TPS73630MDBVREP Equivalent & Substitute Parts

Part Overview

The TPS73630MDBVREP is a linear voltage regulator IC manufactured by Texas Instruments, designed for positive fixed 3V output applications with 400mA current capacity in a compact SOT-23-5 surface mount package. This Active product provides regulated power management with integrated protection features including over-current, over-temperature, and reverse polarity protection. The device operates across an industrial temperature range of -55°C to 125°C and is ROHS3 compliant with unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified when alternative components meet the electrical and mechanical requirements for direct replacement in circuit applications, maintaining functional compatibility while potentially offering different inventory availability, performance characteristics, or supply chain advantages.

Substiute Parts

TPS73630MDBVREP

Texas InstrumentsIn Stock: 1944TPS73630MDBVREP Datasheet

Current PartRFQ

RT9193-30GB

Richtek USA Inc.In Stock: 20143RT9193-30GB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TPS73630MDBVREP are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

• Fixed output voltage of 3V
• SOT-23-5 package configuration for direct PCB footprint compatibility
• Positive output configuration
• Surface mount mounting type
• ROHS3 compliance and REACH unaffected status
• Active product status

The RT9193-30GB qualifies as a substitute based on matching output voltage (3V), identical package type (SOT-23-5), positive output configuration, and equivalent regulatory compliance. Differences in output current capacity (300mA vs 400mA), dropout voltage characteristics, quiescent current, and operating temperature range represent parameter variations that must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the TPS73630MDBVREP and RT9193-30GB are Active products with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

The TPS73630MDBVREP provides 400mA output current capacity with lower dropout voltage (0.2V) and extended operating temperature range (-55°C to 125°C), making it suitable for applications requiring higher current delivery or operation in extreme temperature environments. The device includes reverse polarity protection as an additional protection feature.

The RT9193-30GB offers reduced quiescent current (130 µA vs 550 µA) and superior power supply rejection ratio (70dB ~ 50dB), advantageous for low-power or noise-sensitive applications. Output current is limited to 300mA, and the operating temperature range is restricted to -40°C to 125°C. Moisture sensitivity level is MSL 3 (168 hours) compared to MSL 1 (unlimited) for the primary part.

Selection between these components depends on application-specific requirements for output current, temperature range, quiescent current performance, and moisture handling during storage and assembly.

Frequently Asked Questions (FAQ)

Q: Can RT9193-30GB directly replace TPS73630MDBVREP in all applications?

A: Direct replacement is possible only when application load current does not exceed 300mA and operating temperature remains within -40°C to 125°C. Applications requiring 400mA output current or operation below -40°C require the TPS73630MDBVREP.

Q: Are the PCB footprints identical between these parts?

A: Yes. Both components use the SOT-23-5 (SC-74A) package configuration, providing identical PCB footprint compatibility without layout modifications.

Q: What is the significance of the MSL rating difference?

A: TPS73630MDBVREP has MSL 1 (unlimited shelf life), while RT9193-30GB has MSL 3 (168-hour floor life after moisture exposure). MSL 3 components require controlled storage and handling procedures to prevent moisture absorption during manufacturing.

Q: How do the protection features differ?

A: TPS73630MDBVREP includes over-current, over-temperature, and reverse polarity protection. RT9193-30GB provides over-current and over-temperature protection without reverse polarity protection.

Q: Which part has better noise performance?

A: RT9193-30GB provides superior power supply rejection ratio (70dB ~ 50dB vs 58dB ~ 37dB), resulting in better attenuation of input voltage noise across the 100Hz to 10kHz frequency range.

Q: What are the quiescent current implications?

A: RT9193-30GB draws significantly lower quiescent current (130 µA vs 550 µA), reducing standby power consumption in battery-powered or always-on applications.