MAX16993AGJC/VY+GA

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The MAX16993AGJC/VY+GA is a Proportional-Integral-Derivative (PID) switching controller for high-efficiency, wide-output-voltage step-down dc-dc converters. It can drive a wide variety of external switches, including N-channel Mosfets, IGBTs, and BJT switches. This application note discusses the different functions of the MAX16993AGJC/VY+GA, provides an overview of its features and benefits, and outlines some of the applications where it can be used.

The MAX16993AGJC/VY+GA uses an on-chip Proportional-Integral-Derivative (PID) controller to provide highly precise, fixed-frequency, duty-cycle regulation for high-performance, wide-output-voltage step-down converters. The internal P-I-D controller enables precision switching duty-cycle control and is easily adapted to a variety of step-down converter topologies. It supports peak, valley, and battery shoot-through current limit detection. The voltage reference and error amplifiers have 8.1 mV offset, reduce system power loss, and allow operation at very low input voltages with excellent regulation.

The MAX16993AGJC/VY+GA\'s integrated output side gate drive stage has a floating-point gate drive with -2A drive current. An internal Peripheral Component Interconnect (PCI) bus allows the gate driver to be adjusted to match different gate characteristics. This gate drive enables high efficiency, wide output voltage step-down conversion. The MAX16993AGJC/VY+GA also includes a high-power-range MOSFET pre-driver, so that it may be used with low-side or high-side N-channel MOSFETs and IGBTs.

The MAX16993AGJC/VY+GA is a versatile device with a wide range of applications. It is useful for high-efficiency, wide-output-voltage step-down dc-dc converters in a variety of industries such as cellular handsets and portable electronics, computing, networking, industrial and automotive, and provides precise output voltage regulation and improved efficiency. Industrial and automotive applications can benefit from the device’s over-current protection and high ambient temperature operation. Additionally, the converters that use the MAX16993AGJC/VY+GA are designed to be cost-effective and provide a wide range of features while still meeting power requirements.

The MAX16993AGJC/VY+GA can be used with a variety of external switch modes (e.g. Buck, Buck-Boost, Boost, and Flyback) and many types of input and output configurations, such as single and multiple outputs and unregulated inputs. Its wide regulation range enables accurate control of the voltage over a wide range of the input voltage. Furthermore, its flexibility enables it to precisely control output voltage with higher step-down ratios and guide users to optimal efficiency. The device is well-suited for controlling dc-dc converters of any topology including synchronous rectification, valley-fill and shoot-through methods.

The MAX16993AGJC/VY+GA has a wide input voltage range from 6 V to 36 V and a wide output voltage range from 0.8 V to 24 V. The switching frequency can be adjusted from 200 kHz to 2 MHz using a resistor or an external control voltage. It also features non-volatile memory (NVM) storage for programmable settings. The device is available in a 6-pin SOT-23 package.

The MAX16993AGJC/VY+GA is a powerful and versatile switching controller that enables precision output voltage regulation with improved efficiency. Its integrated gate drive and MOSFET pre-driver, low-offset voltage comparators, and wide input and output voltage range make it an ideal choice for high-efficiency, wide-output-voltage step-down dc-dc converters.

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