LTC1871XMS#TRPBF

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LTC1871XMS#TRPBF belongs to DC DC switching controllers which are categorized under Power Management ICs (PMICs) and Voltage Regulators (VRs). It is an easy-to-use, low ripple switching regulator controller that integrates functions such as over-temperature protection (OTP) and leading edge modulation (LEM). The device provides adjustable output voltage and can be configured to suit various end applications.

First, the application fields of LTC1871XMS#TRPBF are mainly in portable, battery- operated devices, such as DVD players, digital cameras, PDAs, and PDAs where size, power efficiency, and low output ripple are the most important factors. It is also suitable for other cost-sensitive applications such as non-isolated, low-power output or secondary power supplies for other ICs or systems.

The working principles of LTC1871XMS#TRPBF starts with an internal integrated pulse width modulated (PWM) regulator which modulates the output voltage by controlling the time period of its switched power stage. Its internal circuitry uses a loop compensation technique for superior line-load regulation, with a stable stabilization loop providing output voltage accuracy of better than 0.1% (depending on the load). The device has an adjustable output voltage and can use an external resistor to set its output voltage.

The LTC1871XMS#TRPBF supports two topologies: Step-Down (Buck) and Step-Up/Down (Buck/Boost). It is capable of operating as a synchronous rectifier and supplying up to 200kHz of switching frequency. With low parts counts, the device is well suited for low-cost, small foot-print applications. It delivers up to 95% efficiency and has a temperature range of -40°C to +125°C.

The device also comes with an integrated Over-Temperature Protection circuit which is capable of detecting the temperature of the power supply and taking action to reduce dissipation or even shut down the system if the temperature is out of expected range. This helps to protect the sector from incurring unnecessary damage from overheating as well as helping to minimize energy consumption by monitoring the temperature.

In summary, LTC1871XMS#TRPBF is a highly efficient and cost-effective switching regulator controller ideal for portable, battery-operated devices that require low output ripple, power efficiency and small size. Its integrated OTP circuit provides an effective means of protecting the system in case of temperature excursions. With its adjustable output voltage, high switching frequency and low parts count, the device can be configured to suit various end applications while ensuring superior line-load regulation.

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