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LM317HVT/NOPB
3-Terminal 60V 1.5A Adjustable Regulator 3-TO 0 to 125
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LM117HV, LM317HVSNVS773D –APRIL 2000–REVISED SEPTEMBER 2015
LMx17HV High Voltage Three-Terminal Adjustable Regulator With Overload Protection Features 3 DescriptionThe LMx17HVis an adjustable 3-terminal positive Upto60V Inputto Output Differential voltage regulator capableof supplying 1.5Aor more• 1.5-A Output Current currents overa 1.25-Vto 57-V output voltage range.• Line Regulation 0.01%/V (Typical) It requires only two external resistorsto set the output
voltage. The LMx17HV is packaged in standard• Load Regulation 0.1% (Typical) transistor packages that are easily mounted and• 80-dB Ripple Rejection (Typical) handled.• Internal Short-Circuit Current Limiting Protection The LMx17HV offers overload protection like current• Thermal Overload Protection limit, thermal overload protection and safe area• –55to 150°C Operating Temperature Range protection, which make the device blowout proof. The(LM117HV) overload protection circuitry remains fully functional
evenif the adjustment terminalis disconnected.• 0to 125°C Operating Temperature Range
(LM317HV) Typically,no capacitors are needed unless the device situated more than6 inches from the input filter
2 Applications capacitors,in which case an input bypassis needed. optional output capacitor canbe addedto improve• Industrial Power Supplies transient response. The adjustment terminal can be• PLC Systems bypassedto achieve very high ripple rejection ratios Factory Automation Systems which are difficultto achieve with standard 3-terminal
regulators.• Building Automation Systems Battery Charger Since the regulatoris floating and sees only the input-
to-output differential voltage, supplies of several
1.2-Vto 50-V Adjustable Regulator With High hundred volts can be regulated as long as the
Voltage Input maximum inputto output differentialis not exceeded,in other words, do not short the outputto ground. connecting a fixed resistor between the
adjustment and output, the LMx17HV can also be
used asa precision current regulator. Supplies with
electronic shutdown canbe achievedby clamping the
adjustment terminalto ground, which programs the
outputto 1.25V where most loads draw little current.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet. than6 inches from filter
