• LM317MDCYR SOT-223 (DCY)-4
LM317MDCYR SOT-223 (DCY)-4


Adjustable linear regulator with an output voltage range from 1.25V to 37V

Quantity Unit Price(USD) Ext. Price
1 $0.425 $0.42
10 $0.339 $3.39
30 $0.300 $9.00
100 $0.253 $25.30
500 $0.233 $116.50
1000 $0.219 $219.00


*The price is for reference only.
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  • Part Number : LM317MDCYR

  • Package/Case : SOT-223 (DCY)-4

  • Brands : TI

  • Components Categories : Voltage Regulators - Linear

  • Datesheet : LM317MDCYR DataSheet (PDF)

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Overview of LM317MDCYR

The LM317MDCYR is a linear voltage regulator IC that can provide an adjustable output voltage ranging from 1.2V to 37V. It is capable of supplying up to 500mA of output current. This device is versatile and can be used in a wide range of applications where a stable voltage source is required.The LM317MDCYR features internal current limiting and thermal shutdown protection, making it a reliable choice for power supply designs. It requires minimal external components to operate efficiently, which simplifies circuit design and reduces overall costs.This regulator operates over a temperature range of -40°C to 125°C, making it suitable for various environmental conditions. The TO-252 package allows for easy mounting and dissipates heat effectively, ensuring reliable performance.


Key Features

  • Adjustable output voltage
  • Output current up to 500 mA
  • Input voltage range from 1.25V to 37V
  • Thermal shutdown and current limiting protection
  • TO-252 package for easy mounting and heatsinking
  • Application

  • The LM317MDCYR is commonly used in various applications such as voltage regulators, battery chargers, variable power supplies, and electronic instrumentation
  • It is ideal for providing a stable and adjustable output voltage in a wide range of voltage and current requirements
  • Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Output options Adjustable Output Iout (max) (A) 0.5
    Vin (max) (V) 40 Vin (min) (V) 3.75
    Vout (max) (V) 37 Vout (min) (V) 1.2
    Noise (µVrms) 38 Iq (typ) (mA) 5
    Thermal resistance θJA (°C/W) 60 Rating Catalog
    Load capacitance (min) (µF) 0 Regulated outputs (#) 1
    Accuracy (%) 3 PSRR at 100 KHz (dB) 22
    Dropout voltage (Vdo) (typ) (mV) 2000 Operating temperature range (°C) -40 to 125

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