MAX1777
Description
The MAX1777/MAX1977/MAX1999 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems.
Key Features
- No Current-Sense Resistor Needed (MAX1999)
- Accurate Current Sense with Current-Sense Resistor (MAX1777/MAX1977)
- 1.5% Output Voltage Accuracy
- 3.3V and 5V 100mA Bootstrapped Linear Regulators
- Internal Soft-Start and Soft-Stop Output Discharge
- Quick-PWM with 100ns Load Step Response
- 3.3V and 5V Fixed or Adjustable Outputs (Dual Mode™)
- 4.5V to 24V Input Voltage Range
- Ultrasonic Pulse-Skipping Mode (25kHz min)
- Power-Good (PGOOD) Signal