Microchip MCP1623 and MCP1624 Synchronous Boost Regulators

Microchip Technology introduced the MCP1623 and MCP1624 (MCP1623/4) Synchronous Boost Regulators. The MCP1623 and MCP1624 regulators enable designers to reduce the size and number of batteries without increasing costs. The MCP1623/4 regulators can be utilized with any PIC microcontroller for < 0.7V VDD operation. The MCP1623/4 Synchronous Boost Regulators are available in a 6-pin, SOT-23 package, for less than $0.20 each, in volume. Samples are available today. Volume-production quantity orders can be placed now.

Microchip Technology MCP1623 and MCP1624 Synchronous Boost Regulators

MCP1623 and MCP1624 Synchronous Boost Regulators Features

  • Up to 96% Typical Efficiency
  • 425 mA Typical Peak Input Current Limit:
    • IOUT > 50 mA @ 1.2V VIN, 3.3V VOUT
    • IOUT > 175 mA @ 2.4V VIN, 3.3V VOUT
    • IOUT > 175 mA @ 3.3V VIN, 5.0V VOUT
  • Low Start-up Voltage: 0.65V
  • Operating Input Voltage: 0.35V to 5.5V
  • Adjustable Output Voltage Range: 2.0V to 5.5V
  • Maximum Input Voltage < VOUT < 5.5V
  • Shutdown Current (All States): < 1 µA
  • PWM Operation at 500 kHz
  • Internal Synchronous Rectifier
  • Internal Compensation
  • Inrush Current Limiting and Internal Soft-Start
  • True Load Disconnect Shutdown
  • Low Noise, Anti-Ringing Control
  • Over-temperature Protection
  • Small Form Factor SOT23-6 Packaging

The MCP1623/4 Synchronous Boost Regulators extend battery life with up to 96% typical efficiency, shutdown current of less than one micro Ampere in all states and a true load-disconnect shutdown. The devices have an operating input voltage of 0.35 to 5.5V and an adjustable output voltage range of 2.0 to 5.5V. In reducing the number of batteries required, the MCP1623/4 regulators enable more environmentally friendly designs, with lower shipping and operating costs. The devices include over-temperature protection and provide 500 kHz PWM operation, enabling the use of smaller coils, with the MCP1624 providing automatic PWM/PFM switching.

More info: Microchip Technology