S-1333D20-A4T2U3

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Integrated regulator circuits are passive systems used to regulate the output voltage, current and power of a power converter. LED regulators are prime examples of such circuits and are used to provide a constant light intensity from the LED. B-1333D20-A4T2U3 is a LinearCurrent Regulator released by Diodes Inc. It utilizes a constant current source to regulate the LED current independent of supply voltage and temperature. This article will discuss the application fields and working principle of the B-1333D20-A4T2U3.

The B-1333D20-A4T2U3 is specifically designed to drive 1 to 3 LEDs in series with a fixed current of 20mA. This device has a wide operating voltage up to 20V and a wide input voltage range of 2.8V to 10V. It is also capable of providing a constant current source even with a relatively large variation in input supply voltage and temperature. This makes it an ideal choice for driving 1-3 LEDs from a wide range of input sources.

The B-1333D20-A4T2U3 is also an excellent choice for applications that require dimming control. It has an on-board Potentiometer Connector (or PC) for dimming control. This PC can be used to control the current in a range of 0 to 10mA (1A max). The PC can also be used to control the current in a range of 0 to 20mA (2A max). This feature makes the device ideal for dimmable LED applications.

The working principle of the B-1333D20-A4T2U3 is based on the use of a low-power control transistor. The voltage drop across this transistor is proportional to the current flowing through it. By controlling the gate voltage of the transistor, the current through the LED load can be regulated. The onboard PC is used to control the gate voltage of the transistor. The B-1333D20-A4T2U3 also features a current-fold-back protection that limits the current flowing through the LED load.

The B-1333D20-A4T2U3 is most commonly used in automotive applications. It is widely used in automotive dashboard and display LEDs, and other non-visible LED applications in vehicle systems. This device is also used in smart lighting and dimming control applications, as well as general lighting applications such as kitchen under cabinet lighting, architectural lighting and display lighting.

The B-1333D20-A4T2U3 is an extremely versatile device that can be used in a wide range of applications. It is well-suited for automotive applications as well as lighting and dimming control. Its wide operating range and on-board PC make it an ideal choice for a variety of LED applications. It can provide a constant current source even with a wide input voltage range and temperature variation, making it an excellent choice for dimmable LED applications.

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