PTLV73333PQDBVRQ1 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The PTLV73333PQDBVRQ1 is an AEC-Q100-qualified automotive LDO regulator from Texas Instruments, delivering 300 mA at 3.3 V with capacitor-free stability, foldback current limit, and a 3.8 V to 5.5 V input range in a 5-pin SOT-23 package.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PTLV73333PQDBVRQ1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive-qualified LDO for 3.3 V, 300 mA output, enabling use in vehicle ECU and ADAS sensor supply rails
- Capacitor-free stable operation eliminates mandatory output capacitor, reducing BOM cost and PCB area in space-constrained automotive modules
- Foldback current limiting protects against short-circuit and overload conditions, enhancing system reliability in harsh automotive environments
Applications
The PTLV73333PQDBVRQ1 is designed for automotive electronic control units, ADAS camera modules, and in-vehicle infotainment systems that require a reliable 3.3 V regulated supply from a 5 V bus. Its AEC-Q100 qualification and foldback current limit make it suitable for safety-relevant automotive power rails that demand robustness over –40°C to +125°C operating temperatures.
Specifications
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.32V |
| Dropout Voltage1-Nom | 0.5V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 3.8V |
| 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 | 3.3462V |
| Output Voltage1-Min | 3.2538V |
| Output Voltage1-Nom | 3.3V |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PTLV73333PQDBVRQ1:
Frequently Asked Questions
What makes the PTLV73333PQDBVRQ1 suitable for automotive applications compared to a standard LDO?
The PTLV73333PQDBVRQ1 is AEC-Q100 Grade 1 qualified, meaning it has been tested and validated for automotive temperature ranges of –40°C to +125°C and meets the reliability standards required for vehicle ECU, sensor, and infotainment supply rails.
Does the PTLV73333PQDBVRQ1 require an output capacitor for stability, and what does this mean for PCB design?
The PTLV73333PQDBVRQ1 is designed for capacitor-free operation, eliminating the mandatory output decoupling capacitor. This reduces BOM count and frees up PCB area in compact automotive modules where every square millimeter of the 5-pin SOT-23 board footprint is critical.
How does the foldback current limit on the PTLV73333PQDBVRQ1 protect a 3.3 V rail during a short circuit?
Under short-circuit or severe overload conditions, foldback current limiting automatically reduces output current below the normal 300 mA maximum, lowering power dissipation in the LDO pass element and preventing thermal runaway until the fault is cleared and normal regulation at 3.3 V resumes.
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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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