LP38690SD-2.5 Texas Instruments Integrated Circuit (Other) In Stock
LP38690SD-2.5 is a fixed 2.5V, 1A LDO linear regulator with ultra-low 0.8V typical dropout voltage and 10V max input. Features low quiescent current and stable output, ideal for battery-powered and portable electronics. From $0.68 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 6
- Lifecycle
- OBSOLETE
- Datasheet
- LP38690SD-2.5 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6763(MOQ 104)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 2.5V output voltage with tight regulation accuracy
- 1A output current with only 0.8V typical dropout voltage
- Wide input voltage range: 2.7V to 10V (12V absolute max)
- Ultra-low quiescent current for battery-powered applications
- Available in compact 6-pin SOT-23 (S-PDSO-N6) package
Applications
The LP38690SD-2.5 is well suited for portable consumer electronics, handheld instruments, and IoT devices where low dropout and efficient power conversion are essential. Its fixed 2.5V output and 1A current capability make it an ideal post-regulator for FPGAs, DSPs, and microcontrollers. It is also widely used in battery-operated systems, wearable devices, and industrial sensors requiring a stable low-noise supply rail.
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 | S-PDSO-N6 |
| 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 | SOLCC6,.13,38 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Finish | TIN LEAD |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and maximum current of the LP38690SD-2.5?
The LP38690SD-2.5 provides a fixed 2.5V output voltage with a maximum continuous output current of 1A. It features a typical dropout voltage of only 0.8V (1.3V max), making it efficient even when the input voltage is close to the output.
What input voltage range does the LP38690SD-2.5 support?
The LP38690SD-2.5 operates with an input voltage range of 2.7V to 10V, with an absolute maximum rating of 12V. This wide range makes it compatible with various power sources including Li-ion batteries, USB rails, and regulated DC supplies.
What are typical applications for the LP38690SD-2.5?
This LDO regulator is commonly used in portable electronics, IoT devices, wearables, and embedded systems requiring a stable 2.5V supply. It is especially suitable for powering FPGAs, microcontrollers, sensors, and RF modules where low noise and low dropout are critical.
What package does the LP38690SD-2.5 come in and is it RoHS compliant?
The LP38690SD-2.5 is available in a 6-pin SOT-23 package (JESD-30 code: S-PDSO-N6), which is compact and suitable for space-constrained PCB designs. Note that per the datasheet, it is marked as Pb-free code 'No', so confirm RoHS compliance requirements before use in your application.
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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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