The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of 1.5 A over an output voltage range of −37 V to −1.2 V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.
The LM137 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137 are ideal complements to the LM117 adjustable positive regulators.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | LM137QML 3-Terminal Adjustable Negative Regulators datasheet (Rev. F) | PDF | HTML | Aug 9, 2018 |
| Application note | A Topical Index of TI LDO Application Notes (Rev. F) | Jun 27, 2019 | ||
| Application note | AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B) | May 6, 2013 | ||
| Application note | AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A) | May 6, 2013 | ||
| Application note | Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A) | May 5, 2013 | ||
| Application note | Packaging Limits Range of Linear Regulators | May 8, 2010 | ||
| Application note | Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) | Jun 4, 2008 | ||
| Application note | Understanding the Terms and Definitions of LDO Voltage Regulators | Oct 21, 1999 |
For additional terms or required resources, click any title below to view the detail page where available.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| WAFERSALE (YS) | — | Ultra Librarian |
| TO-CAN (K) | 2 | Ultra Librarian |
| TO-CAN (NDT) | 3 | Ultra Librarian |
| DIESALE (Y) | — | Ultra Librarian |
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