| Allicdata Part #: | SI-EPD006550KR-ND |
| Manufacturer Part#: |
SI-EPD006550KR |
| Price: | $ 7.61 |
| Product Category: | Power Supplies - External/Internal (Off-Board) |
| Manufacturer: | Samsung Semiconductor, Inc. |
| Short Description: | LED DRIVER CC AC/DC 27-54V 420MA |
| More Detail: | 420mA 27 ~ 54 V Constant Current LED Driver AC DC ... |
| DataSheet: |  SI-EPD006550KR Datasheet/PDF |
| Quantity: | 1000 |
| 1000 +: | $ 6.91450 |
| Dimming: | -- |
| Weight: | -- |
| Approvals: | CE, VDE |
| Mounting Type: | Chassis Mount |
| Size / Dimension: | 3.82" L x 1.69" W x 1.16" H (97.0mm x 43.0mm x 29.5mm) |
| Termination Style: | Terminal Block |
| Efficiency: | 85% |
| Operating Temperature: | -20°C ~ 50°C |
| Ratings: | IP20 |
| Features: | OCP, OTP, OVP, SCP |
| Series: | -- |
| Power (Watts): | 15W |
| Current - Output (Max): | 420mA |
| Voltage - Output: | 27 ~ 54 V |
| Voltage - Input (Max): | 264VAC |
| Voltage - Input (Min): | 198VAC |
| Number of Outputs: | 1 |
| Topology: | AC DC Converter |
| Type: | Constant Current |
| Part Status: | Not For New Designs |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Light emitting diodes (LEDs) are powering the future of lighting. LED drivers are used to regulate the current and voltage for LED lighting applications. The SI-EPD006550KR can be classified as an LED driver, with a wide range of applications and working principles.
Applications
The SI-EPD006550KR is a high efficiency LED driver IC from SEMILEDS, applicable to SMPS (Switch Mode Power Supplies) applications and other DC/DC solutions. It is widely used in various LED-based lighting applications, such as street lighting, automotive lighting, architectural lighting and interior decorative lighting. It can also be used in portable applications such as portable lighting, floodlights, flashlights and emergency lights.
The SI-EPD006550KR has various advantages in terms of its power saving performance, high temperature operation capability, and high reliability. It is suitable for products with a wide range of operating temperature (-40°C to +105°C) and offers high efficiency up to 85%. It has a low quiescent current (5μA in power-down mode) and a wide input voltage range of 4.5V to 40V. Furthermore, it has low EMI, can handle 2A of DC output current, and has a wide dimming range. It also has built-in protection features such as undervoltage lockout and overvoltage lockout, current limit protection, as well as over-temperature protection.
Working Principle
The SI-EPD006550KR works on the switched-mode power supply (SMPS) principle. In this type of power supply, the voltage is regulated by switching the input voltage on and off at a high frequency. The switching action is controlled by an internal oscillator. The duty cycle which affects the output voltage is programmed by an internal voltage reference and a resistor divider network.
The SI-EPD006550KR features a Buck/Boost regulator circuit, which is an efficient solution for LED lighting applications. It works by converting a high input voltage to the required output voltage. In Buck/Boost operation, the converter switches between buck (step-down) and boost (step-up) operation as needed, providing the right power for the load.
The SI-EPD006550KR also features PWM dimming. The LED intensity is regulated through the use of pulse width modulation (PWM). A PWM signal with a specific duty cycle is applied to the enable pin, which controls the on/off time of the LED output. The longer the on-time, the higher the LED brightness. The SI-EPD006550KR has a wide range of dimming that is optimized for low flicker in dimming applications.
Conclusion
The SI-EPD006550KR LED driver comes with an extensive set of features that make it ideal for various LED-based lighting applications. It works on the SMPS principle, which enables efficient voltage conversion and power saving, with built-in protection features. Its wide dimming range and high temperature operation capability make it a reliable and long-lasting choice for lighting applications.
The specific data is subject to PDF, and the above content is for reference
PWR SUPPLY LED DVR AC/DC1.67A 19 ~ 36 V ...
LED POWER SUPPLY1.6A 18 ~ 56 V Constant ...
LED DVR CC/CV AC/DC 34-48V 3.2A3.2A 34 ~...
LED DVR CC/CV AC/DC 21-28V 2.14A2.14A 21...
LED DRIVER CC AC/DC 6-18V 1.4A1.4A 6 ~ 1...
LED DRIVER CC AC/DC 9-12V 3.8A3.8A 9 ~ 1...