MAX1762EUB

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The MAX1762EUB is a DC-DC switching controller integrated circuit (IC) in the Power Management IC (PMIC) voltage regulators. It features a Micro Power Shutdown mode, that shut down all circuit functions to reduce power consumption to less than 1uA. It also features a integrated charge pump compensator, that allows the chip to have a wider output voltage range, including negative output voltage. The MAX1762EUB is capable of driving external N-channel MOSFETs to switch DC power from a variety of input and output voltages. It is suitable for low power applications such as digital TV, DVD players and other consumer equipment.

The MAX1762EUB has a simple two-pin control input and a three-pin enable input. The two-pin control input is used to set the desired output voltage and frequency, while the three-pin enable input is used to enable or disable the IC. The MAX1762EUB also has two additional pins for an optional external feedback voltage divider. This divider can be used for applications where the output voltage needs to be adjusted to more accurately follow a reference. The MAX1762EUB also features a Maximum Duty Cycle Limit, that limits the minimum on-time duty cycle while still allowing a wide output voltage range.

The MAX1762EUB is primarily used in step-down DC-DC power converter applications, including but not limited to Fixed-frequency switching voltage regulators, Step-down switching current regulators, DC-DC converters, Step-up and Buck-boost converters. The MAX1762EUB offers excellent transient response, good line and load regulation, low component count and minimum external component requirements. It supports a wide input voltage range from 2V to 40V and output voltages up to 40V. It can operate at up to 2.5MHz switching frequency and is capable of driving an external N-channel MOSFET up to 20A.

The MAX1762EUB features an oscillator with adjustable frequency and an optimized architecture for fast transient response. It includes current-mode PWM control, which ensures good line and load regulation. It also includes an integrated N-channel MOSFET current-sense amplifier, that senses the output current while the MOSFET is on. This sense can be used to implement over-current protection, enabling the MAX1762EUB to be used in applications requiring high safety and reliability.

The MAX1762EUB is a highly efficient and low-cost switching controller IC, ideal for low power applications. It is small, easy to use and provides excellent regulation performance and low noise output. It also features a wide operating temperature range, up to 105°C. It is available in a space-saving 8-pin SOIC or 8-pin TDFN package and is RoHS compliant.

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