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MCP1252/3
Low-Noise, Positive-Regulated Charge Pump
Features:
• Inductorless, Buck/Boost, DC/DC Converter • Low Power: 80 µA (Typical) • High Output Voltage Accuracy:
- ±2.5% (VOUT Fixed) • 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 • VIN Range: 2.0V to 5.5V • Selectable Output Voltage (3.3V or 5.