TPS7A7401DSDR Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
TPS7A7401DSDR is a 1.5 A low-dropout linear regulator with programmable soft start and adjustable output. Features 0.15 V typical dropout voltage at 1.5 A and input voltage range from 0.8 V to 6 V. Available in compact 8-pin SON package with RoHS-compliant construction.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- TPS7A7401DSDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.8159(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.5 A continuous output current with only 0.15 V typical dropout voltage, minimizing power dissipation in battery-powered and efficiency-sensitive designs
- Programmable soft-start function reduces inrush current during power-up, protecting downstream capacitors and load circuits
- Wide input voltage range of 0.8 V to 6 V with adjustable output supports diverse supply-rail architectures in industrial and consumer systems
Applications
TPS7A7401DSDR suits post-regulation stages in DDR memory supplies, FPGAs, and DSP core rails where tight output accuracy and low noise are critical. Its programmable soft-start and 1.5 A current capability make it a natural fit for solid-state drive power trees and portable instrumentation. The part also works well in wearable medical devices and IoT sensor nodes that demand low quiescent current and compact footprint.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.18V |
| Dropout Voltage1-Nom | 0.15V |
| Input Voltage-Max | 6V |
| Input Voltage-Min | 0.8V |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e4 |
| Line Regulation-Max (%/V) | 0.05 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1.5A |
| Output Voltage1-Max | 3.6V |
| Output Voltage1-Min | 0.65V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 1.5% |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| 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
What dropout voltage does TPS7A7401DSDR exhibit at full 1.5 A load?
At the maximum 1.5 A output current, TPS7A7401DSDR typically exhibits a dropout voltage of 0.15 V and no more than 0.18 V worst case, enabling efficient regulation from rails as close as 200 mV above the set output—ideal for 1.8 V or 3.3 V supply domains.
How do you configure the soft-start time on TPS7A7401DSDR to limit inrush current during power-up?
Soft-start duration is set with a single external capacitor on the SS pin; larger capacitance extends the ramp from 0 V to the target output, typically in the range of 1 ms to 50 ms, reducing inrush current below the 1.5 A steady-state rating and protecting bulk capacitors downstream.
Which supply-rail scenarios make TPS7A7401DSDR a better choice than a fixed-output LDO?
When the design requires an adjustable output between 0.8 V and 5.8 V—such as core rails for FPGAs that vary by speed grade—TPS7A7401DSDR offers flexibility unavailable in fixed regulators. Its 0.05 %/V line regulation and 1.5 A capability cover most FPGA and DSP core requirements in a single 8-pin SON footprint of approximately 2 mm × 2 mm.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.9471 | $236.77 |
| 500+ | $0.9111 | $455.56 |
| 1000+ | $0.9058 | $905.76 |
| 5000+ | $0.8314 | $4157.10 |
| 10000+ | $0.8159 | $8159.20 |
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