TPS77118DGKR

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

The TPS77118DGKR is a fixed-output low-dropout linear regulator from Texas Instruments, providing a stable 1.8 V output with a maximum load current of 150 mA. It operates within an input voltage range of 2.7 V to 10 V and features a typical dropout voltage of 75 mV at full load. The device maintains a quiescent current of 125 uA and includes a power good output for system monitoring. It is housed in an 8-pin VSSOP package and supports operation across a temperature range of -40°C to +125°C.

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

• Provides a fixed 1.8 V regulated output suitable for sensitive digital logic
• Includes a power good signal output for reliable system initialization
• Operates with low quiescent current to minimize standby power consumption
• Designed for high line and load regulation accuracy

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

• Portable battery-powered electronic devices
• Embedded systems requiring stable low-voltage rails
• Microcontroller power supply circuits
• Communication modules needing clean power delivery

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

Verify the specific suffix 'DGKR' corresponds to the VSSOP-8 package and reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation before integration. Ensure thermal management aligns with the specified power dissipation limits under expected operating conditions.

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

Select this component when a fixed 1.8 V rail is required with moderate current demands up to 150 mA. Consider the low dropout characteristic for efficiency near the minimum input voltage threshold. Evaluate the VSSOP-8 footprint compatibility against existing PCB layout constraints and thermal requirements.

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

This part belongs to the TPS771 series of low-dropout regulators designed for portable applications. It shares architectural similarities with other variants in the family but differs in output voltage and package options. The series emphasizes low noise and fast transient response capabilities for modern embedded designs.

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

Direct substitutes include TPS77115DGKR (1.5 V) and TPS77133DGKR (3.3 V) if voltage levels can be adjusted. Verify pinout compatibility and thermal performance characteristics before swapping components in existing designs.