LM3676SD-3.3/NOPB

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The LM3676SD-3.3/NOPB is a highly integrated high power DC/DC step-down converter with an output voltage of 3.3 V (±1%) and a maximum output current of 3.5 A. It is suitable for high-end desktop, server, and router applications. The LM3676SD-3.3/NOPB is a power management integrated circuit (PMIC) designed for low voltage solutions requiring high load current and performance. This PMIC is designed to effectively regulate a wide range of input power sources from battery, adapter, or wall transformer. As a DC/DC switching converter, the LM3676SD-3.3/NOPB regulates the voltage from the input power source and provides a clean, regulated output voltage (3.3 V). The LM3676SD-3.3/NOPB is designed for use in applications that require high reliability, such as high-end desktop and server systems.

The LM3676SD-3.3/NOPB is a step-down DC/DC switching regulator with adjustable switching frequency and output voltage. The DC/DC converter uses a Pulse Width Modulation (PWM) control scheme to regulate the input voltage to the desired output voltage. This control scheme is used to control the inductor current by switching the MOSFET switch ON and OFF periodically. The output voltage of the LM3676SD-3.3/NOPB can be adjusted by programming the switching frequency and the ON-time on the device. This helps in achieving a continuous output voltage regulation even under varying input voltage and load conditions.

The LM3676SD-3.3/NOPB has built-in over-voltage protection and under-voltage protection. The over-voltage protection feature keeps the output voltage from exceeding a set limit. The under-voltage protection monitors the output voltage and shuts down the output if it falls below a set level. This helps in protecting the external load from potential damage due to excessive voltage or current. The LM3676SD-3.3/NOPB also has built-in thermal protection. This helps in preventing the device from overheating due to excess power dissipation. It also has a power good output signal that indicates the status of the output voltage.

The LM3676SD-3.3/NOPB device has a low operating voltage of up to 3.5 V and a wide operating temperature range of -40°C to 105°C. It also has a high conversion efficiency of up to 96% and a high transient response. The device can be used in a wide variety of applications, such as point-of-load, dual-rail power supplies, distributed power supply architectures, hot-plug power supplies, and automotive systems.

The LM3676SD-3.3/NOPB allows for a flexible power supply architecture. It supports a variety of input voltage sources, such as AC/DC and DC/DC converters. The device also has a tight output voltage regulation that is within ±1% and a low output ripple regulation that is within 50 mV P-P. The LM3676SD-3.3/NOPB has a low quiescent current consumption of 1.2 mA, which helps in reducing system power consumption and improving system efficiency.

The LM3676SD-3.3/NOPB is a powerful and reliable DC/DC switching regulator that can be used in a variety of applications. Its high efficiency and low quiescent current consumption make it an ideal solution for power management applications, such as high-end desktop and server systems. The device also has built-in protection features, such as over-voltage and under-voltage protections, thermal protection, and power good output signal. Due to its high performance and reliability, the LM3676SD-3.3/NOPB is suitable for applications that require high power conversion.

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