MIC23163YMT-T5

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The MIC23163YMT-T5 is a synchronous, two-phase internal boost controller and a two-phase synchronously rectified buck/boost converter in a small, 8-pin package. It is used to provide a reliable point-of-load output voltage regulation solution without the need for an external FET or Schottky diode. The MIC23163YMT-T5 has a wide input voltage range of 4V to 16V and supports an output voltage range of 0.8V to 1.2V at 3A output current. It can be configured in either Buck-Boost (1/2) or Buck/Boost (2/1) topologies, allowing the user to optimize efficiency and/or output voltage range.

The MIC23163YMT-T5 utilizes dual-phase operation that provides improved regulation performance and reduced output voltage ripple compared to traditional Buck-Boost regulators. The MIC23163YMT-T5 is ideal for battery-powered applications, where power efficiency is critical. The device operates in Pulse Width Modulated (PWM) mode for greater than 4V of input-output differential. It provides programmable fixed frequency, user-selectable 1.2MHz/2.2MHz operation and intelligent, spread-spectrum modulation.

The MIC23163YMT-T5 provides adjustable soft-start to reduce input inrush current, and overtemperature/short circuit protection to ensure system safety. Built-in comprehensive diagnostics feature monitors the internal MOSFETs and rectifiers, allowing improved system component selection and circuit design. The current mode control helps in maintaining the output voltage ripple and small loop gain. The MIC23163YMT-T5 is available in an 8-pin MLP package and is qualified to AEC-Q100 standards.

The MIC23163YMT-T5 is a high-frequency, internal switch, point-of-load DC-DC converter designed with synchronous rectification technology. The device combines a two-phase, constant off-time, peak current mode internal PWM boost and a two-phase synchronously rectified buck or boost topologies to provide tight voltage regulation, high efficiency and high power density.

The MIC23163YMT-T5 utilizes a constant-on-time control mode for superior line- and load-transient response. It operates in a fixed frequency and features adaptive on-time control and spread-spectrum modulation that help suppress EMI noise. The device supports a wide range of input voltage, from 4V to 16V, and a wide output voltage range of 0.8V to 1.2V. It is able to deliver up to 3A of output current.

The MIC23163YMT-T5 features an internal soft-start circuit to prevent input noise and/or overcurrent. It also has an internal temperature monitor protects against overtemperature. Additionally, it has a power-good output to indicate when the output is in regulation and to indicate the device status. The MIC23163YMT-T5 is packaged in an 8-pin Micro Lead Frame (MLP) package and is qualified to AEC-Q100 standard.

The MIC23163YMT-T5 is suitable for embedded systems, such as digital TV, DSL/Cable modems, test equipment, handheld/battery-powered/portable devices, RF modules, and voltage conversion applications. By incorporating the MIC23163YMT-T5 in an application, designers can achieve a reliable point-of-load output voltage regulation solution without the need for an external FET or Schottky diode.

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