芯片MCP1252 (MCHP) 电荷泵

Low-Noise, Positive-Regulated Charge Pump


Features:
• Inductorless, Buck/Boost, DC/DC Converter
• Low Power: 80 µA (Typical)
• High Output Voltage Accuracy:
- ±2.5% (V
OUTFixed)
• 120 mA Output Current
• Wide Operating Temperature Range:
- Industrial Temperature (I): -40°C to +85°C 
- Extended Temperature (E): -40°C to +125°C
• Thermal Shutdown and Short-Circuit Protection
• Uses Small Ceramic Capacitors
• Switching Frequency:
- MCP1252: 650 kHz 
- MCP1253: 1 MHz 
• Low-Power Shutdown Mode: 0.1 µA (Typical)
• Shutdown Input Compatible with 1.8V Logic
•VINRange: 2.0V to 5.5V
• Selectable Output Voltage (3.3V or 5.0V) or 
Adjustable Output Voltage
• Space-Saving, 8-Lead MSOP
• Soft-Start Circuitry to Minimize In-Rush Current
• AEC-Q100 Qualified

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