Product Summary

The LM317LM is an adjustable 3-terminal positive voltage regulator capable of supplying 100mA over a 1.2V to 37V output range. It is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. Also, the LM317LM is available packaged in a standard TO-92 transistor package which is easy to use. In addition to higher performance than fixed regulators, the LM317LM 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.

Parametrics

LM317LM absolute maximum ratings: (1)Power Dissipation: Internally Limited; (2)Input-Output Voltage Differential: 40V; (3)Operating Junction Temperature Range: -40℃ to +125℃; (4)Storage Temperature: -55℃ to +150℃; (5)Lead Temperature (Soldering, 4 seconds): 260℃; (6)Output is Short Circuit Protected; (7)ESD rating to be determined.

Features

LM317LM features: (1)Adjustable output down to 1.2V; (2)Guaranteed 100 mA output current; (3)Line regulation typically 0.01%V; (4)Load regulation typically 0.1%; (5)Current limit constant with temperature; (6)Eliminates the need to stock many voltages; (7)Standard 3-lead transistor package; (8)80 dB ripple rejection; (9)Available in TO-92, SO-8, or 6-Bump micro SMD package; (10)Output is short circuit protected.

Diagrams

LM317LM connection diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
LM317LM
LM317LM
Fairchild Semiconductor
Linear Regulators - Standard Positive adj Reg 3Terminal
Data Sheet
0-1: $0.24
1-25: $0.20
25-100: $0.17
100-250: $0.15
LM317LM/NOPB
LM317LM/NOPB
National Semiconductor (TI)
Linear Regulators - Standard 3-TERMINAL ADJ REG
Data Sheet
0-1: $0.46
1-25: $0.35
25-100: $0.31
100-250: $0.27
LM317LMX/NOPB
LM317LMX/NOPB
National Semiconductor (TI)
Linear Regulators - Standard 3-TERMINAL ADJ REG
Data Sheet
0-1: $0.50
1-25: $0.39
25-100: $0.34
100-250: $0.30
LM317LMX
LM317LMX
Fairchild Semiconductor
Linear Regulators - Standard Positive adj Reg 3Terminal
Data Sheet
0-1: $0.28
1-25: $0.23
25-100: $0.16
100-250: $0.15
LM317LM_Q
LM317LM_Q
Fairchild Semiconductor
Linear Regulators - Standard Positive adj Reg 3Terminal
Data Sheet
Negotiable