UCD7242RSJR Integrated Circuits (ICs)

Introduction

The UCD7242RSJR is a dual, three-channel pin-selectable integrated synchronous PWM step-down regulator with differential remote sense capability. The UCD7242RSJR delivers adjustable output voltages as low as 0.6V, up to 84A of continuous output current and a switching frequency up to 1.2MHz, making it suitable for a wide range of advanced battery-powered applications such as portable FPGA/DSP, mobile gaming platforms, and mobile devices.

Application Field

UCD7242RSJR belongs to PMIC - Voltage Regulators - DC DC Switching Regulators. It features integrated 120V synchronous rectifier capable of delivering current as high as 84A with minimal power losses, and external dual voltage sense capability that allow user to accurately adjust output voltage. These features enable the UCD7242RSJR to be developed into a variety of power and energy-saving applications.

UCD7242RSJR can be applied to multiple fields, such as mobile computing and communications, portable Internet of Things (IoT) and gaming platforms, mobile medical device, vehicle systems, servers and storage systems, M2M and industrial applications, power utilities and industrial automation, etc.

Features

The UCD7242RSJR offers five integrated N-channel MOSFETs, dual regulation ports, and precision integrated pull-up gate drivers to maximize power efficiency and reduction in circuit size. All five channels feature user programmable OVP, UVLO and WOC protection circuits, various system parameters and user-defined settings. The UCD7242RSJR also has a host of features to enhance system performance and reduce power consumption, including adjustable soft-start, adjustable current-limit and adaptive load line.

Working Principle

The UCD7242RSJR works by syncing with external Clock signal to modulate the voltage delivered to load. The output voltage is controlled by p-channel external voltage sense, while the output current is monitored by r-channel remote sensing. Internally, the regulator includes five internal N-channel MOSFETs which switch at the same frequency, ensuring greater efficiency and a minimized size. The UCD7242RSJR is an ideal choice for a wide range of advanced, high current applications which require the utmost efficiency.

Conclusion

The UCD7242RSJR is a versatile dual three-channel pin-selectable integrated synchronous PWM step-down regulator from PMIC - Voltage Regulators - DC DC Switching Regulators family. It delivers adjustable output voltages down to 0.6V, up to 84A of continuous current and up to 1.2MHz of switching frequency. It also offers five integrated N-channel MOSFETs, dual regulation ports, and precision integrated pull-up gate drivers to maximize power efficiency and reduction in circuit size. The UCD7242RSJR is ideal for a variety of power and energy-saving applications ranging from mobile computing to power utilities and more.