MCP1812BT-018/TT

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The MCP1812BT-018/TT is a fixed-output Low Dropout (LDO) linear regulator from the MCP1812B family, manufactured by Microchip Technology. It provides a nominal output voltage of 1.8 V with a maximum continuous output current capability of 300 mA. The device operates within an input voltage range of 1.8 V to 5.5 V and maintains an ultra-low quiescent current of 250 nA during normal operation. In shutdown mode, it draws only 5 nA typical supply current. The component is housed in a 3-Lead SOT-23 package and is designed for stable performance with ceramic output capacitors.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low power consumption with 250 nA quiescent current during operation and 5 nA in shutdown mode
• High current delivery capability up to 300 mA for demanding loads
• Stable operation with small ceramic output capacitors to minimize solution size
• Integrated overcurrent protection for enhanced circuit reliability

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Energy harvesting systems
• Long-life battery-powered applications
• Wearable electronics such as smart watches and headsets
• Medical devices including hearing aids

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix 'TT' against official documentation to confirm packaging details. Confirm that the 'B' designation indicates the absence of internal output discharge functionality compared to the 'A' variant. Ensure compatibility with the required 1.8 V fixed output specification for the target design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when high output current near 300 mA is required alongside minimal standby power consumption. The 1.8 V fixed output suits digital logic or sensor rails needing precise regulation. Consider the 3-Lead SOT-23 package for space-constrained PCB layouts requiring surface-mount assembly.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the MCP1811A/11B/12A/12B family of ultra-low quiescent current LDO regulators. The '12' prefix denotes the 300 mA output current class, while the 'B' suffix specifies the version without output discharge features. The '018' indicates the fixed 1.8 V output voltage option available within the standard product lineup.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

MCP1812AT-018/TT