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MAX17543
EVALUATION KIT AVAILABLE
4.5V–42V, 2.5A, High-Efficiency, Synchronous Step-Down DC-DC Converter
with Internal Compensation
General Description
The MAX17543 high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrated MOSFETs operates over a 4.5V to 42V input. The converter can deliver up to 2.5A and generates output voltages from 0.9V up to 0.9 x VIN. The feedback (FB) voltage is accurate to within ±1.1% over -40°C to +125°C.
The MAX17543 uses peak current-mode control. The device can be operated in the pulse-width modulation (PWM), pulse-frequency modulation (PFM), or discontinuous conduction mode (DCM) control schemes.
The device is available in a 20-pin (4mm x 4mm) TQFN package. Simulation models are available.