Description

Synchronous Current-Mode Buck Controller with Constant On-time, 0.6 V Reference Voltage, and Power Saving Mode Features: Power input voltage as low as 2.75 V to 20 V Bias supply voltage range: 2.75 V to 5.5 V Minimum output voltage: 0.6 V 0.6 V reference voltage with ±1.0% accuracy Supports all N-channel MOSFET power stages Available in 300 kHz, 600 KHz, and 1.0 MHz options No current-sense resistor required Power saving mode (PSM) for light loads (ADP1873 only) Resistor Programmable Current Sense Gain Thermal overload protection Short-circuit protection See data sheet for additional features