Allicdata Part #: | IRS2540PBF-ND |
Manufacturer Part#: |
IRS2540PBF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Infineon Technologies |
Short Description: | IC LED DRVR CTRLR DIM 500MA 8DIP |
More Detail: | LED Driver IC 1 Output DC DC Controller Step-Down ... |
DataSheet: | IRS2540PBF Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Type: | DC DC Controller |
Topology: | Step-Down (Buck) |
Internal Switch(s): | No |
Number of Outputs: | 1 |
Voltage - Supply (Min): | 9V |
Voltage - Supply (Max): | 15.6V |
Voltage - Output: | -- |
Current - Output / Channel: | -- |
Frequency: | 500kHz |
Dimming: | PWM |
Applications: | -- |
Operating Temperature: | -25°C ~ 150°C (TJ) |
Mounting Type: | Through Hole |
Package / Case: | 8-DIP (0.300", 7.62mm) |
Supplier Device Package: | 8-PDIP |
Base Part Number: | IRS2540PBF |
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PMIC - LED Drivers is a type of power supply unit designed to power light emitting diode (LED) devices. One such device is the IRS2540PBF, a field effect transistor (FET) driver that is used to control and regulate the brightness of LEDs. This article will explain the application field and working principle of the IRS2540PBF, as well as its benefits for use in LED devices.
The IRS2540PBF is a current-mode, P-channel FET driver that is designed for use in LED applications. It has a wide range of applications, but is especially useful for driving multiple LED strings, such as those found in automotive and other automotive-related applications. Additionally, it is suitable for use in low-power systems, such as portable devices, as it can be operated at low voltages up to 14V and can handle up to 300mA of output current.
The working principle of the IRS2540PBF involves driving the LED load with a constant current, rather than a constant voltage. This ensures that the LED is illuminated with a uniform bright intensity, regardless of variations in the ambient temperature or other external factors. Additionally, the current-mode operation allows the IRS2540PBF to dynamically adjust the current output as needed to maintain a constant brightness, eliminating the need for manually adjusting the brightness of the LED.
The IRS2540PBF also features an adjustable frequency mode, allowing it to adjust its operating frequency as needed in order to optimize LED performance. This can be used to improve the power conversion efficiency, thus reducing overall energy consumption. Additionally, the frequency mode can allow for improved thermal management, as it can detect when the temperature is too high and reduce the current output to prevent overheating.
The IRS2540PBF also offers additional advantages for use in LED applications, such as improved efficiency and radiation tolerance. In addition, it is stable over a wide range of temperature, voltage, and load conditions, making it suitable for use in a wide range of environments. Furthermore, it features protection against over-temperature, over-current, and over-voltage, making it a safe and reliable choice for use in LED designs.
In summary, the IRS2540PBF is a highly versatile P-channel FET driver that is specifically designed for use in LED applications. Its current-mode operation and frequency mode ability allow it to control the brightness of the LED and optimize output performance, respectively. Additionally, the IRS2540PBF offers protection against corrosion and other environmental factors, as well as excellent temperature stability. This makes it a safe and reliable choice for LED designs, as well as a cost-effective and energy-efficient solution.
The specific data is subject to PDF, and the above content is for reference
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