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LM317AT

LM317AT

LM317AT

Texas Instruments

Adjustable 2.54mm LM317 PMIC 3 TO-220-3

SOT-23

LM317AT Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status NRND (Last Updated: 5 days ago)
Mount Through Hole
Mounting Type Through Hole
Package / Case TO-220-3
Number of Pins 3
Operating Temperature-40°C~125°C
PackagingTube
JESD-609 Code e0
Part StatusNot For New Designs
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 3
Termination Through Hole
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Position SINGLE
Number of Functions 1
Terminal Pitch2.54mm
Current Rating1.5A
Base Part Number LM317
Pin Count3
Number of Outputs 1
Voltage - Input (Max) 40V
Output Voltage 37V
Output Type Adjustable
Max Output Current1.5A
Max Supply Voltage40V
Min Supply Voltage3V
Output Configuration Positive
Quiescent Current60μA
Accuracy 1 %
Max Output Voltage37V
Voltage - Output (Min/Fixed) 1.25V
Number of Regulators1
Min Input Voltage 4.2V
Protection Features Over Temperature, Short Circuit
Current - Quiescent (Iq) 10mA
PSRR 80dB ~ 65dB (120Hz)
Reference Voltage1.262V
Dropout Voltage2V
Dropout Voltage1-Nom 2.25V
Min Output Voltage 1.2V
Power Supply Rejection Ratio (PSRR) 80dB
Output Voltage Accuracy 1 %
Load Regulation-Max(%) 1%
Height 4.7mm
Length 14.986mm
Width 10.16mm
Thickness 4.572mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:2920 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.735216$0.735216
10$0.693600$6.936
100$0.654340$65.434
500$0.617302$308.651
1000$0.582360$582.36

LM317AT Product Details

LM317AT Overview


Deliveries are in Tube cases. The package is in a TO-220-3 case. Basically, the voltage regulator chip is made up of 3 terminations. In this case, Adjustable represents the output type of the Voltage Regulated IC. This part implements 1 regulator ICs, which can be found in the following table. Regulator IC varies the range of Through Hole operating temperatures. The Voltage Regulated IC operates at a temperature of -40°C~125°C degrees, which is its operating temperature. It is configured for output function Positive on this regulator. The total number of pins in the regulator is 3. This IC regulator has a total of 1 outputs, which ensures a rapid, adequate performance when in use. There is a voltage dropout of 10 volts for this IC regulator. Several pins on the chip are 3-shaped. As an FYI, this IC voltage regulator has the basic part number LM317. The maximal output current reaches 1.5A to meet the operating requirements. It operates in the 60μA Quiescent Current state. The top supply voltage can be set to 40V volts.

LM317AT Features


2V dropout voltage


LM317AT Applications


There are a lot of Texas Instruments
LM317AT Linear Voltage Regulators applications.


  • Electronic notebook
  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system
  • Digital audio player
  • Digital TV
  • Smartcard
  • Industrial equipment

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