PAM99700AC

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LED drivers are widely used for a variety of applications such as signage, automotive, HVAC, and lighting applications. The PAM99700AC is an LED driver designed to provide an output current of up to 500mA in small form factors. The device is designed to provide a high level of efficiency and reliability in a range of applications.

Features and Benefits

The PAM99700AC offers a wide input range of 12V to 36V, a wide dimming range of 1 to 10V, a low standby current of 0.6mA, and a standby power of 6mW. The device is designed with an adjustable current limit of up to 500mA and can be used for constant current or constant voltage applications depending on the situation. The device also has built-in thermal shutdown protection and overvoltage shutdown of 40V.

Applications

The PAM99700AC is suitable for a variety of LED applications, including LED signs, LED strips, LED spotlights, LED downlights and LED landscape lighting. The device can also be used in automotive applications such as interior lighting, and in HVAC applications such as room lighting, thermostat illumination and fan speed control.

Working Principle

The PAM99700AC works by converting the input voltage into a current regulator, which is then used to drive the LED loads. The device uses a current sense resistor to set the output current based on the input voltage and the limitations of the LED load. The current sense resistor is adjustable, allowing for a wide dimming range from 1 to 10V, and a linear current output from 0-500mA. The device also has a built-in overvoltage shutdown circuit and a current limiting function, ensuring the protection of the device and the LED load.

Conclusion

The PAM99700AC is a versatile LED driver designed for use in a variety of applications, including signage, automotive, HVAC, and lighting. The device features an adjustable current limit, low standby current and a wide dimming range, allowing it to be used in both constant current and constant voltage applications. The device also provides protection against overvoltage and thermal shutdown, ensuring its reliability and longevity. The PAM99700AC is an ideal choice for any LED application.

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