LP3965ES-3.3/NOPB

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

The LP3965ES-3.3/NOPB is a low-dropout linear regulator manufactured by Texas Instruments, featuring a fixed 3.3 V output and a maximum continuous output current of 1.5 A. It operates within an input voltage range of 2.5 V to 7 V and utilizes a TO-263 (D2PAK) surface-mount package with five pins. The device maintains line regulation at 0.02% and load regulation at 0.04%, ensuring stable performance under varying conditions. It supports an operating temperature range from -40 °C to +125 °C and includes built-in protection against overcurrent, thermal overload, and short circuits.

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

• Provides high-current regulation up to 1.5 A with fast transient response capabilities
• Integrates comprehensive protection mechanisms including overcurrent, thermal shutdown, and short-circuit safeguards
• Delivers precise voltage stability through tight line and load regulation specifications

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

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing extended operational life
• Embedded control circuits in industrial environments

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

Verify the specific suffix configuration against official Texas Instruments documentation to ensure compatibility with design requirements. Confirm that the TO-263 package dimensions align with PCB layout constraints. Check for RoHS compliance status and environmental declarations relevant to the manufacturing region. Ensure the component meets all applicable safety standards for the intended application environment before finalizing procurement decisions.

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

Select this regulator when a fixed 3.3 V output is required with high current capability. Consider the TO-263 package for applications needing robust thermal dissipation without additional heatsinking. Evaluate the input voltage range to ensure it accommodates the source supply variations. Compare line and load regulation specs against system sensitivity requirements to confirm adequate performance stability.

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

This component belongs to the LP3965 series of ultra-fast low-dropout regulators designed for demanding portable applications. The series offers various output voltages and packaging options to suit different design needs. The ES variant specifically denotes the TO-263 surface-mount package, providing a balance between current handling capacity and thermal performance for space-constrained designs.

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

Consult official substitution guides for compatible alternatives within the same family or across manufacturers. Verify pinout compatibility and electrical parameter equivalence before implementing any cross-replacement. Ensure that thermal characteristics and package dimensions match existing board layouts to avoid redesign efforts.