SKY81290-11-563LFR

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SKY81290-11-563LFR is a PMIC – LED Drivers device that is designed for operating headlight, tail lamps and various types of indicator night lights in automotive systems. The device offers excellent performance with low current consumption and a long life cycle, making it suitable to power LEDs in a wide range of automotive and industrial applications.

Operating Principle

SKY81290-11-563LFR works on the DC to DC Stepdown Converter topology. The device is based on the flying capacitor technology, an efficient operating principle where a parasitic capacitor is used to store energy in the form of electrical potential, before releasing it to the output. The switching between the power supply, parasitic capacitor and output is done with an oscillator. This enables the transfer of energy from the available input power to the output load at a frequency and duty cycle that is programmable.

Features

Some of the device’s features include:

• Input Voltage Range: 4.5V to 36V
• Output voltage range: 0.2V to 30V
• Maximum Output Current: 6A
• Programmable Output Frequency and duty cycle up to 3MHz.
• Reverse Battery Protection
• Built-in State Machine for Sequential Control
• On-board Regulator for 12V output
• Thermal Shutdown Protection

Applications

SKY81290-11-563LFR is designed for applications such as:

• Automotive LED headlight and tail lamps
• Automotive indicator lamps
• Backlighting display (Mobile Phones, LED Signs, LCD Displays)
• General illumination and decorative lighting
• Linear/Constant Current LED Drivers

Metrics

The SKY81290-11-563LFR device offers the following performance metrics:

• Power Factor Correction (PFC) factor up to 0.99
• High efficiency - up to 96%
• Low EMI and low output ripple current
• Maximum Operating Temp: up to 85°C
• Ultra wide input voltage range
• Low current consumption - as low as 6mA
• Reverse Battery Protection

Pricing and Availability

SKY81290-11-563LFR is available from authorized distributors worldwide, at prices ranging from $1.40 to $2.00. Samples are available upon request.

Conclusion

SKY81290-11-563LFR is an advanced PMIC – LED Drivers device, designed to deliver excellent performance while being cost effective and energy efficient. With the ability to effectively control the brightness, color and operating frequency of LEDs, this device can be used in a variety of automotive and industrial applications.

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