LP2951ACMM-3.3/NOPBIn StockTexas Instruments
LP2951ACMM-3.3/NOPB is a fixed/adjustable micropower LDO voltage regulator with 0.38V typical dropout, 30V max input, and 40 parametric specs. From $0.756 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LP2951ACMM-3.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.7560(MOQ 3)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V and adjustable output options in a single device for design flexibility
- Ultra-low quiescent current for micropower battery-powered applications
- Wide input voltage range from 2.3V to 30V supporting diverse power supply designs
- Low dropout voltage of 0.38V typical enabling efficient regulation close to output
- Small Outline Package (SOT-23) minimizes PCB footprint in space-constrained designs
Applications
The LP2951ACMM-3.3/NOPB is well-suited for battery-powered portable devices such as handheld instruments, IoT sensors, and wearables where micropower consumption is critical. Its wide input voltage range and low dropout characteristics make it ideal for post-regulation in systems with unregulated or lightly regulated supplies. The fixed 3.3V output variant simplifies designs targeting common logic and RF module power rails.
Specifications
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| Date Of Intro | 1992-05-01 |
| YTEOL | 15 |
| Adjustability | FIXED/ADJUSTABLE |
| Dropout Voltage1-Max | 0.6V |
| Dropout Voltage1-Nom | 0.38V |
| Input Voltage Absolute-Max | 30V |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 2.3V |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.0066% |
| Line Regulation-Max (%/V) | 0.007692 |
| Load Regulation-Max | 0.0066% |
| Load Regulation-Max(%) | 0.2% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 29V |
| Output Voltage1-Min | 1.24V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 1.4% |
| Package | Small Outline Packages |
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 dropout voltage of the LP2951ACMM-3.3/NOPB?
The LP2951ACMM-3.3/NOPB provides a fixed 3.3V output voltage with a typical dropout voltage of 0.38V and a maximum dropout of 0.6V, making it suitable for low-voltage battery applications requiring efficient LDO regulation.
What is the input voltage range supported by the LP2951ACMM-3.3/NOPB?
The device supports an input voltage range from 2.3V minimum to 30V maximum absolute, offering broad compatibility with various unregulated or wall-adapter power supplies commonly used in industrial and consumer electronics.
What are the typical applications for the LP2951ACMM-3.3/NOPB?
Typical applications include battery-powered portable devices, IoT sensor nodes, microcontroller power supply rails, handheld instruments, and any design requiring a low quiescent current 3.3V regulated output with a small footprint package.
Is the LP2951ACMM-3.3/NOPB RoHS compliant and lead-free?
Yes, the LP2951ACMM-3.3/NOPB is fully RoHS compliant and lead-free (NOPB suffix indicates no lead), and it meets REACH compliance requirements, making it suitable for environmentally 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.
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