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MCP1252 - Low Noise / Positive-Regulated Charge Pump

General Description

The MCP1252/3 are inductorless, positive-regulated charge pump DC/DC converters.

The devices generate a regulated fixed (3.3V or 5.0V) or adjustable output voltage.

Key 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 S.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.