LTC3246EMSE#TRPBF

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The LTC3246EMSE#TRPBF is a micro power DC-DC synchronous buck converter whose architecture is unique in its highly efficient and tiny form factor. Its very low component count and small foot print make it the ideal solution for low power point-of-load applications.

The LTC3246EMSE#TRPBF is a Low input voltage, high efficiency synchronous step-down DC-DC switching regulator with integrated FETs, Linear Technology’s proprietary high-efficiency current-mode topology and high-speed synchronous rectification.

Application field:

The LTC3246EMSE#TRPBF has many applications in various industrial fields and commercial products. It is often used in embedded systems such as microcontrollers, data acquisition systems, sensors, and automotive electronics. It is also used in industrial power supply systems, telecom and VoIP power, personal navigation systems, handheld electronics and audio/video systems.

Working principle:

The LTC3246EMSE#TRPBF uses an innovative topology that combines an input voltage ripple reduction mechanism and a current mode switching regulators to reduce voltage drop and thereby increase efficiency while providing smooth, low-noise output regulation. The circuit operates in an adjustable, precisely controlled duty cycle, delivering dynamic output current of up to 2.5 A, while efficiently compensating for load variation. The output voltage is adjustable up to 5 V with an external resistor divider or with an internal low voltage reference.

The voltage supply for the LTC3246EMSE#TRPBF converter is derived from an input supply as low as 0.9 V, filter capacitor and Li-ion battery, so that it works over a wide input voltage range. The voltage converter itself handles current up to 2.5 A and contains low pass filters for input and output. External compensation and an enable control signal are needed for its operation.

Furthermore, the high speed switching frequency of the LTD3246EMSE#TRPBF optimized to minimize the size of external components, while still maintaining high efficiency, low output ripple and low noise. Its synchronization to external frequency simplifies the design and provides flexibility to match other system components.

In short, this device combines high performance efficiency and compact size to meet the requirements of low power applications in various industries.

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