TPS7B8733QKVURQ1R2 Texas Instruments Integrated Circuit (Other) In Stock
The TPS7B8733QKVURQ1R2 is an AEC-Q100 qualified automotive LDO linear regulator with a fixed output voltage, 4.3 V to 40 V input range, and 0.36 V typical dropout voltage in a 5-pin SOP package. It withstands up to 42 V absolute maximum input for robust automotive transient protection. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TPS7B8733QKVURQ1R2 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.5100(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive-grade qualification supporting 4.3 V to 40 V input voltage range with 42 V absolute maximum for load dump transients
- Low 0.36 V typical dropout voltage at 5-pin SOP package enabling efficient LDO regulation in automotive body electronics
- Fixed output voltage with RoHS-compliant lead-free construction for high-reliability automotive power rail design
Applications
The TPS7B8733QKVURQ1R2 is designed for automotive body control modules, ADAS sensor power rails, and infotainment systems requiring a robust, low-dropout voltage regulator that tolerates the 40 V load dump transients common on 12 V automotive batteries. Its AEC-Q100 qualification ensures the device meets stringent automotive reliability screening for temperature cycling, humidity resistance, and electrical stress. The compact 5-pin SOP package enables integration into space-constrained automotive ECU power supply sections alongside switching pre-regulators.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.575V |
| Dropout Voltage1-Nom | 0.36V |
| Input Voltage Absolute-Max | 42V |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4.3V |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0066% |
| Load Regulation-Max | 0.01485% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 3.3379V |
| Output Voltage1-Min | 3.262V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.37,50TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR, 13 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.14mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 0.85% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does TPS7B8733QKVURQ1R2 handle automotive load dump transients on a 12 V vehicle battery?
The TPS7B8733QKVURQ1R2 supports a 40 V maximum input voltage with a 42 V absolute maximum rating, providing headroom to survive ISO 7637 load dump transients that can spike a 12 V automotive battery rail to 36 V or higher during alternator disconnection. This tolerance eliminates the need for an additional external transient voltage suppressor in many body electronics applications, reducing BOM cost.
What is the dropout voltage of TPS7B8733QKVURQ1R2 and how does it affect efficiency near the input rail?
The TPS7B8733QKVURQ1R2 has a typical dropout voltage of 0.36 V with a maximum of 0.575 V, meaning the device maintains regulation when the input is only 360 mV above the output. In automotive systems where the battery voltage may sag to 9 V during cold-crank conditions, this low dropout ensures the regulated output remains stable without switching to an unregulated passthrough mode.
What does AEC-Q100 qualification mean for TPS7B8733QKVURQ1R2 in automotive design-in decisions?
AEC-Q100 qualification confirms that TPS7B8733QKVURQ1R2 has passed standardized automotive integrated circuit stress tests including temperature cycling from -40°C to +150°C, humidity bias, electrostatic discharge, and high-temperature operating life tests. OEM and Tier-1 automotive ECU designers require this qualification to satisfy PPAP documentation, functional safety traceability, and long-term supply reliability requirements for vehicle production programs.
How does the fixed output configuration of TPS7B8733QKVURQ1R2 compare to an adjustable LDO for automotive sensor supply designs?
A fixed output voltage LDO like TPS7B8733QKVURQ1R2 eliminates the external feedback resistor divider required by adjustable regulators, reducing output voltage setting error due to resistor tolerance and simplifying PCB layout. For automotive radar sensors and camera modules that require precise fixed supply voltages such as 3.3 V or 5 V, the factory-trimmed fixed output achieves tighter initial accuracy than a discrete resistor-programmed adjustable regulator.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $1.9068 | $476.71 |
| 500+ | $1.8425 | $921.23 |
| 1000+ | $1.6300 | $1630.00 |
| 2500+ | $1.5400 | $3850.00 |
| 5000+ | $1.5100 | $7550.00 |
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