MCP1601
500 mA Synchronous BUCK Regulator
Features
• Input Range of 2.
7V to 5.
5V • 3 Operating Modes: PWM, PFM and LDO • Integrated BUCK and Synchronous Switches • Ceramic or Electrolytic Input/Output Filtering
Capacitors • 750 kHz Fixed Switching Frequency • Oscillator Synchronization to 1 MHz PWM Mode • Auto-Switching from PWM/PFM Operation • 100% Duty Cycle Capable for Low Input
Voltage • 500 mA Continuous Output Current Capability • Integrated Under-
Voltage Lock-Out Protection • Integrated Over-Temperature Protection • Integrated Soft Start Circuitry • Low Output
Voltage Capability to 0.
9V • Temperature Range: -40°C to +85ºC • Small 8-Pin MSOP Package
Applications
• Low Power Handheld C...