LP5951MGX-1.5/NOPB Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The LP5951MGX-1.5/NOPB is a 150-mA low-dropout voltage regulator with ultra-low 75-µA quiescent current and enable pin. It provides a fixed 1.5-V output with only 0.2-V typical dropout voltage. Available in compact SOT-23-5 package with RoHS-compliant lead-free construction and worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LP5951MGX-1.5/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2979(MOQ 1000)
- 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 LP5951MGX-1.5/NOPB?
- Ultra-low 75-µA quiescent current for battery-powered designs
- 150-mA output current with only 0.2-V typical dropout voltage
- Enable pin for power sequencing and shutdown control
- Fixed 1.5-V output in compact SOT-23-5 package
- Wide input voltage range from 1.8-V to 5.5-V
What is LP5951MGX-1.5/NOPB used for?
The LP5951MGX-1.5/NOPB is ideal for always-on battery-powered applications such as IoT sensors, wearables, and portable consumer electronics where minimizing quiescent current extends battery life. Its low dropout voltage makes it well-suited for single-cell lithium-ion battery systems requiring a stable 1.5-V rail. The enable pin supports power sequencing in multi-rail systems and standby mode control in space-constrained designs.
What are the specifications of LP5951MGX-1.5/NOPB?
| Pbfree Code | Yes |
| Reach Compliance Code | Compliant |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.35V |
| Dropout Voltage1-Nom | 0.2V |
| Input Voltage Absolute-Max | 6.5V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 1.8V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.00555% |
| Load Regulation-Max | 0.02235% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.15A |
| Output Voltage1-Max | 1.53V |
| Output Voltage1-Min | 1.4694V |
| Output Voltage1-Nom | 1.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP5/6,.08 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN 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 | CMOS |
| 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 | 3.5% |
| 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 |
Where can I find the LP5951MGX-1.5/NOPB datasheet?
LP5951MGX-1.5/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LP5951MGX-1.5/NOPB?
Compatible alternatives and drop-in replacements for LP5951MGX-1.5/NOPB:
Frequently Asked Questions
What is the output voltage and current rating of the LP5951MGX-1.5/NOPB?
The LP5951MGX-1.5/NOPB provides a fixed 1.5-V regulated output with up to 150-mA maximum output current. The typical dropout voltage is only 0.2-V at full load, making it suitable for low-voltage battery-powered designs.
What is the quiescent current of the LP5951MGX-1.5/NOPB and why does it matter?
The LP5951MGX-1.5/NOPB features an ultra-low quiescent current of approximately 75-µA, which is critical for always-on battery-powered applications. This low Iq ensures that standby power consumption is minimized, significantly extending battery life in IoT sensors, wearables, and other portable devices.
What input voltage range is supported by the LP5951MGX-1.5/NOPB?
The LP5951MGX-1.5/NOPB accepts an input voltage ranging from 1.8-V to 5.5-V, with an absolute maximum input voltage of 6.5-V. This range supports operation from single-cell lithium-ion batteries as well as 3.3-V and 5-V supply rails commonly found in embedded systems.
Is the LP5951MGX-1.5/NOPB RoHS compliant and lead-free?
Yes, the LP5951MGX-1.5/NOPB is fully RoHS compliant and lead-free (Pb-free), as indicated by its /NOPB suffix. It meets REACH compliance requirements and is suitable for use in environmentally sensitive applications and markets requiring green component standards.
What package does the LP5951MGX-1.5/NOPB come in and what are alternatives?
The LP5951MGX-1.5/NOPB is packaged in a 5-pin SOT-23 (SOT-23-5) surface-mount package, which is compact and ideal for space-constrained PCB designs. Alternatives in the LP5951 family include versions with different fixed output voltages ranging from 1.5-V to 3.3-V to suit various application requirements.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000+ | $0.3988 | $398.80 |
| 3000+ | $0.3500 | $1050.00 |
| 100000+ | $0.2979 | $29790.00 |
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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit