TPS75818KC

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

The TPS75818KC is a fixed-output linear voltage regulator from the TPS758 family, manufactured by Texas Instruments. It provides a stable 1.8 V output with a maximum load current of 3 A. The device operates within an input voltage range of 2.8 V to 5.5 V and features a typical dropout voltage of 150 mV at full load. It is housed in a TO-220 package with five pins (TO-220-5). The unit maintains a line regulation of 0.04 %/V and load regulation of 0.15 %, with an output accuracy of 3 %. Quiescent current is specified at 120 uA, and it functions reliably across temperatures from -40°C to +85°C.

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

• Provides high-current regulation up to 3 A with ultra-low dropout characteristics for efficient power conversion.
• Integrates comprehensive protection mechanisms including overcurrent limiting, thermal shutdown, reverse polarity blocking, and undervoltage lockout.
• Delivers precise voltage stability with low line and load regulation errors suitable for sensitive analog and digital loads.

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

• Power management for microprocessors and field-programmable gate arrays requiring stable 1.8 V rails
• Battery-powered systems utilizing low-dropout efficiency to extend operational life
• Industrial control units operating in wide temperature environments

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

Verify the complete part number TPS75818KC against official Texas Instruments documentation to confirm the specific output voltage and package configuration. Ensure compatibility with thermal management requirements due to the TO-220 form factor. Cross-reference pin assignments and electrical specifications with the latest datasheet to prevent integration errors in circuit design.

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

Select this component when a fixed 1.8 V output is required with high current capability up to 3 A. The TO-220-5 package offers robust thermal performance for applications where heat dissipation is critical. Consider the input voltage range of 2.8 V to 5.5 V to ensure adequate headroom for the desired dropout voltage under varying load conditions.

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

This device belongs to the TPS758 series of low-dropout regulators designed for high-efficiency power delivery. The series includes various fixed output voltages and adjustable versions, catering to diverse system requirements. The TPS75818KC specifically addresses applications needing a regulated 1.8 V supply with significant current drive capabilities in a durable through-hole package.

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

Consult official substitution guides for equivalent LDOs with matching 3 A current ratings and 1.8 V fixed outputs. Verify pinout compatibility and thermal resistance values before replacing the TO-220-5 package with alternative manufacturers' components.