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Power Circuits / Linear Regulator ICs / LM317AMDTX/NOPB
Datasheets
LM317AMDTX/NOPB by:

1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 3-TO-252 -40 to 125

Part Details for LM317AMDTX/NOPB by Texas Instruments

Results Overview of LM317AMDTX/NOPB by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LM317AMDTX/NOPB Information

LM317AMDTX/NOPB by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
DS96174CN/NOPB Rochester Electronics LLC DS96174 - Line Driver, 4 Func, 4 Driver, BIPolar, PDIP16
LM611IM/NOPB Rochester Electronics LLC LM611IM - Operational Amplifier, 7000uV Offset-Max, BIPolar

Price & Stock for LM317AMDTX/NOPB

Part # Distributor Description Stock Price Buy
Ameya Holding Limited IC REG LIN POS ADJ 1.5A TO252-3 2264
RFQ
LCSC 80dB(120Hz) 1.5A Adjustable 1.25V37V Positive electrode 40V TO-252-3 Voltage Regulators - Linear Low Drop Out (LDO) Regulators ROHS 2609
  • 1 $1.2340
  • 10 $1.0273
  • 30 $0.8623
  • 100 $0.7343
  • 500 $0.6772
  • 1,000 $0.6510
$0.6510 / $1.2340 Buy Now
Win Source Electronics Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin(2+Tab) TO-252 T/R / IC REG LINEAR ADJ 0.5A TO252-3 28420
  • 70 $0.7640
  • 140 $0.7148
  • 220 $0.6901
  • 315 $0.6408
  • 410 $0.6162
  • 510 $0.5915
$0.5915 / $0.7640 Buy Now

Part Details for LM317AMDTX/NOPB

LM317AMDTX/NOPB CAD Models

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LM317AMDTX/NOPB Part Data Attributes

Parametric Data
LM317AMDTX/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM317AMDTX/NOPB Texas Instruments 1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 3-TO-252 -40 to 125
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code TO-252
Package Description GREEN, TO-252, DPAK-3
Pin Count 3
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Adjustability ADJUSTABLE
Dropout Voltage1-Nom 2.25 V
Input Voltage-Max 40 V
Input Voltage-Min 3 V
Input-Output Voltage Differential-Max 40 V
Input-Output Voltage Differential-Min 3 V
JESD-30 Code R-PSSO-G2
JESD-609 Code e3
Length 6.58 mm
Line Regulation-Max (%/V) 0.02
Load Regulation-Max(%) 1%
Moisture Sensitivity Level 2
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current1-Max 1.5 A
Output Voltage1-Max 37 V
Output Voltage1-Min 1.2 V
Output Voltage1-Nom 37 V
Package Body Material PLASTIC/EPOXY
Package Code TO-252
Package Equivalence Code SMSIP3H,.38,90TB
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Seated Height-Max 2.55 mm
Surface Mount YES
Technology BIPOLAR
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 2.285 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 5%
Width 6.1 mm

Alternate Parts for LM317AMDTX/NOPB

This table gives cross-reference parts and alternative options found for LM317AMDTX/NOPB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM317AMDTX/NOPB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM317MDTX National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317MDTX
LM317AMDT National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317AMDT
LM317AMDTX National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317AMDTX
LM317AMDT/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, ROHS COMPLIANT, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317AMDT/NOPB
LM317MDTX Texas Instruments Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3 LM317AMDTX/NOPB vs LM317MDTX
LM317MDT/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, ROHS COMPLIANT, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317MDT/NOPB
LM317MDTX/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, ROHS COMPLIANT, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317MDTX/NOPB
LM317MDT/NOPB Texas Instruments Check for Price 1.5-A, 40-V, adjustable linear voltage regulator 3-TO-252 0 to 125 LM317AMDTX/NOPB vs LM317MDT/NOPB
LM317AMDTX/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, ROHS COMPLIANT, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317AMDTX/NOPB
LM317MDT National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PSSO2, TO-252, DPAK-3, Adjustable Positive Single Output Standard Regulator LM317AMDTX/NOPB vs LM317MDT
Part Number Manufacturer Composite Price Description Compare
LM317MDTRK Motorola Mobility LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MDTRK
LM317MG-TN3-R Unisonic Technologies Co Ltd Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, PSSO2, HALOGEN FREE, TO-252, 3 PIN LM317AMDTX/NOPB vs LM317MG-TN3-R
LM317MADTT4 Motorola Mobility LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MADTT4
LM317MADT Motorola Mobility LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO2, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MADT
LM317MBDTG onsemi Check for Price Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive Vout: 4%; TJ = -40°C to 125°C, DPAK (SINGLE GAUGE) TO-252, 75-TUBE LM317AMDTX/NOPB vs LM317MBDTG
LM317MADT-1 onsemi Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSIP3, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MADT-1
LM317MG-TN3-T Unisonic Technologies Co Ltd Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, PSSO2, HALOGEN FREE, TO-252, 3 PIN LM317AMDTX/NOPB vs LM317MG-TN3-T
LM317MADT-1T4 Motorola Mobility LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSIP3, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MADT-1T4
LM317ML-TN3-T Unisonic Technologies Co Ltd Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, PSSO2, LEAD FREE, TO-252, 3 PIN LM317AMDTX/NOPB vs LM317ML-TN3-T
LM317MADTT4 Motorola Semiconductor Products Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2, PLASTIC, DPAK-3 LM317AMDTX/NOPB vs LM317MADTT4

LM317AMDTX/NOPB Related Parts

LM317AMDTX/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage for the LM317 is 40V, but it's recommended to keep it below 35V for reliable operation.

  • The output voltage of the LM317 can be adjusted by using a resistive divider network between the output and the adjust pin. The formula to calculate the output voltage is Vout = 1.25 * (1 + R2/R1).

  • The minimum input voltage required for the LM317 to regulate the output voltage is 3V above the desired output voltage.

  • Yes, the LM317 can be used as a current regulator by adding a current-sensing resistor in series with the output. The current limit is determined by the voltage drop across the resistor.

  • To protect the LM317 from overheating, ensure good heat sinking, use a heat sink with a thermal resistance of less than 10°C/W, and keep the ambient temperature below 50°C.

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