Description

USB 5V 2.5A Output, 42V Input Synchronous Buck with Cable Drop Compensation Features: Wide Input Range: 5V to 42V Low Dropout Under All Conditions: 450mV at 2.1A Accurate 5V Output: ±1.3% Over Full Temperature Range Programmable Cable Drop Compensation Programmable Output Current Limit Output Current Monitor Dual Input Feedback Permits Regulation on Output of USB Switch Forced Continuous Mode for Fast Load Step Response High Efficiency Synchronous Operation at 2MHz: 93% Efficiency at 2.1A, 5VOUT from 12VIN 95% Efficiency at 0.9A, 5VOUT from 12VIN Fast Minimum Switch-On Time: 45ns Adjustable Output from 5.0V to 5.25V Adjustable and Synchronizable: 300kHz to 2.2MHz Small Thermally Enhanced 3mm × 5mm 24-Lead QFN Package