PTLV73328PQDBVRQ1 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The PTLV73328PQDBVRQ1 is an automotive-grade, capacitor-free 300 mA fixed LDO linear regulator from Texas Instruments with foldback current limiting, delivering exceptional 0.001% line regulation and 0.025% load regulation. It operates from 3.3V to 5.5V input in a compact 5-pin SOT-23 package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PTLV73328PQDBVRQ1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTLV73328PQDBVRQ1?
- Capacitor-free operation eliminating the need for output bypass capacitors, reducing BOM cost and PCB area in space-constrained automotive and portable designs
- Foldback current limiting protecting the regulator and load from damage during output short-circuit or overload conditions in safety-critical automotive applications
- Industry-leading 0.001% maximum line regulation and 0.025% load regulation ensuring highly stable output voltage across varying input and load conditions
- AEC-Q100 qualified automotive-grade design supporting 3.3V to 5.5V input range with 6V absolute maximum in a 5-pin SOT-23 package
What is PTLV73328PQDBVRQ1 used for?
The PTLV73328PQDBVRQ1 is designed for automotive infotainment, ADAS sensor modules, and vehicle body electronics where AEC-Q100 compliant, capacitor-free LDO regulation is required for powering microcontrollers and sensors. It is well-suited for portable automotive accessories, telematics units, and EV charging interface circuits where foldback current limiting provides essential load protection. The device also serves in industrial handheld instruments and battery-powered devices where compact, stable LDO regulation without output capacitors simplifies PCB layout.
What are the specifications of PTLV73328PQDBVRQ1?
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.33V |
| Dropout Voltage1-Nom | 0.5V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 3.3V |
| JESD-30 Code | R-PDSO-G5 |
| Line Regulation-Max | 0.001% |
| Load Regulation-Max | 0.025% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.3A |
| Output Voltage1-Max | 2.8392V |
| Output Voltage1-Min | 2.7608V |
| Output Voltage1-Nom | 2.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Technology | PMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 1.4% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the PTLV73328PQDBVRQ1 datasheet?
PTLV73328PQDBVRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTLV73328PQDBVRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does capacitor-free operation mean for the PTLV73328PQDBVRQ1?
Capacitor-free operation means the PTLV73328PQDBVRQ1 maintains stable regulation without requiring an output bypass capacitor, simplifying PCB design, reducing component count, and saving board space — especially valuable in compact automotive and portable electronic designs.
What is foldback current limiting in the PTLV73328PQDBVRQ1?
Foldback current limiting is a protection mechanism where the PTLV73328PQDBVRQ1 reduces both current and voltage during a short-circuit or overload condition, limiting power dissipation and protecting both the regulator IC and the load circuit from thermal damage.
What are the line and load regulation specifications?
The PTLV73328PQDBVRQ1 achieves 0.001% maximum line regulation and 0.025% maximum load regulation, indicating extremely stable output voltage performance across a wide range of input voltage changes and varying output load currents.
Is the PTLV73328PQDBVRQ1 qualified for automotive applications?
Yes, the PTLV73328PQDBVRQ1 carries an automotive-grade qualification (AEC-Q100) making it suitable for use in automotive infotainment, ADAS, body electronics, telematics, and EV systems requiring reliable operation across the automotive temperature and reliability requirements.
What package and input voltage range does the PTLV73328PQDBVRQ1 use?
The PTLV73328PQDBVRQ1 is housed in a compact 5-pin SOT-23 (R-PDSO-G5) surface-mount package and operates from a 3.3V to 5.5V input voltage range, with a 6V absolute maximum rating, making it suitable for 3.3V and 5V regulated supply environments.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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