PTPS7B8401QWDRBRQ1 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The PTPS7B8401QWDRBRQ1 is an AEC-Q100 automotive-qualified 150-mA adjustable LDO voltage regulator from Texas Instruments with ultra-low quiescent current, high PSRR, and a wide 3-V to 40-V input range for direct 12-V automotive battery operation. It achieves an extremely low dropout voltage of 43-mV maximum and excellent load regulation of 0.2% in an 8-pin Small Outline No-lead package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- OBSOLETE
- Datasheet
- PTPS7B8401QWDRBRQ1 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTPS7B8401QWDRBRQ1?
- Wide 3-V to 40-V input voltage range enables direct connection to automotive 12-V and 24-V battery rails without a pre-regulator
- Ultra-low 43-mV maximum dropout voltage maximizes efficiency and extends battery runtime in always-on automotive subsystems
- High PSRR suppresses switching noise from adjacent DC-DC converters, ensuring clean analog supply rails for sensitive sensors and ADCs
- AEC-Q100 automotive qualification guarantees reliable operation across extended temperature ranges and automotive electrical transient conditions
What is PTPS7B8401QWDRBRQ1 used for?
The PTPS7B8401QWDRBRQ1 is designed for always-on automotive subsystems such as body control modules, keyless entry receivers, and telematics units that must operate directly from a 12-V car battery while drawing minimal quiescent current. Its high PSRR also makes it suitable for powering precision analog front-ends, MEMS sensors, and CAN/LIN transceivers where supply noise would degrade signal accuracy.
What are the specifications of PTPS7B8401QWDRBRQ1?
| Date Of Intro | 2020-05-07 |
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.043V |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 3V |
| JESD-30 Code | S-PDSO-N8 |
| Line Regulation-Max (%/V) | 0.0053 |
| Load Regulation-Max(%) | 0.2% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 18V |
| Output Voltage1-Min | 1.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8(UNSPEC) |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Screening Level | AEC-Q100 |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PTPS7B8401QWDRBRQ1 datasheet?
PTPS7B8401QWDRBRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTPS7B8401QWDRBRQ1?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the PTPS7B8401QWDRBRQ1?
The device accepts an input voltage from 3 V to 40 V, which allows it to connect directly to 12-V or 24-V automotive battery rails, including the transient spikes defined in automotive load-dump specifications without damage.
What is the dropout voltage of the PTPS7B8401QWDRBRQ1?
The maximum dropout voltage is only 43 mV at the full 150-mA output current. This extremely low dropout enables the regulator to continue supplying a regulated output even when the input voltage drops close to the output voltage, which is critical during engine cranking or battery brownout events in vehicles.
Is the PTPS7B8401QWDRBRQ1 suitable for automotive designs?
Yes, the -Q1 suffix confirms AEC-Q100 Grade 1 automotive qualification. The device is tested to operate reliably over the full automotive temperature range, and it complies with automotive electrical environment requirements including load-dump transients up to 40 V.
What does high PSRR mean for the PTPS7B8401QWDRBRQ1?
High Power Supply Rejection Ratio (PSRR) means the LDO attenuates switching noise on its input before it reaches the output. This is critical in mixed-signal automotive ECUs where DC-DC converters create ripple that would otherwise corrupt sensitive analog sensor readings or RF receiver performance.
What package is the PTPS7B8401QWDRBRQ1 available in?
The device is packaged in an 8-pin Small Outline No-lead (SON) package with JESD-30 code S-PDSO-N8. This compact surface-mount package has a small PCB footprint and a thermal pad for improved heat dissipation in high-ambient-temperature automotive environments.
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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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