LTC3130EMSE#PBF

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The LTC3130EMSE#PBF is a low input voltage, constant frequency, synchronous pulse-width modulation step-down regulator with integrated MOSFETs. It is designed to convert voltage sources ranging from 4.5V to 42V down to adjustable output voltages as low as 0.9V, making it suitable for a wide range of industrial applications. The external MOSFETs integrate the current sensing, switching transients, and turn-on delay, eliminating the need for a sense resistor and both increasing efficiency and reducing current ripple. The external MOSFETs also allow for much higher output currents and smaller inductors than the typical regulator.

The LTC3130EMSE#PBF voltage regulator is an IC from Linear Technology Corporation that features an adjustable output power supply operation from 4.5V to 42V input voltage and 0.9V to 16.5V adjustable output voltage with a maximum output current of 2A. The LTC3130 has a constant frequency current mode PWM control, enabling it to provide excellent load and line regulation as well as controlling the output ripple from the output stage. It also features UVLO, over-current protection, short-circuit protection, thermal shutdown, frequency selection, and programmable soft-start. The operating temperature range of the LTC3130EMSE#PBF is -40 °C to +125 °C.

The LTC3130EMSE#PBF is ideal for use in automotive, industrial and consumer electronics applications requiring a DC-DC converter. It is also suitable for a wide range of applications such as solar energy systems, portable electronic devices and distributed power supplies. Additionally, since the LTC3130EMSE#PBF voltage regulator can handle higher operating temperatures than other step-down regulators, it can be used in environments where quick spikes in temperature occur, such as in automobiles.

The LTC3130EMSE#PBF voltage regulator uses a synchronous buck converter which eliminates the need for an external sense resistor. This means that the step-down voltage is not dependent on the current that is flowing. The output stage is made up of an N-Channel MOSFET with a integrated current sensor, which helps to provide a stable output voltage and reduces the need for an additional driver circuit for the MOSFET.

The synchronous buck converter used by the LTC3130EMSE#PBF voltage regulator produces much less switching noise and high efficiency while operating in the constant frequency current mode. The integrated MOSFETs also reduce the inductor size, and the switching frequency is adjustable over a range of 1kHz to 500kHz via an external resistor.

The LTC3130EMSE#PBF voltage regulator also has several protection features that make it robust and reliable. The thermal shutdown prevents permanent damage to the regulator if the junction temperature exceeds its threshold, while the over-current and short-circuit protection protect the device from sourcing or sinking current to the level that may cause device failure.

In conclusion, the LTC3130EMSE#PBF voltage regulator from Linear Technology Corporation is a robust and reliable step-down voltage regulator, ideal for a wide range of industrial applications. It has a wide input voltage range and adjustable output voltage range, providing excellent load and line regulation, with low noise, high efficiency and protection features.

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