LP2951CNG ON Semiconductor Integrated Circuit (Dual-In-Line Packages) In Stock
The LP2951CNG is an ON Semiconductor low-dropout LDO regulator in DIP-8 with fixed/adjustable output, 30 V max input, and 0.35 V typical dropout voltage. It sources up to 100 mA with low quiescent current ideal for battery-efficient designs. Available from authorized distributors worldwide with fast shipping.
- Manufacturer
- ON Semiconductor
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LP2951CNG Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LP2951CNG?
- Low dropout voltage of only 0.35 V typical (0.45 V max) maximizes battery runtime in portable equipment operating near the regulated output
- Fixed or adjustable output modes support a broad voltage range up to 29 V from a single 8-pin DIP package
- Ultra-low quiescent current minimizes idle power consumption in battery-powered IoT devices and standby-mode applications
- Up to 100 mA output current supports microcontrollers, sensors, and low-power peripheral loads in embedded battery-powered designs
What is LP2951CNG used for?
The LP2951CNG is widely used in battery-powered portable electronics, handheld instruments, and IoT devices requiring efficient low-dropout regulation with minimal quiescent current drain. Its adjustable output, 100 mA current capability, and 30 V maximum input make it suitable for wearable sensors, data loggers, and wireless modules needing tight supply regulation across wide input ranges. The DIP-8 package simplifies prototyping and through-hole assembly for engineering evaluation and low-volume production designs.
What are the specifications of LP2951CNG?
| Pbfree Code | Yes |
| Manufacturer Package Code | 626-05 |
| YTEOL | 0 |
| Adjustability | FIXED/ADJUSTABLE |
| Dropout Voltage1-Max | 0.45V |
| Dropout Voltage1-Nom | 0.35V |
| Input Voltage Absolute-Max | 30V |
| Input-Output Voltage Differential-Max | 28.75V |
| Input-Output Voltage Differential-Min | 1V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.01% |
| Load Regulation-Max | 0.01% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 150°C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 29V |
| Output Voltage1-Min | 1.25V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | RAIL |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Voltage Tolerance-Max | 2.4% |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LP2951CNG datasheet?
LP2951CNG Datasheet DownloadOfficial datasheet from ON Semiconductor
What are equivalent replacements for LP2951CNG?
Compatible alternatives and drop-in replacements for LP2951CNG:
suggested
suggested
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Frequently Asked Questions
What are the key voltage and current specifications of the LP2951CNG LDO regulator?
The LP2951CNG accepts inputs up to 30 V and delivers a regulated output at up to 100 mA with a typical dropout voltage of only 0.35 V. Its fixed or adjustable output mode covers regulated voltages from 1.24 V to approximately 29 V, while the low dropout characteristic ensures stable output regulation even as the supply voltage approaches the output level in battery-powered equipment.
Which battery-powered applications benefit most from LP2951CNG's low dropout voltage?
Battery-powered IoT sensors, wearable devices, and handheld instruments benefit from LP2951CNG's 0.35 V dropout, which keeps the regulator active as battery voltage falls within 0.35 V of the output level. This extends battery life significantly compared to regulators with 1 V to 2 V dropout, supporting peak current demands up to 100 mA during active measurement or wireless transmission cycles.
Why is the 8-pin DIP-8 package of LP2951CNG preferred for engineering evaluation over SMD alternatives?
The DIP-8 package of LP2951CNG plugs directly into solderless breadboards and DIP sockets, enabling rapid prototype evaluation of adjustable LDO supplies up to 100 mA without SMT soldering equipment. With 30 V maximum input and 0.35 V dropout, it allows engineers to quickly characterize regulation performance and set output voltages using external resistors before committing to a surface-mount PCB design.
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About ON Semiconductor
ON Semiconductor (onsemi) provides intelligent power and sensing technologies for automotive, industrial, IoT, and cloud infrastructure applications.
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