LDK130PU15R

LDK130PU15R is a high-performance, single-chip radio frequency digital power supply with an integrated low-drop-out (LDO) linear regulator. It is 1.5V fixed voltage, high efficiency and low quiescent current. It is designed to provide a high-performance, cost-efficient solution for many different applications, including embedded systems, computers, cellular phones, communications systems, and other portable electronic products. This article will discuss the application field and working principle of LDK130PU15R.

Application Field

LDK130PU15R is a versatile, high-performance, single-chip radio frequency digital power supply with an integrated low-drop-out (LDO) linear regulator. It is designed for use in applications such as cellular phones, wireless networks and remote sensing systems that require a high degree of power efficiency. It can provide up to 15 A of output current, with a power conversion efficiency of up to 95%. It is optimized for use with low quiescent current and includes an adjustable voltage output range from 1.0V to 1.5V. Because it is a single-chip solution, it can reduce the number of components and hence cost of the system.

LDK130PU15R is suitable for applications that require high accuracy, such as automotive infotainment, portable medical devices, and other power-sensitive electronics. This high-performance LDO is designed for use in applications with a wide input voltage range from 4.5V to 28V, allowing for great flexibility in power supply design. It also provides a wide variety of features, such as adaptive slew control and adjustable current limit, as well as small package sizes making it ideal for space-constrained designs.

LDK130PU15R is an ideal choice for battery operated applications, as it features low quiescent current mode, dynamic voltage scaling, and an integrated power management port. As such, it can help to extend the life of the battery by reducing its power consumption, thus providing the system longer operating times. In addition, it is backwards compatible with previous snap-on versions, making it a great drop-in solution for existing designs.

Working Principle

LDK130PU15R is a PMIC - voltage regulators - linear, which convert the energy from a higher voltage source to a lower voltage level through a series of integrated circuits. The device consists of four main components: the voltage reference, error amplifier, compensation capacitor, and the output stage. The voltage reference provides a fixed reference voltage, usually 1.5V, from which all other voltages in the device are derived. The error amplifier receives an input voltage from the voltage reference, along with an output voltage from the output stage, and compares them to determine the output voltage. The output voltage is regulated to the desired voltage level by adjusting the reference voltage.

The compensation capacitor stabilizes the output voltage by stabilizing the amount of current flowing through the output stage. Finally, the output stage converts the reference voltage and the error amplifier input voltage into the desired output voltage. The output stage consists of a low-dropout linear regulator, typically incorporated in the same package as the voltage reference, which gives the device its extremely low power consumption.

LDK130PU15R can operate both in continuous and pulse-width modulation (PWM) modes. In continuous mode, the output current is limited to 15A and the output voltage is regulated to the desired voltage level. In PWM mode, the device will modulate the output voltage in relation to the required load, in order to reduce the power consumption when the load is light. The device will switch back to continuous mode when the load is heavy.

LDK130PU15R is an ideal choice for applications that require a high degree of power efficiency, and it integrates all of the major functions that are necessary for efficient power delivery. By combining high performance and a small package size, the device can provide a cost-efficient and reliable solution for many different applications. With its wide range of features, such as low quiescent current mode, adaptive slew control, and adjustable current limit, it provides a great solution for applications that must maintain a high degree of power efficiency.