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TPS76333DBVTG4
Texas Instruments
IC REG LINEAR 3.3V 150MA SOT23-5
23340 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5
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- (89 Ratings)
TPS76333DBVTG4
Product Overview
1835408
DiGi Electronics Part Number
TPS76333DBVTG4-DGManufacturer
Texas Instruments
TPS76333DBVTG4
Description
IC REG LINEAR 3.3V 150MA SOT23-5Inventory
23340 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-23-5
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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TPS76333DBVTG4 Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
-
Series
-
Product Status
Discontinued at Digi-Key
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
10V
Voltage - Output (Min/Fixed)
3.3V
Voltage - Output (Max)
-
Voltage Dropout (Max)
0.5V @ 150mA
Current - Output
150mA
Current - Quiescent (Iq)
100 µA
Current - Supply (Max)
140 µA
PSRR
60dB (1kHz)
Control Features
Enable
Protection Features
Over Current, Over Temperature, Reverse Polarity
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Supplier Device Package
SOT-23-5
Base Product Number
TPS76333
Datasheet & Documents
HTML Datasheet
TPS76333DBVTG4-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Standard Package
250
Alternative Parts
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MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
La variété des options offertes par DiGi Electronics est impressionnante, permettant de choisir exactement ce dont nous avons besoin pour notre institution.
Dec 02, 2025
商品の品質が高く、長く使えそうです。
Dec 02, 2025
Shipping was fast and reliable, allowing me to plan my activities without any worries.
Dec 02, 2025
The post-sale support services are thorough and attentive.
Dec 02, 2025
I highly appreciate their proactive approach in customer service, which enhances overall satisfaction.
Dec 02, 2025
Choosing DiGi Electronics means enjoying quality service and prices that make sense.
Dec 02, 2025
Transparency in logistics tracking makes DiGi Electronics a trustworthy partner.
Dec 02, 2025
Shipping packaging was thorough, safeguarding against damage.
Dec 02, 2025
Their promptness in responding to post-sale queries greatly enhances customer confidence.
Dec 02, 2025
High-quality after-sales support gives us confidence in their services.
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Frequently Asked Questions (FAQ)
Can I replace the discontinued TPS76333DBVTG4 with a TPS76333DBVR in my existing SOT-23-5 layout without PCB modifications?
Yes, the TPS76333DBVR is a direct pin-for-pin and footprint-compatible replacement for the TPS76333DBVTG4, as both use the SOT-23-5 (SC-74A) package and share identical pinout, electrical characteristics, and thermal performance. However, verify that your application does not rely on the 'G4' suffix-specific date code or lot traceability, which may be required in regulated industries. Always confirm reel packaging and MSL compatibility during procurement to avoid assembly issues.
What are the key reliability risks when using the TPS76333DBVTG4 in a high-vibration industrial environment near its 125°C operating limit?
The TPS76333DBVTG4 is rated for -40°C to 125°C, but sustained operation near 125°C significantly reduces long-term reliability due to accelerated electromigration and bond wire fatigue. In high-vibration settings, the SOT-23-5 package’s small solder joints are more susceptible to mechanical stress cracking. To mitigate risk, ensure adequate PCB pad design with proper solder fillets, avoid thermal cycling extremes, and consider underfill or conformal coating if vibration exceeds 5G RMS. Monitor junction temperature using θJA (~206°C/W in still air) to prevent thermal runaway.
How does the dropout voltage of the TPS76333DBVTG4 compare to the MIC5235-3.3YM5-TR, and what input voltage margin should I design for in a 3.6V Li-ion battery system?
The TPS76333DBVTG4 has a maximum dropout voltage of 0.5V at 150mA, while the MIC5235-3.3YM5-TR offers a lower 0.35V dropout under the same conditions. In a 3.6V Li-ion system, the battery voltage can drop to ~3.0V under load. With the TPS76333DBVTG4, you need at least 3.8V input (3.3V + 0.5V) to maintain regulation—risking dropout during discharge. The MIC5235 allows operation down to 3.65V, providing better headroom. If battery life at low voltage is critical, consider the MIC5235 or a buck-boost converter instead.
Is the enable pin on the TPS76333DBVTG4 suitable for dynamic power sequencing in a multi-rail FPGA design, and what pull-up/down considerations apply?
Yes, the enable pin on the TPS76333DBVTG4 can be used for power sequencing, but it lacks precise turn-on thresholds and has a typical input hysteresis of only ~50mV, which may cause unintended toggling in noisy digital environments. For reliable sequencing, use a dedicated voltage supervisor or add an external RC filter (e.g., 10kΩ pull-up + 100nF cap to GND) to debounce the signal. Avoid floating the EN pin—always tie it high (via resistor) if not used—and ensure the control signal swings rail-to-rail to meet VIH > 1.8V and VIL < 0.4V for guaranteed state transition.
Can I parallel two TPS76333DBVTG4 regulators to increase output current beyond 150mA, and what are the thermal and current-sharing risks?
Paralleling TPS76333DBVTG4 devices is not recommended due to lack of current-sharing mechanisms and tight output voltage tolerances (±2% typical). Even minor VOUT mismatches cause one regulator to carry most of the load, leading to localized overheating and potential thermal shutdown. The SOT-23-5 package’s limited thermal dissipation exacerbates this under combined heat. Instead of paralleling, upgrade to a higher-current LDO like the TPS7A3301 (1A, adjustable) or use a switching regulator such as the TPS62130 for better efficiency and scalability above 150mA.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
TPS76333DBVTG4 CAD Models
Texas Instruments TPS76333DBVTG4 PCB symbols & footprints
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