LM137JAN
- Output Voltage Adjustable from −37V to −1.2V
- 1.5A Output Current Specified, −55°C to +150°C
- Line Regulation Typically 0.01%/V
- Load Regulation Typically 0.3%
- Excellent Thermal Regulation, 0.002%/W
- 77 dB Ripple Rejection
- Excellent Rejection of Thermal Transients
- 50 ppm/°C Temperature Coefficient
- Temperature-independent Current Limit
- Internal Thermal Overload Protection
- Standard 3-lead Transistor Package
- Output is Short Circuit Protected
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The LM137 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of −1.5A over an output voltage range of −37V to −1.2V. 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 serves 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.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM137JAN 3-Terminal Adjustable Negative Regulators datasheet (Rev. B) | 2013年 3月 20日 | |
| Application note | A Topical Index of TI LDO Application Notes (Rev. F) | 2019年 6月 27日 | ||
| Application note | AN-103 LM340 Series Three Terminal Positive Regulators (Rev. A) | 2013年 5月 6日 | ||
| Application note | AN-1148 Linear Regulators: Theory of Operation and Compensation (Rev. B) | 2013年 5月 6日 | ||
| Application note | Method For Cal Output Voltage Tolerances in Adj Regs (Rev. A) | 2013年 5月 5日 | ||
| Application note | Packaging Limits Range of Linear Regulators | 2010年 5月 8日 | ||
| Application note | Digital Designer's Guide to Linear Voltage Regulators & Thermal Mgmt (LDO) (Rev. A) | 2008年 6月 4日 | ||
| Application note | Understanding the Terms and Definitions of LDO Voltage Regulators | 1999年 10月 21日 |
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