NCP4330DR2G

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NCP4330DR2G is a voltage regulator subsystems (PMICs) consisting of the NCP4330, a three-phase synchronous buck controller and the NCP1605, a dual channel phase lock loop (PLL). This integrated phase locked loop (IPLL) support a single phase output, a dual phase output, or a three phase output. It has an extended input voltage range from 3 V to 30 V allowing the device to be used in a variety of applications such as automotive, server power supplies, and DC-DC converters. The device features a programmable high-current limit, excellent line and load transient response and output voltage accuracy over the wide temperature range for applications that require tight system control.

The NCP4330DR2G is capable of producing output voltages as low as 0.6V and output current up to 50A. It comes with a wide variety of features such as adjustable frequency and duty cycle, creating frequencies between 150 kHz to 1.25 MHz and PLL loop bandwidth selection to improve system stability. It also features a temperature-compensated fixed-ref voltage reference which allows for precision regulation of the output voltage from -40°C to +85°C.

The NCP4330DR2G is designed for use in applications that require tight control of voltage output. The device is well suited for use in automotive, server power supplies, and DC-DC converters. The adjustable frequency allows for synchronizing the device to an external signal or another NCP4330DR2G device to reduce EMI noise and eliminate beat frequency harmonics. The adjustable duty cycle function allows for dynamic voltage scaling of the output voltage while still maintaining high accuracy. The device also includes advanced current-limit protection to prevent overloading and associated problems.

The NCP4330DR2G is also well suited for point-of-load converters and distributed power systems. The programmable frequency and phase lock loop bandwidth selection allow for optimization of the system for both voltage output accuracy and transient response. The adjustable phase delay between phases helps reduce crosstalk in multi-phase applications. The device also supports the Pre-Emphasis control option that adjusts the PLL loop bandwidth and phase transition slope for optimal transient response.

The NCP4330DR2G is also designed for use in high-density memory application such as DDR memory systems. It features a Pre-Emphasis Control and a low RDS(on) MOSFET driver allowing for fast switching frequency and greater efficiency. The adjustable frequency and duty cycle allows for the dynamic control of the output voltage, while the adjustable phase delay reduces switching noise.

The working principle of the NCP4330DR2G is based on an adjustable frequency and duty cycle. The adjustable frequency is programmed through an external resistor or via an external clock signal. The output voltage is also adjustable and is programmed through an external voltage divider. The device also has an adjustable high current limit that is programmed through an external resistor. The PLL loop bandwidth is adjustable which helps improve system stability and the adjustable phase delay helps reduce crosstalk in multi-phase applications.

In summary, the NCP4330DR2G is a synchronous buck controller and dual-channel phase-locked loop designed for applications that require tight control of voltage output. It features an adjustable frequency, adjustable duty cycle, adjustable high current limit, PLL loop bandwidth selection and adjustable phase delay. The device is best suited for a variety of applications such as automotive, server power supplies, and DC-DC converters, as well as high-density memory application such as DDR memory systems.

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