LTC1702IGN#PBF

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LTC1702IGN#PBF is a DC-DC switching regulator controller from Linear Technology’s voltage regulators product family, integrated with a variety of features that offer superior flexibility, reliability, and power saving performance in a compact, 4-pin SOT-23 package. The LTC1702IGN#PBF switching regulator controller is designed specifically for low-cost, switchmode power supply applications which require either a negative or a positive input voltage and a negative output voltage. It features a wide operating temperature range of -40°C to +85°C, and supports a power output up to 150 mA. The controller contains an on-chip voltage reference voltage, current limit circuit and an error amplifier.

The LTC1702IGN#PBF iswell-suited for use in a number of applications, including 5V to -12V converters, portable audio and battery-powered systems. It also offers superior performance in applications such as automotive audio systems, portable medical equipment, point-of-sale terminals, motor control, and more. With its programmable voltage reference, the LTC1702IGN#PBF can be easily used in cost-sensitive applications requiring flexible output voltage control and simple control.

The working principle of theLTC1702IGN#PBF DC-DC switching controller is based on the switching frequency control. The switching frequency of the controller is externally adjustable with the help of a gain-setting resistor, allowing for precise power output regulation. The switching frequency can be adjusted from 200kHz up to 400kHz, allowing for maximum flexibility and efficient system power flow. The controller also features current limit protection, allowing it to adjust the current limit to a higher or lower level, depending on the system requirements. Furthermore, it also features programmable bias voltage for low current startup, allowing for improved performance and reduced power consumption.

The LTC1702IGN#PBF also provides superior efficiency and overall system power savings. It features an internal synchronous rectifier which allows it to operate with a higher efficiency and lower switching losses. The rectifier also reduces the input ripple current, allowing for less power dissipation and improved system stability. Furthermore, its 180° deadtime control ensures that the switching between high- and low-side switches is done in a safe and efficient manner.

In summary, the LTC1702IGN#PBF is an ideal DC-DC switching regulator controller for cost-sensitive applications which require flexible output voltage control and simple control. It offers superior flexibility and power saving performance in a small, 4-pin SOT-23 package. With its wide operating temperature range and programmable voltage reference, current limit protection, and programmable bias voltage, the LTC1702IGN#PBF can easily be used in a variety of applications, such as audio systems, motor control, medical equipment, and more.

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