High-Voltage Input Integrated Switch Step-Down Regulator
Features:
• Up to 96% Efficiency
• Input Voltage Range: 4.4V to 50V
• Output Voltage Range: 2.0V to 24V
• 2% Output Voltage Accuracy
• Passes Automotive AEC-Q100 Reliability Testing
• Integrated N-Channel Buck Switch: 600mΩ
• Minimum 500mA Output Current Over All Input Voltage Ranges (see Figure2-9 for Maximum Output Current vs. VIN)
- Up to 1.2A output current at 3.3V and 5V VOUT, VIN > 12V, SOT-23 package at +25°C ambient temperature
- Up to 0.8A output current at 12V VOUT, VIN>18V, SOT-23 package at +25°C ambient temperature
•500kHz Fixed Frequency
• Adjustable Output Voltage
• Low Device Shutdown Current
• Peak Current Mode Control
• Internal Soft Start
• Internal Compensation
• Internal Pull-up on the Enable pin
• Stable with Ceramic Capacitors
• Cycle-by-Cycle Peak Current Limit
• Undervoltage Lockout (UVLO): 4.1V to Start; 3.6V to Stop
• Overtemperature Protection
• Available Packages: 6-Lead SOT-23, 8-Lead 2mmx3mm TDFN
Applications:
• PIC® Microcontroller and dsPIC® Digital Signal Controller Bias Supply
• 48V, 24V and 12V Industrial Input DC-DC Conversion
• Set-Top Boxes
• DSL Cable Modems
• Automotive
• AC/DC Adapters
• SLA Battery-Powered Devices
• AC-DC Digital Control Power Source
• Power Meters
• Consumer
• Medical and Health Care
• Distributed Power Supplies
https://ww1.microchip.com/downloads/en/DeviceDoc/MCP16331-Data-Sheet-20005308.pdf
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