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LM317DCYR

LM317DCYR

LM317DCYR

Texas Instruments

Adjustable 2.3mm Tin LM317 PMIC 4 TO-261-4, TO-261AA

SOT-23

LM317DCYR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Lifecycle Status ACTIVE (Last Updated: 1 day ago)
Factory Lead Time 6 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case TO-261-4, TO-261AA
Number of Pins 4
Weight 188.014037mg
Operating Temperature0°C~125°C
PackagingCut Tape (CT)
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 4
ECCN Code EAR99
Packing Method TR
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Terminal Pitch2.3mm
Base Part Number LM317
Pin Count4
Number of Outputs 1
Voltage - Input (Max) 40V
Output Voltage 37V
Output Type Adjustable
Max Output Current1.5A
Output Configuration Positive
Quiescent Current3.5mA
Max Output Voltage37V
Number of Regulators1
Min Input Voltage 4.2V
Protection Features Over Temperature, Short Circuit
PSRR 64dB ~ 57dB (120Hz)
Reference Voltage1.3V
Dropout Voltage2V
Dropout Voltage1-Nom 2V
Min Output Voltage 1.25V
Power Supply Rejection Ratio (PSRR) 64dB
Height 1.8mm
Length 6.5mm
Width 3.5mm
Thickness 1.6mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:8367 items

Pricing & Ordering

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LM317DCYR Product Details

LM317DCYR Overview


A Cut Tape (CT) case is used to deliver this IC regulator. This voltage regulator IC comes in a TO-261-4, TO-261AA case. On the regulater IC chip, there are a total of 4 terminations. Output type Adjustable. This component features 1 Voltage regulators. As a result of the Linear Voltage Regulator's design, the operating temperature of Surface Mount can be adjusted within a specified range. There is a temperature range of 0°C~125°C degrees during operation of the IC regulator. There is a configuration in this voltage regulator IC that specifies that its output function is Positive. A total of 4 pins can be found on the board. In order to deliver prompt, sufficient and reliable performance, this regulator IC has 1 outputs in total. A dropout voltage of 10 volts can be obtained from this voltage regulator IC. There are 4 pins on the chip. As an FYI, this IC voltage regulator has the basic part number LM317. As you can see from the picture, the regulator IC is packed in a certain way. Taking into account the operation requirements, the maximum output current of the IC voltage regulator reaches 1.5A. It operates in the 3.5mA Quiescent Current state.

LM317DCYR Features


2V dropout voltage
TR method of packing


LM317DCYR Applications


There are a lot of Texas Instruments
LM317DCYR Linear Voltage Regulators applications.


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

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