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MAX17574 - Synchronous Step-Down DC-DC Converter

Description

The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input.

The converter can deliv­er up to 3A current.

Output voltage is programmable from 0.9V up to 90%VIN.

Features

  • a peak-current-mode control architecture. The device can be operated in the pulsewidth modulation (PWM), pulse-frequency modulation (PFM), or discontinuous-conduction mode (DCM) control schemes. A programmable soft-start feature allows users to reduce input inrush current. The device also incorporates an output enable/undervoltage lockout pin (EN/UVLO) that allows the user to turn on the part at the desired input voltage level. An open-drain RESET pin provides a delayed power-good signal to the.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Click here for production status of specific part numbers. MAX17574 EVALUATION KIT AVAILABLE 4.5V to 60V, 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation General Description The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 60V input. The converter can deliv­er up to 3A current. Output voltage is programmable from 0.9V up to 90%VIN. The feedback voltage regulation accuracy over -40°C to +125°C is ±0.9%. The MAX17574 features a peak-current-mode control architecture. The device can be operated in the pulsewidth modulation (PWM), pulse-frequency modulation (PFM), or discontinuous-conduction mode (DCM) control schemes.
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