ISL1904FAZ-TK

Voltage - Output:	--
Base Part Number:	ISL1904
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Lighting
Dimming:	Triac
Frequency:	25kHz ~ 1MHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	20V
Voltage - Supply (Min):	9V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Flyback, Step-Down (Buck), Step-Up (Boost)
Type:	AC DC Offline Switcher
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

ISL1904FAZ-TK is an integrated Power Management and LED control IC (PMIC/LED) device with a wide range of applications, making it a versatile, cost-effective and reliable solution for applications requiring low power consumption and features high efficiency and scalability. The integrated device features an array of configurable options and low quiescent current, allowing system designers to implement cost-effective solutions with easy integration and scalability. This product is specifically designed to meet the needs of applications where the addition of LED drivers is desired. Some key features include programmable off-time LED dimming, LED current control and LED field detection, as well as low quiescent currents, wide input voltage range, high power efficiency and protection against over temperature and over voltage.

Overview of Applications

ISL1904FAZ-TK is designed for a wide range of applications ranging from professional lighting systems to smart home and automotive applications. In these applications, the product provides an efficient and cost effective way to manage and direct power to a variety of applications. ISL1904FAZ-TK can be used in the following applications:

• Professional lighting applications such as street lights and commercial lighting requiring high power and low current
• Smart home and office applications such as dimmable and controlable fixtures
• Automotive applications such as vehicle exterior lighting requiring low power operations and wide voltage range

LED Driver Working Principle

ISL1904FAZ-TK is designed to work as a LED Driver and allows designers to easily integrate LED drivers into their system. LED drivers are used to control the LED current, switch LED devices on and off and provide protection against over-current and over-temperature. The ISL1904FAZ-TK Include features that allows the LED current to be controlled, vary the LED voltage and set the off-time LED dimming. This can be done through the selection of a mix of output voltages, currents and on/off times. The integrated device allows the system designer to control the LED brightness and power consumption with excellent performance.

System Design with ISL1904FAZ-TK

Designing a complete system around the ISL1904FAZ-TK requires a detailed analysis of the intended application and the specific requirements of the system. This includes the selection of the driver, input voltage and output current required for the application and the selection of the LEDs and their specifications. During the design process, the system designer must evaluate the quiescent current, output ripple and efficiency of the system and make any necessary adjustments to optimize system performance. The evaluation and selection of the LEDs should consider their light output as well as their voltage and current rating.

Conclusion

The ISL1904FAZ-TK is an integrated power management and LED driver IC device which offers a wide range of features and applications, making it a reliable and cost-effective solution for system designers. The device offers low quiescent current, wide input voltage range, high power efficiency and protection against over temperature and over voltage. The product is specifically designed to meet the needs of applications where LED drivers are required and provides system designers with a cost-effective and efficient solution.

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