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Power Circuits / Linear Regulator ICs / LM317AEMP/NOPB
Datasheets
LM317AEMP/NOPB by:
Texas Instruments
Hongxing Electrical Ltd
National Semiconductor Corporation
Texas Instruments
Not Found

1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 4-SOT-223 -40 to 125

Part Details for LM317AEMP/NOPB by Texas Instruments

Results Overview of LM317AEMP/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.

LM317AEMP/NOPB Information

LM317AEMP/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.

Price & Stock for LM317AEMP/NOPB

Part # Distributor Description Stock Price Buy
DISTI # 33AH4143
Newark V Reg, 1A, 0.01%, 1.2-37V, 4Sot223, Fixed Output Voltage Nom.:-, Adjustable Output Voltage Min:1.2... V, Adjustable Output Voltage Max:37V, Input Voltage Min:4.2V, Input Voltage Max:40V, Product Range:-, Output Current:1A, Output Rohs Compliant: Yes |Texas Instruments LM317AEMP/NOPB more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape 0
  • 1 $3.0200
  • 10 $2.8800
  • 25 $2.7400
  • 50 $2.6200
  • 100 $2.5100
  • 250 $2.4200
  • 500 $2.3700
$2.3700 / $3.0200 Buy Now
DISTI # LM317AEMP/NOPBCT-ND
DigiKey IC REG LIN POS ADJ 1.5A SOT223-4 Min Qty: 1 Lead time: 6 Weeks Container: Tape & Reel (TR), Cut Tape (CT), Digi-Reel® 13772
In Stock
  • 1 $2.5300
  • 10 $1.8790
  • 25 $1.7168
  • 100 $1.5389
  • 250 $1.4540
  • 500 $1.4029
  • 1,000 $1.3608
  • 2,000 $1.3261
  • 3,000 $1.3088
  • 5,000 $1.2895
  • 7,000 $1.2783
$1.2783 / $2.5300 Buy Now
DISTI # 926-LM317AEMP/NOPB
Mouser Electronics Linear Voltage Regulators 3-TERMINAL ADJ REG A 926-LM317AEMPX/NOPB RoHS: Compliant 17593
  • 1 $2.5300
  • 10 $1.8800
  • 25 $1.7200
  • 100 $1.5400
  • 250 $1.4600
  • 500 $1.4100
  • 1,000 $1.3600
  • 2,000 $1.3000
  • 5,000 $1.2600
$1.2600 / $2.5300 Buy Now
DISTI # J56:1989_00015053
Arrow Electronics Standard Regulator Pos 1.2V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 6 Weeks Date Code: 2413 Europe - 102000
  • 1,000 $1.2140
  • 2,000 $1.2140
$1.2140 Buy Now
DISTI # V72:2272_07271208
Arrow Electronics Standard Regulator Pos 1.2V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 2311 Container: Cut Strips Americas - 1004
  • 1 $2.2040
  • 10 $1.5030
  • 25 $1.4880
  • 100 $1.3460
  • 250 $1.2770
  • 500 $1.2460
  • 1,000 $1.2140
$1.2140 / $2.2040 Buy Now
DISTI # 76475515
Verical Standard Regulator Pos 1.2V to 37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 2311 Americas - 1004
  • 5 $2.2040
  • 10 $1.5030
  • 25 $1.4880
  • 100 $1.3460
  • 250 $1.2770
  • 500 $1.2460
  • 1,000 $1.2140
$1.2140 / $2.2040 Buy Now
Bristol Electronics   3217
RFQ
Bristol Electronics   124
RFQ
Quest Components IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SOT-223,3PIN,PLASTIC,LEAD FREE 4000
  • 1 $2.0435
  • 588 $0.9400
  • 1,065 $0.8583
$0.8583 / $2.0435 Buy Now
Quest Components IC,VOLT REGULATOR,ADJUSTABLE,+1.2 TO +37V,BIPOLAR,SOT-223,3PIN,PLASTIC,LEAD FREE 2400
  • 1 $3.2696
  • 398 $1.3487
  • 742 $1.2261
$1.2261 / $3.2696 Buy Now
DISTI # LM317AEMP/NOPB
TME IC: voltage regulator, linear,adjustable, 1.2÷25V, SOT223, SMD Min Qty: 1 8163
  • 1 $1.3800
  • 5 $1.2300
  • 25 $0.9800
  • 100 $0.8800
  • 250 $0.7600
  • 1,000 $0.7000
$0.7000 / $1.3800 Buy Now
DISTI # SMC-LM317AEMP/NOPB
Sensible Micro Corporation AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days 474
RFQ
Chip 1 Exchange INSTOCK 7675
RFQ
LCSC 80dB(120Hz) 1.5A Adjustable 1.25V37V Positive electrode 40V SOT-223-3 Voltage Regulators - Linear Lo... w Drop Out (LDO) Regulators ROHS more 1335
  • 1 $0.5557
  • 10 $0.4458
  • 30 $0.3916
  • 100 $0.3375
  • 500 $0.2926
  • 1,000 $0.2756
$0.2756 / $0.5557 Buy Now
New Advantage Corporation IC-317 V.REG LDO ADJ 1.5A SOT223 TI RoHS: Compliant Min Qty: 1 Package Multiple: 100 4637
  • 100 $2.9000
  • 4,637 $2.7000
$2.7000 / $2.9000 Buy Now
Vyrian Regulators 21526
RFQ
Win Source Electronics IC REG LINEAR ADJ 1A SOT223-4 49960
  • 155 $0.3229
  • 335 $0.3021
  • 515 $0.2917
  • 740 $0.2709
  • 960 $0.2605
  • 1,200 $0.2500
$0.2500 / $0.3229 Buy Now

