MCP1825S-3302E/AB

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

The MCP1825S-3302E/AB is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Microchip Technology. It provides a stable 3.3 V output with a maximum continuous current of 500 mA. The device operates within an input voltage range of 2.1 V to 6 V and features a typical dropout voltage of 0.21 V at full load, with a maximum of 0.35 V. Key electrical specifications include a quiescent current of 220 µA, line regulation of 0.05 %/V, and load regulation of 0.5 %. The unit is housed in a TO-220-3 through-hole package and supports an operating temperature range from -40 °C to +125 °C.

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

• CMOS architecture designed for high efficiency and low power consumption
• Integrated protection mechanisms including thermal shutdown, short-circuit current limiting, and under-voltage lockout
• Fixed positive output configuration ensuring precise voltage stability

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

• Battery-powered portable electronic devices requiring efficient power management
• Embedded systems and microcontroller supply rails
• Industrial control equipment operating in wide temperature environments

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

Verify the specific suffix codes against official Microchip documentation to confirm package type and temperature grade compatibility. Ensure that the ordering information matches the required pinout and thermal characteristics for the target application. Cross-reference datasheet revisions to confirm compliance with current manufacturing standards and material declarations.

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

Select this component when a robust through-hole solution is required for moderate current loads up to 500 mA. The TO-220-3 package facilitates effective heat dissipation compared to smaller surface-mount alternatives. Consider the input voltage headroom relative to the dropout characteristics to maintain regulation under varying load conditions.

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

This part belongs to the MCP1825 series of low-dropout regulators, which are engineered for applications demanding reliable performance with minimal external components. The series offers various output voltages and packaging options to suit different design constraints while maintaining consistent electrical performance metrics across the family.

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

Publicly confirmed substitute part numbers include MCP1825S-3302E/AT, MCP1825S-3302E/DC, and MCP1825S-3302E/ET. These variants share similar electrical characteristics but may differ in package style or specific thermal ratings.