MIC2211-WMBML-TR

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The MIC2211-WMBML-TR from Micrel leads a wide range of products from the company’s Power Management Integrated Circuit (PMIC) family. This Voltage Regulators – Linear device offers programmable output voltage and current within a wide range for use in applications such as computing, consumer, automotive, and industrial applications. The MIC2211-WMBML-TR features 4.5V to 24V input voltage, adjustable output voltage range of 0.6V to 15V, adjustable output current of 0.5A to 7A, and a 1-Amp integrated power switch.

Features

• Integrated 1A power switch and output current limit
• Programmable output voltage
• Attractive form factor: 33-pin SOP and tightest voltage accuracy
• Integrated two-phase synchronous buck controller
• Integrated PFM mode for low power dissipation
• Programmable soft-start and thermal protection
• Low-profile design

Application Fields

The MIC2211-WMBML-TR is well suited for a number of applications, such as low-power computing, consumer, automotive, and industrial applications. It offers excellent line, load, and thermal regulation making it suitable for use in applications such as notebook computers, PCs, LCD monitors, PDAs, and other portable devices.

Working Principle

The MIC2211-WMBML-TR utilizes a two-phase synchronous buck controller to regulate its output voltage and current. The controller provides a PWM signal to a pair of external power MOSFETs, which in turn regulate the power output. The output voltage and current can be adjusted via one of the control pins on the device. This allows the controller to be optimized for a variety of different output voltages and currents.

In addition to the main synchronous controller, the MIC2211-WMBML-TR also includes an integrated 1-amp power switch and output current limit. This allows for efficient switching within the regulator and helps maintain the output voltage and current levels. The device also features integrated soft-start and thermal protection, which helps protect the device from damage due to overheating.

Overall, the MIC2211-WMBML-TR is a versatile and reliable voltage regulator that can be used in a variety of low-power applications. With its wide adjustable output voltage and current range, it can be tailored to meet the requirements of any application. Additionally, its low-profile design and integrated power switch make it an attractive choice for applications that require high power efficiency and low power dissipation.

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