PS7B8233QDRVRQ1 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
Texas Instruments PS7B8233QDRVRQ1 is an automotive-grade, ultra-low quiescent current LDO linear regulator delivering 300 mA from a 6.25 V to 40 V input in a 6-pin SON package. It achieves 0.01% maximum line regulation and a 1.2 V maximum dropout voltage for stable always-on supply rails. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 7
- Lifecycle
- OBSOLETE
- Datasheet
- PS7B8233QDRVRQ1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PS7B8233QDRVRQ1?
- Automotive AEC-Q100 qualified LDO with 40 V maximum input, supporting direct connection to 12 V and 24 V vehicle battery rails including cold-crank and load-dump transients up to 45 V
- Ultra-low quiescent current minimizing standby power draw in always-on automotive body electronics and telematics control units
- 0.01% maximum line regulation and 1.2 V maximum dropout voltage providing precise fixed output across the full automotive operating temperature range
What is PS7B8233QDRVRQ1 used for?
The PS7B8233QDRVRQ1 is designed for always-on automotive body control modules, telematics units, and gateway ECUs that remain powered during vehicle sleep states and must minimize battery drain. Its high input voltage tolerance up to 40 V withstands automotive load-dump events, eliminating the need for external protection clamping in many designs. The small 6-pin SON package fits the compact PCB layouts typical of modern automotive electronic control units.
What are the specifications of PS7B8233QDRVRQ1?
| Date Of Intro | 2019-04-18 |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.2V |
| Dropout Voltage1-Nom | 2.95V |
| Input Voltage Absolute-Max | 45V |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 6.25V |
| JESD-30 Code | S-PDSO-N6 |
| Line Regulation-Max | 0.01% |
| Load Regulation-Max | 0.02% |
| 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 | 3.366V |
| Output Voltage1-Min | 3.234V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the PS7B8233QDRVRQ1 datasheet?
PS7B8233QDRVRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PS7B8233QDRVRQ1?
Compatible alternatives and drop-in replacements for PS7B8233QDRVRQ1:
Frequently Asked Questions
How does the PS7B8233QDRVRQ1 handle automotive load-dump transients, and what is its absolute maximum input rating?
The PS7B8233QDRVRQ1 has an absolute maximum input voltage of 45 V and a continuous operating maximum of 40 V, providing inherent tolerance to ISO 7637-2 Class A load-dump transients on 12 V vehicle battery rails. This margin allows the LDO to protect downstream logic circuitry during alternator disconnection events without requiring an additional transient voltage suppressor in many standard automotive system topologies.
For a telematics unit that must remain active in vehicle sleep mode, why is ultra-low IQ critical and how does this LDO help?
In vehicle sleep mode the telematics unit may need to stay powered for months from the 12 V battery, so every microampere of standby current matters. The PS7B8233QDRVRQ1's ultra-low quiescent current extends battery standby time by minimizing the self-discharge path through the always-on power supply, keeping the total system sleep current within the automotive target of a few hundred microamperes for a typical 60 Ah car battery.
What does the 0.01% maximum line regulation mean for downstream microcontroller supply stability across the 6.25 V to 40 V input range?
A line regulation of 0.01% means the output voltage changes by at most 0.01% for every volt of input variation across the 6.25 V to 40 V input range. For a 3.3 V output this corresponds to less than 0.33 mV of output shift over the entire input span, well within the 3% supply tolerance required by most automotive-grade microcontrollers and SoCs, ensuring stable operation during engine-start cranking and high-charging alternator conditions.
How does the 1.2 V maximum dropout voltage affect design choices when the automotive battery voltage drops during cold crank?
During cold engine cranking the 12 V vehicle battery can sag to as low as 6 V to 7 V for hundreds of milliseconds. With a maximum dropout voltage of 1.2 V the PS7B8233QDRVRQ1 maintains regulation on a 5 V output as long as the input stays above 6.2 V, matching the 6.25 V minimum input specification and ensuring the ECU microcontroller remains powered and operational throughout the crank event without a reset.
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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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