MCP1630V-E/MS

The MCP1630V-E/MS is a high-speed Pulse Width Modulator (PWM) used to develop intelligent power systems. When used with a microcontroller unit (MCU), it will control the power system duty cycle to provide output voltage or current regulation. The MCU can be used to adjust output voltage or current, switching frequency, maximum duty cycle and other features that make the power system more intelligent. Its inputs were developed to be easily attached to the I/O of a MCU. The MCU supplies the oscillator and reference to the modulator to provide the most flexible and adaptable power system. The power system switching frequency and maximum duty cycle are set using the I/O of the MCU. The reference input can be external, a D/A Converter (DAC) output or as simple as an I/O output from the MCU. This enables the power system to adapt too many external signals and variables in order to optimize performance and facilitate calibration.

• Voltage mode and average current mode control
• CMOS output driver (drives MOSFET driver or low-side N-channel MOSFET directly)
• External oscillator input (from PICmicro® Microcontroller (MCU))
• External voltage reference input (for adjustable voltage or current output application)
• Low operating current 2.8mA (typical)
• Fast output rise and fall times 5.9ns and 6.2ns
• Undervoltage lockout (UVLO) protection
• Output short-circuit protection
• Overtemperature protection

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