TPS73028YZQR

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

The TPS73028YZQR is a fixed positive linear voltage regulator IC from Texas Instruments. It provides a fixed output voltage of 2.8V with a maximum load current capability of 200mA. The device features a low dropout voltage of 0.21V and is housed in a compact 5-DSBGA surface-mount package. It operates within an ambient temperature range of -40°C to +125°C.

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

• High power supply rejection ratio (PSRR) suitable for RF applications
• Integrated protection against over-current, over-temperature, reverse polarity, and under-voltage lockout

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

• RF circuits requiring high PSRR
• Portable battery-powered devices
• Embedded systems with strict size constraints

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

Verify the specific suffix 'YZQR' against the manufacturer's official datasheet to confirm pinout and electrical specifications. Ensure the component matches the required 2.8V fixed output and 200mA current rating for your design. Confirm the 5-DSBGA package dimensions align with your PCB footprint requirements before procurement.

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

Select this component when a stable 2.8V rail is needed with minimal voltage drop at loads up to 200mA. Its high PSRR makes it appropriate for noise-sensitive sections like RF front-ends. Consider the small 5-DSBGA package if board space is limited, while ensuring thermal management supports operation up to 125°C.

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

This part belongs to the TPS73xx series of low-dropout regulators designed for portable electronics. It utilizes BICMOS technology to achieve performance in a tiny footprint. The series is characterized by high PSRR and integrated protection features, targeting applications where power efficiency and signal integrity are critical.

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

The TPS73028YZQT and TPS73028YZQRE4 are confirmed substitutes with identical electrical characteristics and operating temperature ranges. Verify that the tape-and-reel packaging or specific suffix variations do not alter the functional pinout or performance parameters.