FAN5646UC01X Integrated Circuits (ICs)

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FAN5646UC01X is an excellent LED driver with pulse width modulation (PWM) dimming control. It is part of Texas Instrument\'s family of LED drivers and is categorized under PMIC - LED Drivers. It is best used with the TI Simple Switcher® family of products.

FAN5646UC01X can dim the LED or set the light intensity to the desired level. It can also provide stable current to the LED during levels of high and low temperatures. It has a wide operating temperature range from -40°C to +125°C and can withstand short periods of up to 150°C. It is available in a compact 8-pin MSOP package and takes up minimal space on a circuit board.

FAN5646UC01X has an input voltage range from 2.5V to 16V and can provide up to a total output current of 200mA. The regulated output current can be dynamically adjusted from 32 mA up to 200 mA. This allows the user to configure the output current for each level of light intensity. The output voltage of FAN5646UC01X can be set externally using two external resistors. This allows users to customize the output voltage levels.

The FAN5646UC01X has many features. It has an internal Soft-Start circuit which prevents excessive inrush current at start-up. It has a low standby current of 90 μA, which helps reduce the system power consumption. It also has many safety features, such as over temperature protection and an open LED protection circuit. It has a wide operating temperature range of -40°C to +125°C and can work in both high and low temperatures.

The working principle of FAN5646UC01X is that it uses pulse-width modulation (PWM) dimming control to achieve the desired level of light output. The pulse-width modulation reduces the amount of current passing through the LED by rapidly switching the load between two different voltage levels. The load current is dynamically adjusted based on the brightness required by the user. By setting the duty cycle of the PWM, the output current and the LEDs brightness is adjusted accordingly.

In conclusion, FAN5646UC01X is an excellent LED driver with pulse width modulation (PWM) dimming control and is categorized under PMIC - LED Drivers. It has an input voltage range from 2.5V to 16V and adjustable output current up to 200mA. It also has an internal Soft-Start circuit, low standby current and many safety features. Its working principle is that it uses pulse width modulation (PWM) dimming control to achieve the desired level of light output.

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