MAX1966ESA+

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The MAX1966ESA+ is a highly efficient DC-DC converter switch controller designed by Maxim Integrated. It is used in a wide range of applications and is a great way to reduce cost and complexity in a design. The switch controller is designed to be used in both Non-Isolated and Isolated Time-Division Multiplexed (TDM) applications.

The MAX1966ESA+ provides a high degree of integration with a wide selection of features to help optimize system cost and performance. It provides up to 1000mA output current and up to 1.5A peak current as well as a wide input voltage range. Additionally, it supports multiple step-down, step-up, and inverting buck-boost configurations. The MAX1966ESA+ features a low switching frequency of 250kHz and the ability to switch up to 35V. It also includes a programmable soft start timer to limit inrush current, adjustable over-voltage protection, and adjustable over-temperature protection.

The MAX1966ESA+ can be configured to operate in Pulse-Width Modulation (PWM) or Pulse-Frequency Modulation (PFM) modes. In PWM mode, it operates as a constant-duty-cycle converter, using the feedback loop to adjust the duty cycle to keep the output voltage constant. In PFM mode, the peak current and resistor values are used to decrease the output voltage when the load varies.

Overall, the MAX1966ESA+ is an excellent choice of switch controller for many applications. Its wide range of features and low cost of implementation make it an attractive option. The MAX1966ESA+ is well-suited for battery charging, education, consumer, white goods, and communications system applications.

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