Part Details for LM317MDT by onsemi
Results Overview of LM317MDT by onsemi
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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.
LM317MDT Information
LM317MDT by onsemi 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.
Price & Stock for LM317MDT
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
488-LM317MDT-ND
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DigiKey | IC REG LINEAR POS ADJ 500MA DPAK Lead time: 8 Weeks Container: Bulk | Limited Supply - Call |
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Buy Now | |
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Bristol Electronics | 20 |
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RFQ | ||
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SIP,3PIN,PLASTIC | 240 |
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$0.4125 / $0.8250 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SIP,3PIN,PLASTIC | 118 |
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$0.4950 / $0.8250 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SIP,3PIN,PLASTIC | 16 |
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$1.1600 / $1.4500 | Buy Now |
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Win Source Electronics | Three-Terminal Adjustable Output Positive Voltage Regulator | IC REG LINEAR POS ADJ 500MA DPAK | 156000 |
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$0.0635 / $0.0820 | Buy Now |
Part Details for LM317MDT
LM317MDT CAD Models
LM317MDT Part Data Attributes
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LM317MDT
onsemi
Buy Now
Datasheet
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LM317MDT
onsemi
Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive, DPAK (SINGLE GAUGE) TO-252, 75-TUBE
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ONSEMI | |
| Part Package Code | DPAK (SINGLE GAUGE) TO-252 | |
| Package Description | PLASTIC, DPAK-4 | |
| Pin Count | 3 | |
| Manufacturer Package Code | 369C | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | onsemi | |
| Adjustability | ADJUSTABLE | |
| Dropout Voltage1-Nom | 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 | e0 | |
| Length | 6.54 mm | |
| Line Regulation-Max (%/V) | 0.07 | |
| Load Regulation-Max(%) | 1.5% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 0.5 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.2 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 | RAIL | |
| Peak Reflow Temperature (Cel) | 235 | |
| Qualification Status | Not Qualified | |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Seated Height-Max | 2.38 mm | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Terminal Finish | Tin/Lead (Sn80Pb20) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.29 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 6.095 mm |
Alternate Parts for LM317MDT
This table gives cross-reference parts and alternative options found for LM317MDT. 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 LM317MDT, 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 |
|---|---|---|---|---|
| LM317MDT-1RK | Motorola Semiconductor Products | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSIP3, PLASTIC, DPAK-3 | LM317MDT vs LM317MDT-1RK |
| LM317MADT-1 | onsemi | Check for Price | 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSIP3, PLASTIC, DPAK-3 | LM317MDT vs LM317MADT-1 |
| LM317MBDT-1T4 | Motorola Mobility LLC | Check for Price | 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSIP3, PLASTIC, DPAK-3 | LM317MDT vs LM317MBDT-1T4 |
| LM317MDTRK | onsemi | Check for Price | Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive, DPAK (SINGLE GAUGE) TO-252, 2500-REEL | LM317MDT vs LM317MDTRK |
| LM317MBDTRK | Motorola Semiconductor Products | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSSO2, PLASTIC, DPAK-3 | LM317MDT vs LM317MBDTRK |
| LM317M-TN3-T | Unisonic Technologies Co Ltd | Check for Price | Regulator | LM317MDT vs LM317M-TN3-T |
| LM317MABDT-1RK | Motorola Semiconductor Products | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSIP3, PLASTIC, DPAK-3 | LM317MDT vs LM317MABDT-1RK |
| LM317MBDT1 | Freescale Semiconductor | Check for Price | IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SIP,3PIN,PLASTIC | LM317MDT vs LM317MBDT1 |
LM317MDT Frequently Asked Questions (FAQ)
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The minimum input voltage required for the LM317MDT to operate is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage should be at least 8V.
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To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended. Additionally, the input capacitor should be at least 0.1uF and the ESR (Equivalent Series Resistance) of the output capacitor should be less than 5 ohms.
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The maximum output current that the LM317MDT can deliver is 1.5A. However, it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
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No, the LM317MDT is a positive voltage regulator and cannot be used as a negative voltage regulator. For negative voltage regulation, a different regulator such as the LM337 is required.
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The output voltage of the LM317MDT can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors and the reference voltage (1.25V) of the LM317MDT.