Microchip Technology

MCP1802T-0902I/OT  

Linear & Switching Voltage Regulators

MCP1802T-0902I/OT Description

The MCP1802T-0902I/OT from Microchip Technology is a low-dropout (LDO) linear voltage regulator designed for high-performance, low-power applications. This fixed-output regulator delivers a stable 0.9V output voltage with a maximum input voltage of 10V, making it suitable for a wide range of power supply designs. With an output current capability of 260mA, it efficiently powers sensitive low-voltage circuits while maintaining excellent line and load regulation. The device operates with a low quiescent current of 50 µA, enhancing energy efficiency in battery-operated systems. Packaged in a compact SOT23-5 form factor, it is ideal for space-constrained applications.

MCP1802T-0902I/OT Features

• Fixed 0.9V Output: Ensures precise voltage regulation for low-power ICs and processors.
• High PSRR (70dB at 10kHz): Minimizes noise and ripple, critical for RF and analog circuits.
• Low Quiescent Current (50 µA): Optimizes power efficiency in portable and IoT devices.
• Over-Current Protection: Safeguards against excessive load conditions.
• Enable Control Pin: Allows for power management and sequencing in multi-rail systems.
• Wide Input Voltage Range (Up to 10V): Supports diverse power sources, including batteries and unregulated supplies.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Surface-Mount SOT23-5 Package: Enables compact PCB designs.

MCP1802T-0902I/OT Applications

• Battery-Powered Devices: Ideal for wearables, sensors, and IoT nodes due to low Iq and small footprint.
• Embedded Systems: Provides stable voltage to microcontrollers, FPGAs, and memory in industrial and consumer electronics.
• RF and Analog Circuits: High PSRR ensures clean power for sensitive components like ADCs and amplifiers.
• Portable Medical Devices: Reliable performance in glucose monitors, hearing aids, and other low-power medical equipment.
• Automotive Electronics: Suitable for infotainment and telematics systems requiring robust voltage regulation.

Conclusion of MCP1802T-0902I/OT

The MCP1802T-0902I/OT stands out as a high-efficiency, compact LDO regulator with superior noise rejection and low power consumption. Its combination of high PSRR, enable control, and over-current protection makes it a versatile choice for modern electronic designs. Whether in portable gadgets, industrial systems, or automotive applications, this regulator ensures reliable performance while meeting stringent power and space requirements. Its compliance with RoHS3 and REACH further underscores its suitability for environmentally conscious designs.

MCP1802T-0902I/OT Documents

Download datasheets and manufacturer documentation for MCP1802T-0902I/OT

Datasheets :

MCP1802      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP1802 Development Tool Selector      

Forum Discussions :

Microchip Tape & Reel Quadrants & Part Orientation      

HTML Datasheet :

MCP1802      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH