MCP1258
MCP1258 is Low-Ripple Charge Pump manufactured by Microchip Technology.
- Part of the MCP1256 comparator family.
- Part of the MCP1256 comparator family.
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 m A
- 20 m VPP Output Voltage Ripple
- Thermal Shutdown and Short Circuit Protection
- Uses Small Ceramic Capacitors
- Switching Frequency: 650 k Hz
- Low-Power SLEEP Mode: MCP1256/7
- BYPASS Mode: MCP1258/9
- Low-Power Shutdown Mode: 0.1 µA (Typical)
- Shutdown Input patible 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
Applications
- Pagers
- Portable Measurement Instruments
- Home Automation Products
- PIC® MCU Bias
Typical Application
INPUT 1.8V to 3.6V
CIN 10 µF
C1 1 µF
ON / OFF
MCP1256
7 VIN VOUT 5
10 SHDN PGOOD
4 C1+ 8 C1-
C2+ 6 C2- 3
2 SLEEP GND 9
OUTPUT 3.3V
R1
COUT 10...
