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LM340K-5.0 データシート(PDF) 11 Page - Texas Instruments |
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LM340K-5.0 データシート(HTML) 11 Page - Texas Instruments |
11 / 22 page 11 LM340-MIL www.ti.com SNOSD64 – JUNE 2017 Product Folder Links: LM340-MIL Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 7 Detailed Description 7.1 Overview The LM340-MIL device is a fixed-output positive-voltage regulator with outputs ranging from 3 V to 15 V. The device accepts up to 35 V of input voltage and, with proper heat dissipation, can provide over 1.5 A of current. With a combination of current limiting, thermal shutdown, and safe area protection, this regulator helps eliminate any concern of damage. These features paired with excellent line and load regulation make the LM340-MIL device a versatile solution to a wide range of power management designs. Although the LM340-MIL device was designed primarily as fixed-voltage regulators, the device can be used with external component for adjustable voltage and current. 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Output Current With proper considerations, the LM340-MIL device can exceed 1.5-A output current. Depending on the desired package option, the effective junction-to-ambient thermal resistance can be reduced through heat sinking, allowing more power to be dissipated in the device. 7.3.2 Current Limiting Feature In the event of a short circuit at the output of the regulator, each device has an internal current limit to protect it from damage. The typical current limits for the LM340-MIL device is 2.4 A. 7.3.3 Thermal Shutdown Each package type employs internal current limiting and thermal shutdown to provide safe operation area protection. If the junction temperature is allowed to rise to 150°C, the device will go into thermal shutdown. 7.4 Device Functional Modes There are no functional modes for this device. |
同様の部品番号 - LM340K-5.0 |
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同様の説明 - LM340K-5.0 |
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