LM317L-N 100mA 40V Input Adjustable Linear Regulator | TI.com

LM317L-N (ACTIVE) 100mA 40V Input Adjustable Linear Regulator

 

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Description

The LM317L-N is an adjustable 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.

The LM317L-N offers full overload protection. Included on the chip are current limit, thermal overload protection, and safe area protection. 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.

The LM317L-N uses floating topology and sees only the input-to-output differential voltage, therefore supplies of several hundred volts can be regulated, provided the maximum input-to-output differential is not exceeded. The device 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.

The LM317L-N is available in a standard 3-pin TO-92 transistor package, the 8-pin SOIC package, and 6-pin DSBGA package. The LM317L-N is rated for operation over a −40°C to 125°C range.

Features

  • Adjustable Output Down to 1.2 V
  • 100-mA Output Current
  • Capable of Handling up to 40V VIN
  • Line Regulation Typically 0.01% /V
  • Load Regulation Typically 0.1% /A
  • No Output Capacitor Required (†)
  • Current Limit Constant With Temperature
  • Eliminates the Need to Stock Many Voltages
  • Standard 3-Lead Transistor Package
  • 80-dB Ripple Rejection
  • Available in 3-Pin TO-92, 8-Pin SOIC, or 6-pin DSBGA Packages
  • Output is Short-Circuit Protected
  • See AN-1112 (SNVA009) for DSBGA Considerations

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Parametrics

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Part number Order Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Fixed output options (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating PSRR @ 100 KHz (dB) Accuracy (%) Dropout voltage (Vdo) (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
LM317L-N Order now Adjustable Output     0.1     40     4.2     38     1.2       DSBGA | 6
SOIC | 8
TO-92 | 3    
    1     -40 to 125     160     38     0.21 | 1ku     Catalog     63     3     1800     0.05     See datasheet (DSBGA)
8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
3TO-92: 19 mm2: 3.68 x 5.2 (TO-92 | 3)    
LM117 Samples not available Adjustable Output     1.5     40     4.2     37     1.25       TO-3 | 2
TO | 3    
    1     -55 to 125
-55 to 150    
39     75     7.52 | 1ku     Catalog     40     4     1200     5     3TO: 92 mm2: 9.14 x 10.03 (TO | 3)
2TO-3: 969 mm2: 24.89 x 38.94 (TO-3 | 2)    
LM140L Samples not available Fixed Output     0.1     35     17.6     15     5     5
12
15    
TO | 3         1     -55 to 125     26     40     7.35 | 1ku     Catalog     40     4     1500     4.5     3TO: 92 mm2: 9.14 x 10.03 (TO | 3)    
LM317-N Order now Adjustable Output     1.5     40     4.2     37     1.2       DDPAK/TO-263 | 3
SOT-223 | 4
TO-220 | 3
TO-220 | 3
TO-252 | 3    
    1     0 to 125     39     35     0.43 | 1ku     Catalog     40     5     2250     3.5     3DDPAK/TO-263: 155 mm2: 15.24 x 10.16 (DDPAK/TO-263 | 3)
4SOT-223: 46 mm2: 7 x 6.5 (SOT-223 | 4)
3TO-220: 47 mm2: 4.58 x 10.16 (TO-220 | 3)
3TO-220: 194 mm2: 19.05 x 10.16 (TO-220 | 3)
3TO-252: 40 mm2: 6.1 x 6.58 (TO-252 | 3)    
LM317A Order now Adjustable Output     1.5