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MCP1259 - Low-Ripple Charge Pump

Download the MCP1259 datasheet PDF. This datasheet also covers the MCP1256 variant, as both devices belong to the same low-ripple charge pump family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MCP1256_MicrochipTechnology.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Microchip Technology

Part Number Description
MCP1252 Low Noise / Positive-Regulated Charge Pump
MCP1253 Low Noise / Positive-Regulated Charge Pump
MCP1256 Low-Ripple Charge Pump
MCP1257 Low-Ripple Charge Pump
MCP1258 Low-Ripple Charge Pump

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.

View original datasheet text
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.