Microchip Technology MCP1633
Low-Side PWM Controller
FEATURES
● High Speed Current Mode Pulse-Width Modulator (PWM) Controller● Easy to Interface with PIC® Microcontroller for Implementing High-Performance LED Drivers
● Integrated General Purpose Operational Amplifier that can be Used for Current Sensing
● Internal Oscillator with Adjustable Frequency via External Resistor
● External Synchronization Option for the Oscillator
● Internal Slope Compensation Circuit
● Current Sense to VEXT Response <120 ns Typical
● Internal Leading Edge Blanking Circuit for Current Sense Input
● Programmable Current Sense Offset
● Internal Reference Voltage Generator
● Soft Start Capability
● Internal Push-Pull MOSFET Driver with 1A Peak Current Capability
● Internal MOSFET Driver for Dimming/Load Disconnect
● Input Voltage Range: 3V to 5.5V
● Undervoltage Lockout Circuit
● Output Overvoltage Protection
● Output Short Circuit Protection
● Overtemperature Protection
● Small 16-Pin QFN 3 x 3 mm Package
APPLICATIONS
● LED Drivers● Switch Mode Power Supplies...