PTPS7A2501DRVR Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
The TPS7A2501 is an ultra-low quiescent current adjustable LDO linear regulator delivering up to 300 mA from an 18V input with a 0.2V typical dropout voltage in a SOT-23-style 6-pin package. It includes a Power Good output flag and offers 0.006 %/V line regulation for precision low-power rail generation. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 7
- Lifecycle
- OBSOLETE
- Datasheet
- PTPS7A2501DRVR Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 300 mA output current with ultra-low quiescent current for battery life extension
- Up to 18V input voltage for wide input range compatibility
- 0.2V typical dropout voltage enabling efficient near-rail operation
- Adjustable output voltage with Power Good output flag
- 0.5% maximum load regulation for stable output across varying loads
Applications
The TPS7A2501 is designed for battery-powered devices, wearables, and IoT sensors where ultra-low quiescent current is critical to extending runtime between charges. Its adjustable output and 18V input tolerance also make it suitable for industrial sensor power supplies, always-on monitoring circuits, and precision analog front-end regulators that must maintain stable output from 300 mA loads with minimal standby power draw.
Specifications
| Date Of Intro | 2018-02-23 |
| YTEOL | 0 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.3V |
| Dropout Voltage1-Nom | 0.2V |
| JESD-30 Code | S-PDSO-N6 |
| Line Regulation-Max (%/V) | 0.006 |
| Load Regulation-Max(%) | 0.5% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.3A |
| Output Voltage1-Max | 17.64V |
| Output Voltage1-Min | 1.24V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| 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 | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PTPS7A2501DRVR:
Frequently Asked Questions
How does TPS7A2501's dropout voltage help in near-depleted battery scenarios?
The TPS7A2501 has a typical dropout voltage of only 0.2V and a maximum of 0.3V, which means it can regulate the output right up until the battery voltage drops to within 0.2V to 0.3V of the set output. For a 3.3V output powered by a Li-ion battery, the regulator remains active down to approximately 3.5V input, extending usable battery life compared to LDOs with 0.5V or higher dropout.
What output current capability does TPS7A2501 provide, and which load profiles is it designed for?
The TPS7A2501 delivers up to 300 mA of continuous output current, suitable for powering low-power microcontrollers, sensor ICs, wireless modules, and small analog circuits. The ultra-low quiescent current design ensures efficiency is maintained under light loads, making the 300 mA capacity available on demand while consuming minimal power during standby operation.
How does the Power Good flag of TPS7A2501 simplify system power sequencing?
The Power Good flag of TPS7A2501 asserts a logic-high output signal once the regulated output reaches 90% to 95% of its nominal voltage, providing an open-drain indicator that a downstream MCU or FPGA can monitor to determine when the power rail is stable. This eliminates the need for an external supervisor IC in simple single-rail systems, reducing BOM cost and PCB area in designs where proper power-on sequencing is required.
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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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