MICROCHIP MCP1812AT-033/TT

The MCP1811X/12X devices are 150 mA (MCP1811X) and 300 mA (MCP1812X) Low Dropout (LDO) linear regulators that provide high-current and low output voltages while maintaining an ultra-low 250 nA of quiescent current during device operation. In addition, the MCP1811B/12B can be shut down for 5 nA (typical) supply current draw. The MCP1811X/12X family comes in nine standard fixed output voltage versions: 1V, 1.2V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.3V and 4.0V. The 150/300 mA output current capability, combined with the low output voltage capability, make the MCP1811X/12X device family a good choice for new ultra-long life LDO applications that have high-current demands, but require ultra-low power consumption during Sleep periods. The MCP1811X/12X devices are stable with ceramic output capacitors that inherently provide lower output noise, and reduce the size and cost of the entire regulator solution. Only 1 μF (2.2 μF for MCP1812X) of output capacitance is needed to assure the stability of the system with a low noise output. The MCP1811X/12X family can be paired with other ultra-low current devices, such as Microchip’s eXtreme Low-Power (XLP) technology devices, for a complete ultra-low power solution.

• Ultra-Low Quiescent Current: 250 nA (typical)
• Ultra-Low Shutdown Supply Current:
  • 10 nA typical for MCP1811A/12A
  • 5 nA typical for MCP1811B/12B
• Output Current Capability:
  • 150 mA for MCP1811X
  • 300 mA for MCP1812X
• Input Voltage Range: 1.8V to 5.5V
• Standard Output Voltages: 1V, 1.2V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.3V and 4.0V
• Stable with Ceramic Output Capacitor: 1.0 μF (MCP1811X) and 2.2 μF (MCP1812X)
• Overcurrent Protection
• Output Discharge (Shutdown mode, SHDN = GND) MCP1811A/12A
• Available for the Following Packages:
  • 3-Lead SOT-23
  • 3-Lead SC70
  • 4-Lead 1 x 1 mm UDFN
  • 5-Lead SOT-23
  • 5-Lead SC70

• Energy Harvesting
• Long-Life, Battery-Powered Applications
• Smart Cards
• Ultra-Low Consumption “Green” Products
• Wearable Electronics (smart watches, bracelets, headsets)
• Medical Devices (hearing aids)