LM2780TPX

Voltage Regulators - DC DC Switching Regulators Overview

The LM2780TPX is a charge pump voltage regulator manufactured by Texas Instruments, designed to invert input voltages. It provides an output current of 50mA and operates with a switching frequency of 12kHz. The device does not utilize synchronous rectification. It is rated for an operating temperature range of -40°C to 85°C (TA) and utilizes a surface mount mounting type.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Inverts input voltage polarity using charge pump technology
• Provides regulated negative output voltage
• Operates without synchronous rectification

Voltage Regulators - DC DC Switching Regulators Applications

• Power supply circuits requiring inverted voltage rails
• Biasing applications for operational amplifiers or sensors needing negative supply
• General purpose DC-DC conversion in portable electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TPX' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure the required output current of 50mA aligns with your circuit design constraints. Confirm thermal performance within the specified -40°C to 85°C ambient temperature range for your intended application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a simple, low-cost solution for generating a negative voltage from a positive source is required. Consider the 50mA output limit and 12kHz switching frequency when evaluating efficiency and noise requirements. Verify that the non-synchronous design meets the power dissipation needs of the target system.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2780 series belongs to Texas Instruments' Power Management Integrated Circuits (PMIC) family, specifically categorized under Voltage Regulators - DC DC Switching Regulators. This part number represents a specific variant optimized for charge pump inversion applications, distinct from linear regulators or step-down converters.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution guides for compatible charge pump inverters. Verify pin compatibility and electrical parameters such as output current and operating voltage range before replacing.