TPS75901KCG3

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

The TPS75901KCG3 is a positive adjustable low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It belongs to the TPS759xx series, designed for high-current applications with a maximum output current of 7.5A. The device features an input voltage range from 2.8V to 5.5V and provides an adjustable output voltage between 1.22V and 5V. Key electrical specifications include a typical dropout voltage of 400mV at full load, a quiescent current of 200µA, and a power supply rejection ratio (PSRR) of 58dB at 100Hz. It operates within a temperature range of -40°C to +125°C.

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

• High-output capability delivering up to 7.5A with low dropout voltage characteristics
• Integrated protection mechanisms including overcurrent, thermal shutdown, reverse polarity, and undervoltage lockout
• Adjustable output voltage configuration allowing precise regulation within specified limits
• Advanced BiCMOS manufacturing process ensuring fast transient response and stability

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

• Radar signal processing systems requiring stable high-current power delivery
• Computer power supplies and large flat-panel display modules
• Powering embedded digital signal processors (DSPs), microprocessors (MPUs), and microcontrollers (MCUs)
• Equipment utilizing programmable logic devices (PLDs) needing regulated voltage rails

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

Verify that the KCG3 suffix corresponds to the RoHS-compliant version of the TPS75901KC TO-220-5 package. Confirm pinout compatibility with existing designs, as the base TPS75901 family shares similar functionality but packaging variations exist. Ensure sourcing channels provide original manufacturer documentation to validate component authenticity and revision levels before integration into production.

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

Select this component when designing circuits requiring high continuous current output from a single LDO regulator. It is suitable for applications where input voltages are close to the desired output level, leveraging its low dropout特性. Consider the TO-220-5 through-hole package for ease of thermal management via heatsinking in space-constrained or high-power density environments compared to surface-mount alternatives.

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

This part is a specific variant within the TPS759xx family of high-current LDO regulators. While the TPS75901KTTT offers a surface-mount TO-263 package, the TPS75901KCG3 utilizes the TO-220-5 through-hole format. Both variants share identical electrical performance characteristics, including the 7.5A output capability and protection features, differing primarily in mounting style and thermal dissipation methods.

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

Direct substitutes include the TPS75901KTTR for surface-mount applications. For through-hole requirements, the TPS75901KC serves as the standard equivalent. Verify that any replacement maintains the same output current rating and package thermal resistance to ensure system reliability without redesigning the PCB layout or cooling infrastructure.