REG103UA-A Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
REG103UA-A is a low-dropout linear voltage regulator from Texas Instruments featuring adjustable output, 15V max input, and ultra-low 0.115V typical dropout voltage. From $2.89, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- REG103UA-A Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8890(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low dropout voltage of 0.115V typical (0.2V max) enables efficient regulation close to input rail
- Wide input voltage range from 2.7V to 15V suits diverse power supply designs
- Adjustable output in SOT-23-8 small outline package for compact board layouts
- High accuracy line regulation of 0.27%/V for stable output under varying input conditions
- RoHS-compliant (Pb-free) with 15-year YTEOL for long-lifecycle industrial applications
Applications
The REG103UA-A is well-suited for battery-powered and portable devices where minimizing voltage drop is critical, such as handheld instruments, wearables, and IoT sensor nodes. Its adjustable output and wide input range also make it ideal for industrial control boards, point-of-load regulation in multi-rail systems, and precision analog circuitry requiring clean, stable supply voltages.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | ADJUSTABLE |
| Dropout Voltage1-Max | 0.2V |
| Dropout Voltage1-Nom | 0.115V |
| Input Voltage-Max | 15V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Line Regulation-Max (%/V) | 0.27 |
| Load Regulation-Max(%) | 3.5% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -55 °C |
| Output Current1-Max | 0.5A |
| Output Voltage1-Max | 5.5V |
| Output Voltage1-Min | 1.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | NMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for REG103UA-A:
Adjustable Positive LDO Regulator, 1.3V Min, 5.5V Max, 0.2V Dropout, NMOS, PDSO8
Frequently Asked Questions
What is the dropout voltage of the REG103UA-A?
The REG103UA-A has a typical dropout voltage of 0.115V and a maximum of 0.2V, allowing it to maintain regulation even when the input voltage is very close to the output voltage, which is ideal for battery-powered applications.
What is the input voltage range for the REG103UA-A?
The REG103UA-A accepts an input voltage ranging from 2.7V to 15V, making it compatible with a wide variety of power sources including single-cell Li-ion batteries and standard 12V rails used in industrial and consumer electronics.
Is the REG103UA-A output adjustable or fixed?
The REG103UA-A features an adjustable output voltage, allowing designers to set the desired output using external resistors. This flexibility makes it suitable for applications requiring non-standard voltage rails.
What package does the REG103UA-A use and is it RoHS compliant?
The REG103UA-A comes in an 8-pin Small Outline (R-PDSO-G8 / SOT-23-8) package, which is compact and suitable for space-constrained designs. It is fully RoHS/Pb-free compliant (JESD-609 code e4) with a 15-year YTEOL rating.
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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+ | $7.2225 | $7.22 |
| 10+ | $7.1800 | $71.80 |
| 25+ | $6.8500 | $171.25 |
| 55+ | $5.4300 | $298.65 |
| 56+ | $3.1298 | $175.27 |
| 161+ | $2.8890 | $465.13 |
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