Datasheets
LM317MBT by:
onsemi
Freescale Semiconductor
Motorola Mobility LLC
Motorola Semiconductor Products
onsemi
Not Found

Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive, TO-220, SINGLE GAUGE, 3-LEAD, 50-TUBE

Part Details for LM317MBT by onsemi

Results Overview of LM317MBT by onsemi

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LM317MBT Information

LM317MBT 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 LM317MBT

Part # Distributor Description Stock Price Buy
Rochester Electronics Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 RoHS: Compliant Status: Obsolete Min Qty: 1 492
  • 1 $0.2058
  • 25 $0.2017
  • 100 $0.1935
  • 500 $0.1852
  • 1,000 $0.1749
$0.1749 / $0.2058 Buy Now

Part Details for LM317MBT

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LM317MBT Part Data Attributes

LM317MBT onsemi
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LM317MBT onsemi Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive, TO-220, SINGLE GAUGE, 3-LEAD, 50-TUBE
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Pbfree Code No
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer ONSEMI
Part Package Code TO-220, SINGLE GAUGE, 3-LEAD
Package Description PLASTIC, TO-220AB, 3 PIN
Pin Count 3
Manufacturer Package Code 221AB
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 4 Weeks
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-PSFM-T3
JESD-609 Code e0
Line Regulation-Max (%/V) 0.07
Load Regulation-Max(%) 1.5%
Number of Functions 1
Number of Outputs 1
Number of Terminals 3
Operating Temperature TJ-Max 125 °C
Operating Temperature TJ-Min -40 °C
Output Current1-Max 0.5 A
Output Voltage1-Max 37 V
Output Voltage1-Min 1.2 V
Package Body Material PLASTIC/EPOXY
Package Code SFM
Package Equivalence Code SIP3,.1TB
Package Shape RECTANGULAR
Package Style FLANGE MOUNT
Packing Method RAIL
Peak Reflow Temperature (Cel) 235
Qualification Status Not Qualified
Regulator Type ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Surface Mount NO
Technology BIPOLAR
Terminal Finish Tin/Lead (Sn80Pb20)
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30

Alternate Parts for LM317MBT

This table gives cross-reference parts and alternative options found for LM317MBT. 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 LM317MBT, 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
LM317MBTG onsemi $0.3433 Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive Vout: 4%; TJ = -40°C to 125°C, TO-220, SINGLE GAUGE, 3-LEAD, 50-TUBE LM317MBT vs LM317MBTG
LM317MBT Motorola Semiconductor Products Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3, POWER, PLASTIC, 221A-06, 3 PIN LM317MBT vs LM317MBT
LM317MBT Motorola Mobility LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSFM3, POWER, PLASTIC, 221A-06, 3 PIN LM317MBT vs LM317MBT
Part Number Manufacturer Composite Price Description Compare
LM117K883 Linear Technology Check for Price IC VREG 2 V-40 V ADJUSTABLE POSITIVE REGULATOR, MBFM2, METAL CAN, TO-3, 2 PIN, Adjustable Positive Single Output Standard Regulator LM317MBT vs LM117K883
LM117KSTEEL/883B National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, MBFM2, METAL CAN, TO-3, 2 PIN, Adjustable Positive Single Output Standard Regulator LM317MBT vs LM117KSTEEL/883B
LM117MHR1 TT Electronics Power and Hybrid / Semelab Limited Check for Price ADJUSTABLE POSITIVE REGULATOR, MBCY3, TO-39, 3 PIN LM317MBT vs LM117MHR1
M38510/11704BYA Microchip Technology Inc Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 LM317MBT vs M38510/11704BYA
UC217T Unitrode Corporation Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3, TO-220, 3 PIN LM317MBT vs UC217T
7703405TA Solitron Devices Inc Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 1.3V Max, BIPolar, TO-257, 3 PIN LM317MBT vs 7703405TA
7703405ZX Micross Components Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, MBFM2, LM317MBT vs 7703405ZX
7703401XX Unitrode Corp (RETIRED) Check for Price Adjustable Positive Standard Regulator, 1.2V Min, 1.3V Max, MBCY3, TO-39, 3 PIN LM317MBT vs 7703401XX
IP317HVK TT Electronics Power and Hybrid / Semelab Limited Check for Price 1.25 V-60V ADJUSTABLE POSITIVE REGULATOR, MBFM2, TO-3, 2 PIN LM317MBT vs IP317HVK
LM117HVK/883 National Semiconductor Corporation Check for Price IC VREG 1.2 V-57 V ADJUSTABLE POSITIVE REGULATOR, MBFM2, METAL CAN, TO-3, 2 PIN, Adjustable Positive Single Output Standard Regulator LM317MBT vs LM117HVK/883

LM317MBT Related Parts

LM317MBT Frequently Asked Questions (FAQ)

  • The minimum input voltage required for the LM317MBT to operate is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage would be 8V.

  • To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended, and the input capacitor should be at least 10uF. Additionally, the output voltage should be decoupled from the input voltage using a 1kΩ resistor.

  • The maximum output current that the LM317MBT 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.

  • No, the LM317MBT 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.

  • The output voltage of the LM317MBT 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).