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.
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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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