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Details for Texas Instruments


100mA 40V Input Adjustable Linear Regulator
Buy Directly from Texas Instruments (17267 in Stock)
$0.2800 per unit
Series Information for LM317LM/NOPB - Texas Instruments


  • feature
    100-mA Output Current
  • feature
    80-dB Ripple Rejection
  • feature
    Adjustable Output Down to 1.2 V
  • feature
    Available in 3-Pin TO-92, 8-Pin SOIC, or 6-pin DSBGA Packages
  • feature
    Current Limit Constant With Temperature
  • feature
    Eliminates the Need to Stock Many Voltages
  • feature
    Line Regulation Typically 0.01% V
  • feature
    Load Regulation Typically 0.1%
  • feature
    Output is Short-Circuit Protected
  • feature
    See AN-1112 (SNVA009) for DSBGA
  • feature
    Standard 3-Lead Transistor Package


The LM317L-N is an adjustable 3-terminal positive voltage regulator capable of supplying 100 mA over a 1.2-V to 37-V output range. The LM317L-N is easy to use and requires only two external resistors to set the output voltage. Both line and load regulation are better than standard fixed regulators. The LM317L-N is available packaged in a standard, easy-to-use TO-92 transistor package. In addition to higher performance than fixed regulators, the LM317L-N offers full overload protection. Included on the chip are current limit, thermal overload protection, and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected. Normally, no capacitors are required unless the device is situated more than 6 inches from the input filter capacitors, in which case an input bypass is required. 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. Besides replacing fixed regulators, the LM317L-N is useful in a wide variety of other applications. Because the regulator is floating and sees only the input-tooutput differential voltage, supplies of several hundred volts can be regulated, provided the maximum input-to-output differential is not exceeded. The LM317L-N makes a simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment and output, the LM317L-N can 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 1.2 V, where most loads draw little current. The LM317L-N is available in a standard 3-pin TO-92 transistor package, the 8-pin SOIC package, and 6pin DSBGA package. The LM317L-N is rated for operation over a −40°C to 125°C range.


Fixed Output Voltage Nom.:
Adjustable Output Voltage Min:
Adjustable Output Voltage Max:
Input Voltage Min:
Input Voltage Max:
Product Range:
Output Current:
Output Type:
Linear Regulator Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Automotive Qualification Standard:
MSL 1 - Unlimited
No SVHC (27-Jun-2018)
No. of Outputs:
Output Voltage Max:
Output Voltage Min:
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Adjustable Positive

Alternate Descriptions

Avnet America

Standard Regulator Pos 1.2V to 37V 0.1A 8-Pin SOIC N Rail

Avnet America product

Avnet Europe

Standard Regulator Pos 1.2V to 37V 0.1A 8-Pin SOIC N Rail

Avnet Europe product

Texas Instruments

100mA 40V Input Adjustable Linear Regulator

Texas Instruments product



Distrelec product


Enclosure type (semiconductors): SOIC 8; Input voltage (max.): 40 V; Input voltage (min.): 4.2 V; Manufacturer: Texas Instruments; Manufacturer code (components): TID; Mounting type: Surface-mount; No. of outputs (semiconductors): 1; Operating temperature (max.) (num): +125 °C; Operating temperature (min.) (num): -40 °C; Output configuration: Positive; Output type: Adjustable; Output voltage (max.): 37 V; Output voltage (min.): 1.2 V; Power output: 100 mA; RoHS-compliant: Yes; Type (manufacturer type): LM317LM/NOPB; Voltage regulator type (category): Voltage regulator - linear

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