REG101NA-3.3/250 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
REG101NA-3.3/250 is a 3.3V fixed low-dropout linear regulator from Texas Instruments in SOT-23-5 package. Features 0.06V typical dropout voltage and up to 12V absolute maximum input. From $1.91, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- REG101NA-3.3/250 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9120(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 60mV typical at full load, minimizing power dissipation
- Fixed 3.3V output with tight regulation accuracy for precision applications
- Wide input voltage range from 3.36V to 10V (12V absolute maximum)
- Compact SOT-23 5-pin package ideal for space-constrained designs
- Lead-free (Pb-free) construction compliant with RoHS/JESD-609 e4
Applications
The REG101NA-3.3/250 is well-suited for battery-powered portable devices where minimizing dropout voltage extends battery life. It is commonly used in handheld consumer electronics, IoT sensor nodes, and embedded microcontroller power rails requiring a stable 3.3V supply. Its compact SOT-23 footprint also makes it a practical choice for space-constrained PCB designs in wearables and industrial measurement equipment.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.13V |
| Dropout Voltage1-Nom | 0.06V |
| Input Voltage Absolute-Max | 12V |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 3.36V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.089% |
| Load Regulation-Max | 0.089% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 85°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 3.3495V |
| Output Voltage1-Min | 3.2505V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | NMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 2.2% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| 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 is the dropout voltage of the REG101NA-3.3/250?
The REG101NA-3.3/250 features an extremely low dropout voltage of 60mV typical and 130mV maximum, allowing the output to remain regulated when the input is only slightly above 3.3V. This makes it ideal for battery-powered applications where maximizing usable battery capacity is critical.
What is the input voltage range for the REG101NA-3.3/250?
The REG101NA-3.3/250 operates with an input voltage from 3.36V minimum up to 10V maximum, with an absolute maximum rating of 12V. Exceeding 12V input may permanently damage the device, so ensure your power supply stays within the specified operating range.
What applications is the REG101NA-3.3/250 best suited for?
This LDO regulator is ideal for portable consumer electronics, IoT devices, wearables, and any 3.3V microcontroller or sensor power rail. Its ultra-low dropout voltage and compact SOT-23-5 package make it especially valuable in battery-operated systems where both board space and power efficiency are constraints.
Is the REG101NA-3.3/250 RoHS compliant?
Yes, the REG101NA-3.3/250 is fully Pb-free (lead-free) and complies with RoHS requirements, as indicated by its JESD-609 Code e4. It is suitable for use in environmentally compliant end products sold in regulated markets worldwide.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9120 | $1.91 |
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