Voltage - Output:	--
Base Part Number:	ISL97634
Supplier Device Package:	8-TDFN (2x3)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	1.45MHz
Current - Output / Channel:	70mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.4V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	SEPIC, Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ISL97634IRT14Z-TK Application Field and Working Principle

Introduction

The ISL97634IRT14Z-TK is a PMIC - LED driver for PMIC devices and is made by Intersil Corporation, a worldwide leader in the manufacturing and design of power management, radio frequency, analog and mixed signal integrated circuits. The highly integrated driver promises high performance and low system-level cost. It features a digital/analog architecture, enabling the flexibility and adaptation of the device to varying application needs. Its high-quality design and a wide input range minimizes the need for an external transformer further reducing system level BOM cost. The ISL97634IRT14Z-TK is a highly efficient and reliable compact driver that is suitable for use in a variety of systems and applications such as automotive lighting, industrial lighting, and general lighting. The device has been designed to provide a comprehensive solution for any system or application, using energy efficient solutions to reduce cost and improve system efficiency. The device is an ideal solution for PMIC applications, as it provides robust performance, easy integration, and optimal power efficiency.

Application Field

The ISL97634IRT14Z-TK PMIC - LED driver has wide range of applications in automotive lighting, industrial lighting, and general lighting. The device is capable of delivering high efficiency and reliability for a variety of LED driver applications and is able to meet the demanding requirements of these applications. The device offers an excellent solution for automotive lighting as it can be easily integrated into the automotive system and provides lightning performance. The device is well-suited for use in headlamps, brake lights, rear lights, and more. In addition, the device is well-suited for use in industrial lighting applications. Its high efficiency and remarkable performance guarantee reliable and energy saving solutions in this field. Lastly, the device is especially good for applications requiring general lighting such as signage, decorative lighting, and architectural lighting.

Working Principle

The ISL97634IRT14Z-TK relies on a high-frequency resonant converter topology to achieve a high efficiency and low power dissipation. The device uses a digital/analog architecture, which enables the flexibility and adaptation of the device to varying demand conditions. The ISL97634IRT14Z-TK implements an active PFC (power factor correction) to improve the power factor and reduce the distortion of the input current. This simplifies the design and reduces the total harmonic distortion (THD) of the line DC current. This feature reduces the need for an external power factor correction (PFC) stage and reduces the power loss in the system. The ISL97634IRT14Z-TK uses a constant on-time (COT) control algorithm to ensure stable output power and fast transient response. This control algorithm eliminates the need for an external controller and therefore reduces the size of the system. The device also features a current-mode control for higher precision. The LED driver is also protected against short circuit, overload, over-temperature, over-voltage, and under-voltage.

Conclusion

The ISL97634IRT14Z-TK is a PMIC - LED driver from Intersil Corporation. This device is ideal for a wide range of applications including automotive lighting, industrial lighting, and general lighting due to its high-efficiency and reliable operation. The device uses a digital/analog architecture to provide the flexibility and adaptation to varying demand conditions, while also utilizing a high-frequency resonant converter topology to achieve high efficiency and low power dissipation. The device\'s active PFC and COT control algorithm ensure stability and fast transient response without the need for an external controller. In addition, this device is also well-protected against common electrical hazards, making it a reliable and energy saving solution to any system or application.

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