ISL6406IV

Introduction

The ISL6406IV is a high-performance, integrated DC-DC switching regulator controller with a complete on-chip system designed for low power applications from 0.3V to 5.5V. It features a power optimization control loop, voltage/current monitoring features, low-contact resistances, and over-current protection. The device is designed to accept input voltages from 0.3V to 5.5V in order to provide wide compatibility with a variety of products for a variety of applications.

Application Field and Working Principle

The ISL6406IV provides excellent price/performance characteristics for DC-DC switching regulators. The ISL6406IV is suitable for use in portable electronic products, such as cellular phones, laptop computers, and battery-powered equipment, as well as any application requiring low power, high efficiency, and small size.

The ISL6406IV uses a unique variable frequency voltage mode (VFVM) control loop to provide fast transient response, low output voltage ripple, and wide input voltage range. The device also provides flexible output current monitoring, programmable over-current protection, and variable output voltage.

The ISL6406IV operates from 0.3V to 5.5V and provides an adjustable output voltage range up to 5.5V. The device also provides programmable rise/fall times, over-current protection, and over-voltage protection.

The ISL6406IV integrates a wide range of features to ensure high efficiency and system flexibility. This includes an integrated low RDSon power MOSFET, adjustable loop compensation, and temperature dependent switching frequency.

The ISL6406IV also includes built-in compensation allowing it to operate over a wide range of temperatures and conditions. The power MOSFET in the ISL6406IV is rated at 42V so it is suitable for high voltage applications.

Conclusion

The ISL6406IV is a high-performance and cost-effective DC-DC switching regulator controller with a complete on-chip system which provides fast transient response, low output voltage ripple, wide input voltage range, and low power dissipation for low power applications. The device also provides flexible output current monitoring, programmable over-current protection, and variable output voltage. The ISL6406IV provides excellent price/performance characteristics for DC-DC switching regulators.