MCP1727-1202E/SN

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

The MCP1727-1202E/SN is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Microchip Technology. It provides a stable 1.2 V output with a maximum continuous current of 1.5 A. The device operates within an input voltage range of 2.3 V to 6 V and maintains a typical dropout voltage of 330 mV at full load, with a maximum of 550 mV. Key electrical specifications include a quiescent current of 220 µA, line regulation of 0.05 %/V, and load regulation of 0.5 %. The unit features a 2% voltage accuracy and includes integrated protection mechanisms such as thermal shutdown, short-circuit current limiting, and under-voltage lockout.

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

• Integrated enable pin and power-good status indicator for system control and monitoring
• Built-in thermal shutdown and short-circuit protection to ensure operational safety
• Low quiescent current consumption optimized for battery-powered applications
• High power supply rejection ratio (PSRR) for noise-sensitive circuit environments

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

• Portable consumer electronics requiring efficient power management
• Industrial control systems operating in extended temperature ranges
• Embedded microcontroller power supply rails
• Communication equipment signal conditioning circuits

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

Verify the complete part number against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with PCB footprint dimensions for the SOIC-8 package. Confirm RoHS compliance status if required by specific regulatory standards. Cross-reference datasheet revisions to validate pinout consistency before finalizing procurement orders.

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

Select this component when a high-current 1.2 V rail is required from a 2.3 V to 6 V input source. Consider the SOIC-8 package for standard surface-mount assembly processes. Evaluate thermal performance based on expected load currents and ambient temperatures. Compare quiescent current requirements against alternative regulators if battery life is a critical constraint.

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

This device belongs to the MCP1727 family of high-current LDO regulators designed for robust performance in demanding environments. The series offers various fixed output voltages and packaging options to suit diverse design needs. Microchip utilizes CMOS technology to achieve high efficiency and reliability. The family supports industrial and automotive-grade applications with extended temperature capabilities.

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

Direct substitutes include other MCP1727 variants with different fixed output voltages, such as MCP1727-3302E/SN or MCP1727-5002E/SN, provided the system voltage requirement changes. Verify that any replacement maintains the same 1.5 A current capability and SOIC-8 package form factor.