LM2787BPX

Voltage Regulators - DC DC Switching Regulators Overview

The LM2787BPX is a CMOS negative regulated switched capacitor charge pump regulator manufactured by Texas Instruments. It provides an adjustable negative output voltage, making it suitable for generating low-voltage negative rails in battery-powered devices and systems requiring negative supply lines. The device utilizes a step-down switching regulator topology with a charge pump-based design optimized for low-voltage operation. It is housed in an 8-USMD package. The component is characterized as a high-performance power management IC designed for applications needing efficient negative voltage generation without the complexity of inductive regulators.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides negative adjustable output voltage capability
• Utilizes charge pump-based design for low-voltage operation
• Employs step-down switching regulator topology

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered devices requiring negative rails
• Systems requiring low-voltage negative supply lines
• Applications needing efficient negative voltage generation without inductors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific manufacturer documentation for the LM2787BPX to confirm current availability status, as some sources indicate phase-out or limited stock conditions. Ensure the ordering information matches the exact suffix BPX for the 8-USMD package variant. Cross-reference part numbers with official Texas Instruments resources to avoid counterfeit components. Confirm RoHS compliance details through the official datasheet before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select the LM2787BPX when a compact solution for generating negative voltage from a positive source is required without using inductors. Consider its suitability for low-voltage input applications where efficiency and size are critical. Evaluate the adjustable output range against system requirements. Verify that the 8-USMD package fits the PCB layout constraints. Compare performance characteristics with other charge pump regulators if higher current or fixed voltage options are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2787 series consists of high-performance power management chips from Texas Instruments. These components are designed for wide-ranging applications, focusing on efficient power conversion. The LM2787BPX specifically addresses the need for negative voltage generation in portable and battery-operated electronics. It belongs to a family of charge pump regulators known for their simplicity and effectiveness in low-power scenarios.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the LM2787 series or similar charge pump regulators from Texas Instruments. Verify pin compatibility and electrical specifications before substituting. Consult official replacement guides for any discontinued variants.