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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: N/A
Minimum Order: 146
Multiple Of: 73
Quantity Web Price
73 $3.24
146+ $2.94


Attributes Table
Supply Current-Max 2A
Supply Voltage 4.5V to 32V
Frequency-Max 1.6MHz
Input Voltage 32V
Topology Buck
Duty Cycle-Max 100%
Operating Temp Range -40°C to +125°C
Storage Temperature Range -65°C to +150°C
Output Current 25mA
Thermal Resistance 35.3°C/W
Features and Applications

The MCP19111-E/MQ is a highly integrated, mixed signal analog Pulse-Width Modulation (PWM) Current Mode Controller with an integrated microcontroller core for synchronous DC/DC step-down applications.


  • Input Voltage: 4.5V to 32V
  • Output Voltage: 0.5V to 3.6V
  • Switching Frequency: 100 kHz to 1.6 MHz
  • Peak Current Mode Control
  • Differential Remote Output Sense
  • Quiescent Current: 5 mA Typical
  • Thermal Shutdown
  • Significant Configurability: Adjustable Analog Compensation, Switching Frequency, MOSFET Deadtime
    I2C Communication Interface
  • Integrated 8-Bit PIC® Microcontroller
  • Integrated Synchronous High- and Low-Side MOSFET Drivers
  • Integrated Current Sense
  • Minimal External Components Needed
  • Custom Algorithm Support
  • Multi-Phase Systems:
    • Master or Slave
    • Frequency Synchronized
    • Common Error Signal
  • Multiple Output Systems:
    • Master or Slave
    • Frequency Synchronized