MCP1257 PDF Datasheet
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Description
This is Low-Ripple Charge Pump. 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 kH- 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 3.6V Soft-Start Circuitry to Minimize Inrush Current Temperature Range: -40°C to +125°C Packaging: - 10-Pin, 3 mm x 3 mm DFN - 10-Pin, MSOP
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. The devices are specifically designed for applications .