TPS76930DBVT Equivalent & Substitute Parts

Part Overview

The TPS76930DBVT is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. It delivers a fixed 3V output at 100mA with a maximum dropout voltage of 0.23V, housed in a SOT-23-5 package. The device includes integrated protection features for overcurrent, overtemperature, and reverse polarity conditions, with an enable control feature for power management applications.

The TPS76930DBVT carries a Last Time Buy product status, indicating end-of-life designation. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications requiring 3V linear regulation in compact form factors.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	3V
Output Current	100mA
Input Voltage (Max)	10V
Dropout Voltage (Max)	0.23V @ 100mA
Quiescent Current	28 µA
PSRR	60dB (1kHz)
Package	SOT-23-5 (SC-74A)
Operating Temperature	-40°C to 125°C
Protection Features	Overcurrent, Overtemperature, Reverse Polarity
Control Features	Enable

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on parametric equivalence and manufacturer recommendations:

Parametric Equivalents (Texas Instruments TPS76930/TPS78930 Series): These parts maintain identical or superior electrical specifications across output voltage, current rating, dropout voltage, quiescent current, protection features, and package form factor. Differences exist only in packaging format (Cut Tape vs. Tape & Reel), product status (Active vs. Last Time Buy), and PSRR performance in the TPS78930 variants.

Manufacturer Recommended Alternatives (STMicroelectronics and ABLIC Inc.): These parts provide functional substitution with variations in output current capacity, quiescent current, and maximum input voltage. Selection depends on application current requirements and thermal management constraints.

Key Substitution Criteria:

Fixed 3V output voltage
SOT-23-5 package compatibility
Enable control feature
Operating temperature range -40°C to 125°C
ROHS3 compliance and MSL Level 1 rating

Parameter Comparison

Part Number	Manufacturer	Output Current	Dropout Voltage	Quiescent Current	PSRR (1kHz)	Packaging	Product Status	Automotive Grade
TPS76930DBVT	Texas Instruments	100mA	0.23V @ 100mA	28 µA	60dB	Cut Tape	Last Time Buy	No
TPS76930DBVR	Texas Instruments	100mA	0.23V @ 100mA	28 µA	60dB	Tape & Reel	Active	No
TPS76930QDBVRG4Q1	Texas Instruments	100mA	0.23V @ 100mA	28 µA	60dB	Tape & Reel	Active	Yes (AEC-Q100)
TPS76930QDBVRQ1	Texas Instruments	100mA	0.23V @ 100mA	28 µA	60dB	Tape & Reel	Active	Yes (AEC-Q100)
TPS78930DBVR	Texas Instruments	100mA	0.23V @ 100mA	28 µA	85dB	Tape & Reel	Active	No
TPS78930DBVT	Texas Instruments	100mA	0.23V @ 100mA	28 µA	85dB	Cut Tape	Active	No
LD2980ABM30TR	STMicroelectronics	50mA	0.225V @ 50mA	150 µA	63dB	Cut Tape	Active	No
S-1200B30-M5T1G	ABLIC Inc.	150mA	0.21V @ 100mA	1 µA	70dB	Not Specified	Not For New Designs	No
S-1200B30-M5T1U	ABLIC Inc.	150mA	0.21V @ 100mA	1 µA	70dB	Tape & Reel	Active	No
S-L2980A30MC-TF-U	ABLIC Inc.	150mA	0.15V @ 50mA	1 µA	70dB	Tape & Reel	Active	No

Engineering Selection Recommendations

Direct Replacement (Identical Specifications): TPS76930DBVR and TPS78930DBVT provide direct functional replacement with Active product status. TPS76930DBVR maintains identical electrical performance and is available in higher volume (652,600 units). TPS78930DBVT offers improved PSRR performance (85dB vs. 60dB) while maintaining all other specifications.

Automotive Applications: TPS76930QDBVRG4Q1 and TPS76930QDBVRQ1 are qualified to AEC-Q100 automotive standards with Active product status. These variants are suitable for automotive and mission-critical applications requiring formal qualification documentation.

Higher Current Capacity: S-1200B30-M5T1U and S-L2980A30MC-TF-U support 150mA output current, exceeding the TPS76930DBVT specification. S-L2980A30MC-TF-U provides superior dropout voltage performance (0.15V @ 50mA). S-1200B30-M5T1U is recommended for new designs over S-1200B30-M5T1G, which carries Not For New Designs status.

Lower Current Capacity: LD2980ABM30TR from STMicroelectronics is suitable only for applications requiring 50mA or less. This part exhibits higher quiescent current (150 µA) and is not recommended as a primary substitute for 100mA applications.

Frequently Asked Questions (FAQ)

Q: Can TPS76930DBVR directly replace TPS76930DBVT? A: Yes. Both parts are electrically identical with 100mA output, 0.23V dropout voltage, and 60dB PSRR. The primary difference is packaging format (Tape & Reel vs. Cut Tape) and product status (Active vs. Last Time Buy). TPS76930DBVR is the recommended replacement due to Active status and higher inventory availability.

Q: What is the difference between TPS76930 and TPS78930 series? A: Both series deliver identical 100mA at 3V with 0.23V dropout voltage. The TPS78930 variants offer superior PSRR performance (85dB vs. 60dB at 1kHz), beneficial for noise-sensitive applications. All other electrical and thermal characteristics remain equivalent.

Q: Are automotive-qualified variants available? A: Yes. TPS76930QDBVRG4Q1 and TPS76930QDBVRQ1 are AEC-Q100 qualified with Active product status. These parts are suitable for automotive applications requiring formal qualification documentation.

Q: Can I use S-1200B30-M5T1U as a substitute? A: S-1200B30-M5T1U is functionally compatible with higher current capacity (150mA vs. 100mA) and superior dropout voltage (0.21V vs. 0.23V). However, it exhibits significantly lower quiescent current (1 µA vs. 28 µA), which may affect circuit behavior in applications relying on the original quiescent current specification. Verify compatibility with your specific application requirements.

Q: Why is LD2980ABM30TR not recommended? A: LD2980ABM30TR is rated for only 50mA output current, below the TPS76930DBVT specification of 100mA. Additionally, it exhibits higher quiescent current (150 µA) and higher maximum input voltage (16V). This part is suitable only for applications with reduced current requirements.

Q: What packaging options are available? A: Texas Instruments TPS76930/TPS78930 variants are available in Cut Tape (CT) and Tape & Reel (TR) formats. ABLIC Inc. parts are available in Tape & Reel format. All parts use the SOT-23-5 package form factor, ensuring mechanical compatibility.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, consistent with the original TPS76930DBVT specification.

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