MC34716EP

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MC34716EP is an integrated circuit designed and manufactured by many manufacturers, such as Micrel and Maxim Integrated. It is an integrated voltage regulator power management IC (PMIC) with a range of voltage settings which are specifically optimized for low quiescent current operation. This PMIC falls into the Special Purpose category of Voltage Regulators, and is suitable for many applications.

The MC34716EP features a wide range of settings for output voltage settings ranging from 0.9V up to 6V, allowing for a variety of applications that require a specific voltage output for powering low voltage microprocessors, FPGAs and other digital components.

Although the device is primarily intended for low quiescent current operations, it supports power dissipation at high currents or large loads, and can drive 3A without the use of a heat sink or other components. Additionally, its low voltage dropout of only 125mV @ 3A and 250mV @ 6A provides an efficient solution for many applications that require a great deal of power delivered quickly.

This PMIC is also very versatile, and can be configured for a variety of functions. It can be used in boost, buck, buck/boost and linear configurations, as well as for applications that require a combination of these configurations. Additionally, the device supports thermal and reverse current protection, over-voltage and under-voltage protection, and soft-start and shutdown functions.

The MC34716EP is manufactured using N-channel MOSFETs, which help it provide a high efficient current regulation for applications with thin profile demands. Additionally, the device has an internal low-side current limiter which prevents current overshoots or peak current spikes.

In terms of working principle, the device operates by regulating the output voltage to a predefined set point. When an over-voltage condition is detected, the device’s MOSFETs act as switches. They are open circuits when the output voltage exceeds the set point, diverting all current away from the output. In contrast, when the output voltage is too low, the MOSFETs act as closed circuits, allowing current to flow and subsequently raising the output voltage. The device’s current limiter also helps maintain current flow within an acceptable range, further ensuring proper voltage regulation.

In conclusion, the MC34716EP is a versatile, efficient PMIC ideal for many low-voltage applications. Its support for multiple configurations, as well as its good current regulation, makes it a great choice for applications requiring thin profiles and low quiescent current operations. Additionally, its easy use means far less time spent designing the circuits, allowing engineers to focus more on their applications and getting the best from their designs.

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