isolated and non-isolated flyback converters all the features necessary for such converters for telecommunications, networking equipment, Power over Ethernet (PoE), automotive, consumer electronic products and general household power supply. LTC3873 is ideal for start input may change from 9V to 75V wide input voltage range applications, the device will start in the range of 4V to 75V to keep working. This enables users to use a power supply for the nominal value of 48V, 24V and 12V input system requirements. LTC3873-5 is a 3.9V undervoltage lockout version, which allows conversion of up to 75V Used for 5V input power to start and work. This makes the device ideal for power from a 5V input to 12V, 24V, 48V and higher output voltage of the boost converter. Current sense resistor is optional, the current limit threshold is programmable, allowing the use of multiple external MOSFET for different topologies. LTC3873/-5 can regulate output voltages as low as 0.8V, with a limit inrush current integrated soft-start function, reducing output voltage overshoot. Frequency fixed at 200kHz, and until light loads has been kept constant frequency, thus a wide range of load currents produced a low frequency noise. The IC starts with the ultra-low 50uA current, input resistance allows the use of large and small capacitors to achieve low power consumption and power fast start. LTC3873 standby quiescent current of only 300uA, is an excellent choice for automotive applications. LTC3873 8-lead 2mmx3mmDFN and 8-lead TSOT-23 package, operating temperature range is -40 ℃ to 85 ℃. 1,000-piece quantities starts at $ 1.25 per piece. LTC3873/-5 Performance Summary: 50uA starting current VIN and VOUT limited only by external components adjustable current limit threshold internal or external soft-start 200kHz constant frequency current mode control, the work of Optional current sense resistor

LTC1594CS Suppliers

2008, the number of major series of events affecting the development of the domestic semiconductor lighting industry, environment and LTC1594CS Suppliers and atmosphere, but also created opportunities and challenges. Currently, the domestic situation is good overall development of LED industry.

LTC1594CS Price

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