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Analog Devices MAX17577 and MAX17578 DC-DC Converters are high-efficiency, high-voltage, inverting, Himalaya synchronous DC-DC converters with integrated MOSFETs and internal compensation. The devices generate output voltages (VOUT) from -0.9V to -36V and can deliver up to 1A of load current from a wide 4.5V to (60V – |VOUT|) input- voltage range. The MAX17577 and MAX17578 both feature peak current-mode control architecture. The MAX17577 operates in Continuous Conduction Mode (CCM) at all loads; thus, providing a constant frequency operation. The MAX17578 operates in Discontinuous Conduction Mode (DCM) for superior efficiency at light loads. Low minimum on-time allows higher switching frequencies and small solution sizes.
The MAX17577 and MAX17578 allow the EN/UVLO, active-low RESET, and RT/SYNC pins to be driven by signals that are referenced to system ground, eliminating the need for external-level shifter circuits. The feedback-voltage regulation accuracy is ±1.3% over a wide -40°C to +125°C temperature range. The Analog Devices MAX17577 and MAX17578 DC-DC Converters are available in a compact, 3mm x 3mm TDFN12 package.
