SP6134HEU-L

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The SP6134HEU-L DC/DC Switching Controller is a high precision, low power Digital Controller for switching DC/DC Power Applications. It provides a high level of flexibility, accuracy, and power efficiency to meet the most demanding systems requirements. With its full range of features, the SP6134HEU-L is suitable for use in a wide variety of low power applications.

The SP6134HEU-L DC/DC Switching Controllers are designed to offer improved power efficiency and accurate current monitoring with wide input range, high output voltage accuracy, and ultra-low power loss. The controller uses a digital signal processor (DSP) to digitally control the output voltage to ensure important parameters such as line regulation and load regulation are met accurately and precisely. Additionally, the built-in protection functions provide comprehensive protection from common faults, such as over-voltage, over-current, and over-temperature. It also features a programmable system frequency and choice of oscillator reference for enhanced performance.

The SP6134HEU-L is targeted for application in various consumer and computing applications such as LCD/LED monitors and HDDs. It is also used for low power control of DC/DC converters used in point-of-load, microprocessor, and peripheral applications where high efficiency and stability are critical. The controller provides an excellent power performance solution with accurate line and load regulation of 0.89%, temperature coefficients of 2.5ppm/°C, and a maximum efficiency of up to 95%.

The SP6134HEU-L DC/DC Switching Controllers offer outstanding performance features to meet a wide range of design requirements. It includes a built-in fault protection function to protect sensitive loads from common over-current and over-voltage conditions. Additionally, the controller provides a programmable system frequency range from 0.2 to 3.2MHz, as well as a programmable output voltage which can be set within a range of 2.5 to 4.95V. With its wide range of features and functionality, the SP6134HEU-L is ideally suited for use in low power applications.

In terms of its working principle, the SP6134HEU-L DC/DC Switching Controller uses pulse width modulation (PWM) technology to regulate the output voltage of the device. The controller requires two independent signals, a reference clock and an onboard oscillator, to generate a series of high frequency pulses. During each clock cycle, a PWM output signal is generated and used to drive the DC/DC power supply\'s MOSFET switch. The duration of the pulse is determined by the reference clock and the onboard oscillator to achieve a regulated output voltage.

The frequency of the reference clock and the oscillator can be programmed for various applications. During every switching cycle, the SP6134HEU-L DC/DC Switching Controller measures the output voltage and adjusts its PWM signals accordingly to keep the output voltage within the desired range. In addition, it includes an integrated current sensing function which can reduce power losses and eliminate the need for external current sensing circuitry.

Using its advanced architecture, the SP6134HEU-L DC/DC Switching Controller provides a high level of flexibility and accuracy while reducing the total power loss. It is ideal for use in wide range of low power applications where high efficiency, stability and precise control are required.

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