TPS79601DCQRG4

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

The TPS79601DCQRG4 is a single-output adjustable low-dropout (LDO) linear regulator from the Texas Instruments TPS796 series. It provides a maximum output current of 1 A with an input voltage range of 2.7 V to 5.5 V and an adjustable output voltage range of 1.2 V to 5.5 V. The device features a typical dropout voltage of 220 mV at full load and operates within a junction temperature range of -40°C to +125°C. Key electrical specifications include a quiescent current of 260 µA, line regulation of 0.05%/V, and load regulation of 5 mV. It is housed in a SOT-223-6 surface-mount package.

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

• High power supply rejection ratio (PSRR) optimized for RF applications
• Fast rise time enabled by rapid response control loop
• Integrated protection against overcurrent, thermal overload, reverse polarity, and undervoltage lockout

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

• Powering radio frequency (RF) circuits requiring ultralow noise
• Biasing stages in wireless communication modules
• Portable battery-powered electronic devices

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

Verify the specific suffix 'RG4' indicates RoHS compliance and green material status as per Texas Instruments documentation. Confirm the SOT-223-6 package marking and pinout alignment with your PCB footprint design. Ensure moisture sensitivity level handling procedures are followed during assembly to prevent package damage.

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

Select this component when designing systems that require high PSRR and fast transient response for sensitive analog or RF loads. The 1-A output capability supports moderate current demands while maintaining low noise performance. Consider the SOT-223-6 package for thermal management requirements within the specified operating temperature range.

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

This part belongs to the TPS796 family of ultralow-noise, high PSRR LDOs designed for Xilinx and Altera FPGA power solutions. It shares core architectural features with other variants in the series but differs in packaging and specific thermal characteristics. The DCQ package variant offers a compact solution for space-constrained board layouts.

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

Publicly confirmed substitute part numbers include TPS79601DCQ and TPS79601DRBRG4. Verify pin compatibility and thermal performance before substitution.