MCP1703RT-5002E/MB

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

The MCP1703RT-5002E/MB is a fixed-output low dropout linear regulator from the MCP1703 family, manufactured by Microchip Technology. It provides a stable 5.0V output with a maximum continuous current of 250 mA for output voltages at or above 2.5V. The device operates within an input voltage range of 2.7V to 16.0V and features a typical quiescent current of 2.0 µA. It utilizes a SOT-89-3 surface-mount package and includes integrated short-circuit and overtemperature protection.

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

• Maintains regulation with minimal ground current consumption
• Operates stably with small ceramic output capacitors
• Includes internal circuitry for overload and thermal shutdown

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

• Battery-powered devices
• Microcontroller power supplies
• Low quiescent current voltage references

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

Verify the specific suffix 'RT' against official Microchip documentation to confirm tape-and-reel packaging details. Ensure the ordering code matches the required SOT-89-3 package variant. Confirm availability status as datasheets may indicate lifecycle changes for specific suffixes.

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

Select this component when a fixed 5.0V rail is required with high efficiency under light loads. The wide input range supports single-cell lithium-ion or multi-cell alkaline battery configurations. Verify that the PCB layout accommodates the SOT-89-3 footprint and thermal requirements for the expected load current.

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

This part belongs to the MCP1703 series of CMOS low dropout regulators. The family offers various fixed output voltages and multiple package options including SOT-23A, SOT-223-3, and DFN-8. The MCP1703RT-5002E/MB specifically denotes the 5.0V version in the SOT-89-3 package.

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

What is the minimum output capacitance required for stability?

The device requires a minimum output capacitance of 1.0 µF for stability with loads up to 250 mA.

How does the device handle short-circuit conditions?

Internal circuitry monitors the pass transistor current and shuts down the device during a short circuit, attempting to restart once the condition clears.