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Updated at 31/10/2025 10:30:15(UTC+8)

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Description

The LM317MSTT3G is an adjustable 3-terminal output Positive Voltage Regulator capable of supplying in excess of 500mA over an output voltage range of 1.2 to 37V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow-out proof. This regulator serves a wide variety of applications including local, on card regulation. This device can also be used to make a programmable output regulator or by connecting a fixed resistor between the adjustment and output, the regulator can be used as a precision current regulator.
Internal thermal overload protection
Internal short-circuit current limiting
Output transistor safe area compensation
Floating operation for high voltage applications
Eliminates stocking many fixed voltages

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LM317MSTT3G Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	3 Pin
Case/Package	TO-261-4
Current Rating	500 mA
Halogen Free Status	Halogen Free
Number of Outputs	1 Output
Output Voltage	1.2V ~ 37V
Output Current	500 mA
Supply Current	10 mA
Number of Positions	3 Position
Polarity	P-Channel
Input Voltage (Max)	40 V
Input Voltage (Min)	4.2 V
Output Voltage (Max)	37 V
Output Voltage (Min)	1.2 V
Output Current (Max)	250 mA
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	0 ℃
Accuracy	±4 %
Supply Voltage (Min)	3 V
Input Voltage	40 V
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Size-Length	6.5 mm
Size-Width	3.5 mm
Size-Height	1.57 mm
Operating Temperature	0℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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