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MCP1256 - Low-Ripple Charge Pump

General Description

The MCP1256, MCP1257, MCP1258 and MCP1259 are inductorless, positive regulated charge pump DC/DC converters.

The devices generate a regulated 3.3V output voltage from a 1.8V to 3.6V input.

Key Features

  • Inductorless 1.5x, 2x Boost DC/DC Converter.
  • Output Voltage: 3.3V.
  • High Output Voltage Accuracy: - ±3.0% (VOUT Fixed).
  • Output Current Up To 100 mA.
  • 20 mVPP Output Voltage Ripple.
  • Thermal Shutdown and Short Circuit Protection.
  • Uses Small Ceramic Capacitors.
  • Switching Frequency: 650 kHz.
  • Low-Power SLEEP Mode: MCP1256/7.
  • BYPASS Mode: MCP1258/9.
  • Low-Power Shutdown Mode: 0.1 µA (Typical).
  • Shut.

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Other Datasheets by Microchip Technology

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MCP1252 Low Noise / Positive-Regulated Charge Pump
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MCP1258 Low-Ripple Charge Pump
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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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MCP1256/7/8/9 Regulated 3.3V, Low-Ripple Charge Pump with LowOperating Current SLEEP Mode or BYPASS Mode Features • Inductorless 1.5x, 2x Boost DC/DC Converter • Output Voltage: 3.3V • High Output Voltage Accuracy: - ±3.0% (VOUT Fixed) • Output Current Up To 100 mA • 20 mVPP Output Voltage Ripple • Thermal Shutdown and Short Circuit Protection • Uses Small Ceramic Capacitors • Switching Frequency: 650 kHz • Low-Power SLEEP Mode: MCP1256/7 • BYPASS Mode: MCP1258/9 • Low-Power Shutdown Mode: 0.1 µA (Typical) • Shutdown Input Compatible with 1.8V Logic • VIN Range: 1.8V to 3.