LTC660CN8#PBF

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LTC660CN8#PBF is a monolithic voltage regulator device, which belongs to PMIC (Power Management Integrated Circuit) category, particular DC DC Switching Regulators. It has been widely applied in modern electronic systems such as mobile phones, computers and peripherals, digital cameras, personal organizers and automotive applications. In addition, LTC660CN8#PBF has been designed to meet the most demanding applications including mobile communications, home audio applications and digital entertainment.

Essentially, LTC660CN8#PBF is a power switch device intended to regulate the output voltage and current supplied to an electronic load, usually like an LED or electronic device. It regulates an input voltage source, a power source and output voltage source charge and transistors connected to the load. It uses its own internal circuitry to regulate the output voltage over time and according to changes in load. This switch regulator can be operated in either buck or boost configuration.

Specifically, LTC660CN8#PBF is an ultra-small switch regulator that provides adjustable high-current output voltages of 1 voltage rail with a range of 8-80V. The device comes with a built-in, P-channel, logic-level MOSFET, every cycle automatically adjusts the current-limit set point. This makes the device ideal for non-isolated power supplies in applications like LED lighting, high-voltage Lithium-ion batteries, backlight LCDs and UV LEDs. The device has very low output ripple and feature low quiescent current.

The working principle of this switch regulator involves two primary switching elements-the input source charge and transistors connected to the load. It is controlled by a hysteresis based current limit circuit that allows the voltage across the load to remain within a safe range. As the supply voltage changes, the current limit circuit senses the current flow into the load and adjusts the limit accordingly. When the current limit is exceeded, the current limit circuit shuts down the device, preventing excessive current flow.

Besides current-mode control architecture, LTC660CN8#PBF also features an adjustable soft-start with built-in protection. Moreover, the device is equipped with an optional thermal shutdown function which protects the load and the voltage regulator itself, in case of an unsafe temperature conditions or overload. Finally, the P-channel MOSFET integrated in LTC660CN8#PBF has low on-resistance and can enable up to 80% efficiency. However, one of the disadvantages is that the total output capacitor set should be higher than 220uF.

Overall, the LTC660CN8#PBF is a reliable and efficient voltage regulator that can be used in both buck and boost configuration and is suitable for wide range of applications like LED lighting, high-voltage Lithium-ion batteries, backlight LCDs and UV LEDs. Besides, it comes with a built-in, P-channel, logic-level MOSFET that can enable efficiency up to 80% and has low on-resistance. This device is certainly one of the best solutions available when it comes to power regulation in modern electronic systems.

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