LM317HVT

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Series Information for LM317HVT - Texas Instruments

Features

  • feature
    0 to 125u00b0C Operating Temperature Range
  • feature
    1.5-A Output Current
  • feature
    80-dB Ripple Rejection (Typical)
  • feature
    Internal Short-Circuit Current Limiting Protection
  • feature
    Line Regulation 0.01%/V (Typical)
  • feature
    Load Regulation 0.1% (Typical)
  • feature
    Thermal Overload Protection
  • feature
    Up to 60 V Input to Output Differential
  • feature
    u201355 to 150u00b0C Operating Temperature Range (LM117HV)

Description

V REG ADJ +1.2/57V TO-220-3 317
The LMx17HV 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 LMx17HV is packaged in standard transistor packages that are easily mounted and handled. The LMx17HV 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 inputto-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 LMx17HV 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.

Specifications

Output Type:
Adjustable
Input Voltage Min:
4.2V
Input Voltage Max:
60V
Fixed Output Voltage Nom.:
-
Adjustable Output Voltage Min:
1.2V
Adjustable Output Voltage Max:
57V
Output Current:
1.5A
Linear Regulator Case Style:
TO-220
No. of Pins:
3Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Base Number:
317
IC Generic Number:
317
No. of Outputs:
1Outputs
Operating Temperature Range:
0°C to +125°C
Output Voltage Adjustable Range:
1.2V to 57V
Output Voltage Max:
57V
Output Voltage Min:
1.2V
Primary Input Voltage:
60V
Supply Voltage Max:
40V
Supply Voltage Min:
3V
Voltage Regulator Type:
Positive Adjustable