LM337IMP NOPB Texas Instruments Integrated Circuit (SOT223 (3-Pin)) In Stock
Texas Instruments LM337IMP NOPB is a negative adjustable linear voltage regulator delivering -1.2 V to -37 V output and up to 1 A output current, packaged in a 4-pin SOT-223 SMT package for compact negative rail power supply designs.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (3-Pin)
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- LM337IMP NOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM337IMP NOPB?
- Adjustable negative output voltage from -1.2 V to -37 V covers a wide range of negative rail requirements in analog and mixed-signal circuits
- 1 A output current capability with built-in current limiting and thermal shutdown protects circuits without external components
- 4-pin SOT-223 package with exposed tab enhances thermal dissipation for higher power operation in surface-mount PCB layouts
What is LM337IMP NOPB used for?
The LM337IMP NOPB is used in split-supply analog circuit power supplies, operational amplifier negative rail regulators, and programmable negative voltage references requiring adjustable output from -1.2 V to -37 V. Its 1 A current rating and SOT-223 surface-mount package make it suitable for instrumentation equipment, audio amplifier power stages, and test equipment requiring a stable negative regulated rail. It also serves as a negative tracking regulator paired with an LM317 in bipolar supply designs for industrial control and medical measurement instruments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LM337IMP NOPB datasheet?
LM337IMP NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM337IMP NOPB?
Compatible alternatives and drop-in replacements for LM337IMP NOPB:
Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4
Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4
Frequently Asked Questions
What is the adjustable output voltage range and maximum current of the LM337IMP NOPB?
The LM337IMP NOPB provides an adjustable negative output voltage from -1.2 V to -37 V set by an external resistor divider, and it can source up to 1 A of continuous output current, making it suitable for negative linear power supply rails in analog and mixed-signal circuits.
How does the SOT-223 package of the LM337IMP NOPB compare to a TO-92 package for thermal management?
The SOT-223 package has an exposed metal tab soldered directly to the PCB copper pour, providing a thermal resistance significantly lower than the TO-92 through-hole package; this allows the LM337IMP NOPB to dissipate more power at 1 A output current without an external heatsink in typical PCB applications.
Can the LM337IMP NOPB be paired with an LM317 to create a symmetrical bipolar supply for op amp circuits?
Yes; using LM337IMP NOPB for the negative rail and an LM317 for the positive rail, a designer can build a tracking symmetrical bipolar supply with output voltages from ±1.2 V to ±37 V at up to 1 A per rail, which is a standard approach for powering ±15 V or ±12 V operational amplifier circuits in audio and instrumentation equipment.
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