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LM340S-12

LM340S-12

LM340S-12

Texas Instruments

Fixed 2.54mm PMIC 4 TO-263

SOT-23

LM340S-12 Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Package / Case TO-263
Number of Pins 3
JESD-609 Code e0
Pbfree Code no
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 3
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Max Operating Temperature125°C
Min Operating Temperature 0°C
Packing Method RAIL
Terminal Position SINGLE
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 235
Number of Functions 1
Terminal Pitch2.54mm
Current Rating1A
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Pin Count4
Number of Outputs 1
Qualification StatusNot Qualified
Output Type Fixed
Max Output Current1A
Polarity Positive
Current - Output 1A
Quiescent Current8mA
Accuracy 2 %
Voltage - Output 12V
Output Voltage 1 12V
Min Input Voltage 14.6V
Max Input Voltage 35V
Dropout Voltage2.8V
Dropout Voltage1-Nom 2V
Voltage Tolerance-Max 5%
Nominal Output Voltage 12V
Line Regulation-Max (%/V) 0.06%
Height Seated (Max) 4.79mm
Width 8.64mm
REACH SVHC No SVHC
RoHS StatusRoHS Compliant
In-Stock:4740 items

LM340S-12 Product Details

LM340S-12 Overview


There is a TO-263 case with the integrated voltage regulator. There are 3 terminations on the battery regulator IC chip and each of them has its own function. In terms of output type, Fixed is what the Regulator IC produces. There is an 1Amp current output on this voltage regulator IC. It has a total of 4 pins on IC voltage regulator. In order to ensure prompt, adequate, and prompt performance, this regulator has 1 outputs in total. In terms of its dropout voltage, it is 10 volts. There are 3 pins on the chip. In order to pack the regulator, the method is RAIL. In order to meet the operating requirements of the regulator, its maximal output current reaches 1A. It operates in the 8mA Quiescent Current state. Utilize the regulator IC when the temperature is below 125°C. It is recommended that the chip be operated at a temperature no lower than 0°C operating temperature. According to its specs, this IC voltage regulator generally outputs 12V volts.

LM340S-12 Features


2.8V dropout voltage
RAIL method of packing
The maximum operating temperature of 0°C


LM340S-12 Applications


There are a lot of Texas Instruments
LM340S-12 Linear Voltage Regulators applications.


  • Camera
  • Video equipment
  • CPU power supply
  • Switching regulator
  • Multiple-power supply system
  • Digital audio player
  • Digital TV
  • Smartcard
  • Industrial equipment
  • DVD and CD-ROM drive

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