EASR3212YA0

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The EASR3212YA0 is a discrete LED indicator that is versatile and can be used in a wide variety of applications. The device is an active low-side MOSFET that is solidly coupled to the LED indicator providing enhanced current capability. The LED indicator is visible in multiple configurations; ON/OFF, flash/pulsed, slow rise dimmed, and fast rise dimmed. This LED indicator is most suitable for use in virtually any industrial or commercial application.

The working principle of the EASR3212YA0 is shown in the diagram below. The device provides a constant low-side grounded MOSFET switch to control the LED illumination. The switch is enabled when the switch is pulled low and the LED illuminates. The pulse width of the high-side input signal will determine the pulse rate of the LED ON and OFF intervals.

The controlled pulse at the high-side input is used to drive the MOSFET switch and is also used to regulate the PWM duty cycle (if not a 50/50 pulse). This pulse regulates the LED intensity and can be used to set a dimming effect. Additionally, the EASR3212YA0 can be configured to control multiple LED indicators, allowing the user to have up to eight LED indicators with rheostat brightness control.

The LED indicator is most suitable for applications where a visual alert is desired. For example, the EASR3212YA0 can be used in an assembly line to notify workers of a problem. In this application, the LED indicator will be set to flash/pulse to alert the workers of the issue. This simple and reliable solution eliminates tedious wiring and cumbersome control schemes.

The EASR3212YA0 is also well suited for automotive applications. In this type of application, the LED indicator can be used as a shift indicator. The shift indicator can be set to flash/pulse to indicate the current shift, giving a quick visual indication of the status.

The EASR3212YA0 is a discrete LED indicator with a broad range of applications. This device is an active low-side MOSFET that is solidly coupled to the LED indicator providing enhanced current capability. Additionally, the device is able to support multiple LED indicators, and the duty of the duty cycle can be set to regulate the brightness of the LED indicator. With the ability to support a variety of applications, the EASR3212YA0 is a reliable and cost-effective solution for any project.

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