LM3644TTYFFR Integrated Circuits (ICs)

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The LM3644TTYFFR LED driver is a member of the Power Management Integrated Circuit (PMIC) - LED Drivers family. It has been designed to power multiple LEDs from a wide range of power sources. This LED driver can be used in many applications, from powering single LEDs in small displays to powering larger LEDs in bigger displays.

The LM3644TTYFFR LED driver supports two sets of LED channels, each of which can support up to 10 LEDs. Each channel can be enabled/disabled independently, for maximum flexibility. The driver also supports two control types, Pulse Width Modulation (PWM) and current setting. The PWM control can be used to set the brightness level of the LEDs, while the current setting can be used to set the currents of the LEDs. It also supports a wide range of output modes, including forward, reverse and graded brightness modes, making it suitable for a variety of applications.

The LM3644TTYFFR LED driver has built-in protection features, including over-temperature, under-voltage and over-current protections for both sets of channels. It also has an adjustable current limit for both sets of channels, allowing it to be used in high-power applications. The driver also has a low quiescent current, making it energy efficient and cost effective.

In addition, the LM3644TTYFFR LED driver features a wide input voltage range (3V – 24V), making it suitable for many different voltage sources, including DC and AC power supplies. This makes it a great choice for applications requiring multiple LEDs, since the driver can be easily adapted to different power sources.

The working principle of the LM3644TTYFFR LED driver is quite simple. It takes the input voltage and uses it to power the LEDs. The driver contains a voltage and current control circuit, which regulates the current to the LEDs and ensures that they are operating in a safe range. Depending on the chosen output mode, the driver can regulate the current to a constant current or to a varying current, depending on the PWM or current setting input.

The LM3644TTYFFR LED driver is an ideal choice for applications requiring multiple LEDs with varying intensity. The wide input voltage range, multiple control types and output modes, make it a great choice for many different applications. The built-in protection features also provide additional safety and reliability for both the LED driver and the LEDs.

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