MCP1754T-5002E/OTVAO

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

The MCP1754T-5002E/OTVAO is a fixed-output Low-Dropout (LDO) voltage regulator from the MCP1754 family, manufactured by Microchip Technology. It provides a nominal output voltage of 5.0 V with a maximum continuous output current of 150 mA. The device operates within an input voltage range of 3.6 V to 16.0 V and features a typical quiescent current of 56.0 µA. It includes a shutdown control pin and a power good output indicator. The component is housed in a SOT-223-5 surface-mount package and is qualified under the AEC-Q100 automotive reliability standard.

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

• Features true current foldback protection that gracefully reduces output current during overload conditions.
• Includes a dedicated shutdown input for low-power standby operation and a power good open-drain output.
• Maintains stability with minimum 1.0 µF ceramic, tantalum, or aluminum electrolytic output capacitors.
• Provides robust protection against short circuits, overcurrent, and overtemperature events.

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

• Battery-powered devices
• Microcontroller power supplies
• Smart battery packs

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

Verify the specific suffix 'OTVAO' against official Microchip documentation to confirm package type and environmental compliance details. Ensure the ordering part number matches the required SOT-223-5 configuration and AEC-Q100 qualification status before procurement.

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

Select this component for applications requiring a fixed 5.0 V rail with up to 150 mA load capability. It is suitable for systems needing precise voltage regulation with minimal quiescent current consumption. Verify that the input voltage remains within the 3.6 V to 16.0 V operating range for proper regulation.

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

This component belongs to the MCP1754/MCP1754S family of high-performance LDO regulators. While the MCP1754S lacks control pins, the MCP1754 variant adds a shutdown input and a power good output, offering enhanced system management capabilities for complex embedded designs.

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

Direct replacements include other MCP1754 variants with different output voltages or packages, such as MCP1754ST-5002E/CB. Cross-family replacements require verification of pin compatibility and electrical specifications.

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

What is the function of the PWRGD pin?

The PWRGD pin is an open-drain output that indicates when the LDO output voltage is within 92% of its nominal value, providing a status signal for system monitoring.

How does the shutdown feature operate?

Pulling the SHDN pin to a logic low level disables the LDO output and enters a low quiescent current shutdown state, reducing power consumption significantly.