TPS7A3401DGNT

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

The TPS7A3401DGNT is a negative adjustable low-dropout linear regulator manufactured by Texas Instruments. It operates with an input voltage range from -20 V to -3 V and delivers up to 200 mA of output current. The device provides an adjustable output voltage ranging from -18 V to -1.18 V. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 27 dB, a maximum dropout voltage of 800 mV, and a quiescent current of 50 µA. It features line regulation of 0.14% and load regulation of 0.04%. The component is housed in an MSOP-8 package and supports an operating temperature range from -40°C to +125°C.

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

• Provides negative adjustable voltage regulation suitable for precision analog circuits requiring clean power rails.
• Integrates overcurrent protection and thermal shutdown mechanisms to safeguard the device and system during fault conditions.
• Features a CMOS logic-level compatible enable pin for efficient power management control.

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

• Powering negative voltage rails for operational amplifiers
• Supplying bias voltages for high-performance analog-to-digital converters
• Providing reference voltages for digital-to-analog converters

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

Verify the specific suffix 'DGNT' corresponds to the MSOP-8 package with exposed pad when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to integration. Ensure the ordering part number matches the required tape-and-reel or cut-tape quantity specifications defined in the product data sheet.

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

Select this component when a negative voltage rail is required for sensitive analog signal processing applications. The low quiescent current makes it suitable for battery-powered systems where efficiency is critical. Verify that the input voltage remains within the specified -20 V to -3 V range and that the load current does not exceed 200 mA to maintain stable regulation and thermal performance.

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

This device belongs to the TPS7A3401 series of low-noise, negative LDO regulators designed for high-precision applications. It complements positive voltage counterparts like the TPS7A4901 within the Texas Instruments portfolio. The series targets industries requiring stable, low-noise power supplies for instrumentation and communication equipment.

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

The TPS7A3401DGNTG4 is a verified lead-free variant of the same functional device. Check for equivalent negative LDOs with similar current ratings and voltage ranges if exact substitution is needed.