LM2931Z-5.0/NOPB Texas Instruments Undefined or Miscellaneous (Transistor Outline, Vertical) In Stock
LM2931Z-5.0/NOPB is a fixed 5V low dropout (LDO) linear voltage regulator from Texas Instruments. Features 0.3V typical dropout voltage, 26V max input, and 100mA output current. From $0.38, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- LM2931Z-5.0/NOPB Datasheet PDF
- Category
- Undefined or Miscellaneous
- Price
- From $0.3800(MOQ 100)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 5V output with ±5% accuracy for stable power rail regulation
- Ultra-low 0.3V typical dropout voltage enables operation close to output rail
- Wide 6V to 26V input voltage range suits automotive and industrial supply rails
- 100mA output current capacity in compact TO-92 vertical through-hole package
- Reverse battery protection and internal current limiting for robust system safety
Applications
The LM2931Z-5.0/NOPB is well-suited for automotive electronics, industrial control systems, and battery-powered devices requiring a stable 5V supply. Its low dropout characteristic makes it ideal for post-regulator applications where input and output voltages are close. It is commonly used in microcontroller power supplies, sensor modules, and embedded systems that demand reliable voltage regulation with minimal heat dissipation.
Specifications
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.6V |
| Dropout Voltage1-Nom | 0.3V |
| Input Voltage Absolute-Max | 26V |
| Input Voltage-Max | 26V |
| Input Voltage-Min | 6V |
| JESD-30 Code | O-PBCY-W3 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.03% |
| Load Regulation-Max | 0.05% |
| 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 | 5.5V |
| Output Voltage1-Min | 4.5V |
| Output Voltage1-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SIP3,.1,50 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Packing Method | TR |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | WIRE |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Voltage Tolerance-Max | 10% |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2931Z-5.0/NOPB:
Frequently Asked Questions
What is the dropout voltage of the LM2931Z-5.0/NOPB?
The LM2931Z-5.0/NOPB has a typical dropout voltage of 0.3V and a maximum of 0.6V at full load current. This low dropout characteristic allows the device to regulate a stable 5V output even when the input supply is only 5.6V, making it suitable for battery-powered and automotive applications.
What is the input voltage range for the LM2931Z-5.0/NOPB?
The LM2931Z-5.0/NOPB operates with an input voltage range from 6V minimum to 26V maximum absolute maximum. This wide range supports automotive 12V/24V rails and general industrial power supplies, providing flexibility across many circuit designs.
What package does the LM2931Z-5.0/NOPB come in and is it RoHS compliant?
The LM2931Z-5.0/NOPB is available in a TO-92 (transistor outline, vertical) through-hole package with 3 leads, denoted by JESD-30 code O-PBCY-W3. The '/NOPB' suffix indicates it is lead-free and RoHS compliant per JESD-609 code e3, making it suitable for environmentally regulated designs.
Can the LM2931Z-5.0/NOPB be used as a replacement for other 5V LDO regulators?
Yes, the LM2931Z-5.0/NOPB is pin-compatible with many standard 3-pin TO-92 LDO regulators offering 5V fixed output. It can replace parts with similar voltage, current, and package specifications. Always verify dropout voltage, input range, and quiescent current requirements match your circuit before substituting.
Related Guides
DP83848 10/100 Mbps Ethernet PHY Transceiver: How to Choose the Right Variant
A complete selection guide for the DP83848 family: compare temperature grades, packages, JTAG support, and interface options across all five variants.
Jun 2, 2026
LM5156 Wide-VIN Boost/SEPIC/Flyback Controller: How to Choose the Right Variant
A concise selection guide for the LM5156 and LM51561 family: how to choose between automotive vs industrial grade, spread-spectrum vs fixed-frequency, and WSON-8 vs HTSSOP-14 package.
Jun 2, 2026
24LC01B I2C EEPROM Design Guide: Pinout, Write Timing, and Package Selection
Complete application note for the Microchip 24LC01B 1 Kbit I2C EEPROM: address wiring, pull-up sizing, acknowledge polling, page-write alignment, and package selection.
Jun 1, 2026
AD8531ARTZ-REEL7 Application Note: High-Current Op-Amp Design Guide
A complete design guide for the AD8531ARTZ-REEL7 250 mA rail-to-rail op-amp: decoupling, thermal budgeting, capacitive load stability, and PCB layout best practices.
Jun 1, 2026
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.
More from Texas Instruments
LM3881MME/NOPB
Small Outline Packages
Integrated Circuit
CD74HCT112EE4
Dual-In-Line Packages
Integrated Circuit
CD54AC163F3A
Ceramic Dual-In-Line Packages
Integrated Circuit
TLC2552CDGK
Small Outline Packages
Integrated Circuit
5962-9555201NXDR
Small Outline Packages
Integrated Circuit
CD4002BNSRG4
Small Outline Packages
Integrated Circuit
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.8100 | $81.00 |
| 250+ | $0.7500 | $187.50 |
| 1000+ | $0.5087 | $508.70 |
| 10000+ | $0.4535 | $4535.00 |
| 100000+ | $0.3800 | $38000.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”