Description
The MAX1830/MAX1831 constant-off-time, pulse-widthmodulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers.
Features
- o ±1.5% Output Accuracy o 94% Efficiency o Internal PMOS/NMOS Switches
45mΩ/55mΩ On-Resistance at VIN = +4.5V 50mΩ/55mΩ On-Resistance at VIN = +3V o Output Voltages +3.3V, +2.5V, or +1.5V Pin Selectable (MAX1831) +2.5V, +1.8V, or +1.5V Pin Selectable (MAX1830) +1.1V to VIN Adjustable (Both Devices) o +3V to +5.5V Input Voltage Range o 750µA (max) Operating Supply Current o.
MAX1830_MaximIntegratedProducts.pdf
