LP2975AIMMX-5.0/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LP2975AIMMX-5.0/NOPB is a low-dropout voltage regulator controller from Texas Instruments that drives an external PNP transistor to regulate output voltages from 1.24 V to 23 V. It features programmable current limiting and operates from a wide supply range in an 8-pin TSSOP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LP2975AIMMX-5.0/NOPB 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 LP2975AIMMX-5.0/NOPB?
- LDO controller architecture supports output voltages from 1.24 V to 23 V using an external PNP pass transistor for flexible high-current designs
- Programmable current limiting and soft-start control protect downstream loads during power-on and fault conditions
- 8-pin TSSOP package with wide input supply range suitable for industrial and telecom voltage regulation applications
What is LP2975AIMMX-5.0/NOPB used for?
LP2975AIMMX-5.0/NOPB is suited for industrial power supplies and telecom equipment requiring regulated 5.0 V outputs with currents exceeding what integrated LDOs can provide, since the external PNP pass transistor scales output current as needed. It also fits board-level point-of-load regulators in test instruments, DSP boards, and networking hardware where adjustable 1.24 V to 23 V output voltage and current limit programming simplify multi-rail power design.
What are the specifications of LP2975AIMMX-5.0/NOPB?
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | 23V |
| Output Voltage-Min | 1.24V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 24V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.01 |
Where can I find the LP2975AIMMX-5.0/NOPB datasheet?
LP2975AIMMX-5.0/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LP2975AIMMX-5.0/NOPB?
Compatible alternatives and drop-in replacements for LP2975AIMMX-5.0/NOPB:
Frequently Asked Questions
How does LP2975AIMMX-5.0/NOPB use an external transistor to scale output current beyond integrated LDOs?
LP2975AIMMX-5.0/NOPB drives the base of an external PNP pass transistor, so the output current is limited only by that transistor's ratings rather than the IC itself. A PNP device rated at 1 A or more allows the regulator to deliver ampere-level currents at 5.0 V, far exceeding the typical 150–300 mA of integrated LDO packages.
What output voltage range does LP2975AIMMX-5.0/NOPB support and how is it set?
The LP2975AIMMX-5.0/NOPB supports output voltages from 1.24 V to 23 V set by a resistor divider connected to the feedback pin. For the 5.0 V fixed variant, the internal divider is preset, but the controller can be reconfigured for other voltages in the 1.24 V to 23 V range by changing the external resistors.
In which applications does LP2975AIMMX-5.0/NOPB outperform a standard three-terminal LDO?
LP2975AIMMX-5.0/NOPB is preferred when load current exceeds 300 mA, output voltage must exceed 15 V, or programmable current limiting is required. Industrial motor-drive precharge circuits, telecom -48 V bus pre-regulators, and high-side DSP power rails benefit from its 23 V output headroom and adjustable current threshold.
What package does LP2975AIMMX-5.0/NOPB use and how does it simplify PCB layout?
LP2975AIMMX-5.0/NOPB is housed in an 8-pin TSSOP package with 0.65 mm pitch and a 3.0 mm x 4.4 mm body, requiring less than 15 mm² of board area for the controller itself. The external PNP transistor can be placed nearby with short base-drive traces, keeping the feedback loop short and layout-induced instability minimal.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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
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