LP38690DT-2.5 Texas Instruments Integrated Circuit (Other) In Stock
LP38690DT-2.5 is a 1A fixed 2.5V LDO linear voltage regulator from Texas Instruments. It features ultra-low dropout voltage of 0.8V typical and supports input voltages from 2.7V to 10V. Ideal for portable electronics and battery-powered systems. From $1.01, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- OBSOLETE
- Datasheet
- LP38690DT-2.5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0088(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V output with ±1% accuracy for precision power regulation
- Ultra-low dropout voltage of 0.8V typical (1.3V max) at 1A load
- Wide input voltage range: 2.7V to 10V (12V absolute max)
- 1A continuous output current capability
- Low quiescent current for high efficiency in battery-powered applications
- Available in compact SOT-223 (PSSO-G2) surface-mount package
Applications
The LP38690DT-2.5 is well-suited for portable consumer electronics, handheld instruments, and battery-powered devices requiring a stable 2.5V rail. Its low dropout voltage makes it ideal for lithium-ion battery powered systems and post-regulator applications in multi-rail power designs. It is also commonly used in embedded systems, DSP core supplies, and IoT sensor nodes where low noise and precise regulation are critical.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 1.3V |
| Dropout Voltage1-Nom | 0.8V |
| Input Voltage Absolute-Max | 12V |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PSSO-G2 |
| JESD-609 Code | e0 |
| Line Regulation-Max | 0.0175% |
| Load Regulation-Max | 0.12487% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 2.625V |
| Output Voltage1-Min | 2.375V |
| Output Voltage1-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP3H,.38,90TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | RAIL |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 2.285mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Voltage Tolerance-Max | 5% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LP38690DT-2.5:
Frequently Asked Questions
What is the output voltage and current rating of the LP38690DT-2.5?
The LP38690DT-2.5 provides a fixed 2.5V output voltage with a maximum continuous output current of 1A. The output voltage accuracy is ±1%, ensuring stable and precise regulation for sensitive circuits.
What is the dropout voltage of the LP38690DT-2.5?
The LP38690DT-2.5 has a typical dropout voltage of 0.8V and a maximum of 1.3V at full 1A load. This low dropout characteristic makes it suitable for battery-powered applications where input-output voltage difference is small.
What package does the LP38690DT-2.5 come in?
The LP38690DT-2.5 is available in a SOT-223 (JESD-30 code: R-PSSO-G2) surface-mount package, which provides good thermal dissipation and is compatible with standard PCB assembly processes.
What are typical applications for the LP38690DT-2.5?
Typical applications include portable consumer electronics, battery-powered handheld devices, embedded microcontroller power supplies, DSP core voltage regulation, IoT sensors, and any system requiring a clean, stable 2.5V supply rail with up to 1A current.
Are there compatible alternatives or replacements for the LP38690DT-2.5?
Compatible alternatives include other fixed 2.5V LDO regulators such as the LP2985-25 and TPS73625 from Texas Instruments, which offer similar output voltage and comparable current ratings. Always verify dropout voltage, quiescent current, and package compatibility before substituting.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
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 |
|---|---|---|
| 1+ | $1.3500 | $1.35 |
| 5+ | $1.2420 | $6.21 |
| 21+ | $1.0800 | $22.68 |
| 375+ | $1.0088 | $378.30 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”