LM317HV-MIL
- Up to 60 V Input to Output Differential
- 1.5-A Output Current
- Line Regulation 0.01%/V (Typical)
- Load Regulation 0.1% (Typical)
- 80-dB Ripple Rejection (Typical)
- Internal Short-Circuit Current Limiting Protection
- Thermal Overload Protection
- 0 to 125°C Operating Temperature Range
The LM317HV-MIL is an adjustable 3-terminal positive voltage regulator capable of supplying 1.5 A or more currents over a 1.25-V to 57-V output voltage range. It requires only two external resistors to set the output voltage. The LM317HV-MIL is packaged in standard transistor packages that are easily mounted and handled.
The LM317HV-MIL offers overload protection like current limit, thermal overload protection and safe area protection, which make the device blowout proof. The overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
Typically, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is needed. An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.
Since the regulator is floating and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, or in other words, do not short the output to ground.
By connecting a fixed resistor between the adjustment and output, the LM317HV-MIL can also be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground, which programs the output to 1.25 V where most loads draw little current.
技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | LM317HV-MIL High Voltage Three-Terminal Adjustable Regulator With Overload Protection datasheet | PDF | HTML | 2017年 6月 22日 |
Application note | A Topical Index of TI LDO Application Notes (Rev. F) | 2019年 6月 27日 | ||
Application note | AN-1028 Maximum Power Enhancement Techniques for Power Packages (Rev. B) | 2013年 5月 6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 | Adjustable 3-Terminal Regulator for Low-Cost Battery Charging Systems | 2002年 10月 3日 | ||
Application note | Understanding the Terms and Definitions of LDO Voltage Regulators | 1999年 10月 21日 |
設計與開發
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封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
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TO-CAN (NDS) | 2 | Ultra Librarian |
TO-CAN (NDT) | 3 | Ultra Librarian |
訂購與品質
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