Part Details for LM317AEMP/NOPB

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LM317AEMP/NOPB Part Data Attributes

Parametric Data
LM317AEMP/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM317AEMP/NOPB Texas Instruments 1.5-A, 40-V, adjustable linear voltage regulator with high-accuracy 4-SOT-223 -40 to 125
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOT-223
Package Description GREEN, SOT-223, 4 PIN
Pin Count 4
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-PDSO-G3
JESD-609 Code e3
Length 6.5 mm
Line Regulation-Max (%/V) 0.02
Load Regulation-Max(%) 1%
Moisture Sensitivity Level 1
Number of Functions 1
Number of Outputs 1
Number of Terminals 4
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 SOP
Package Equivalence Code SOT-223
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 1.8 mm
Surface Mount YES
Technology BIPOLAR
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 2.3 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Voltage Tolerance-Max 5%
Width 3.56 mm

Alternate Parts for LM317AEMP/NOPB

This table gives cross-reference parts and alternative options found for LM317AEMP/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 LM317AEMP/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
LM317EMP National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317EMP
LM317EMP/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO4, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317EMP/NOPB
LM317AEMP/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317AEMP/NOPB
LM317EMPX/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO4, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317EMPX/NOPB
Part Number Manufacturer Composite Price Description Compare
LM317EMPX Texas Instruments Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN LM317AEMP/NOPB vs LM317EMPX
LM317AEMPX/NOPB National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, ROHS COMPLIANT, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317AEMPX/NOPB
LM317EMPX National Semiconductor Corporation Check for Price IC VREG 1.2 V-37 V ADJUSTABLE POSITIVE REGULATOR, PDSO3, SOT-223, 4 PIN, Adjustable Positive Single Output Standard Regulator LM317AEMP/NOPB vs LM317EMPX
LM317EMP/NOPB Texas Instruments $0.4695 1.5-A, 40-V, adjustable linear voltage regulator 4-SOT-223 0 to 125 LM317AEMP/NOPB vs LM317EMP/NOPB
LM317MDCYG3 Texas Instruments $0.3265 500-mA, 40-V, adjustable linear voltage regulator 4-SOT-223 -40 to 125 LM317AEMP/NOPB vs LM317MDCYG3
IFX1117MEVHTMA1 Infineon Technologies AG Check for Price Adjustable Positive Standard Regulator, PDSO4, GREEN, PLASTIC, SOT-223, 4 PIN LM317AEMP/NOPB vs IFX1117MEVHTMA1
LM317MQDCYRG4 Texas Instruments $0.4298 500-mA, 40-V, adjustable linear voltage regulator for automotive applications 4-SOT-223 -40 to 125 LM317AEMP/NOPB vs LM317MQDCYRG4
LM317MBSTT3G onsemi $0.4056 Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive Vout: 4%; TJ = -40°C to 125°C, SOT-223 (TO-261) 4 LEAD, 4000-REEL LM317AEMP/NOPB vs LM317MBSTT3G
LM317D2TXM Rochester Electronics LLC Check for Price 1.2 V-37V ADJUSTABLE POSITIVE REGULATOR, PSSO3, LEAD FREE, D2PAK-3 LM317AEMP/NOPB vs LM317D2TXM
LM317MSTT3 onsemi Check for Price Linear Voltage Regulator, 500 mA, High PSRR, Adjustable, Positive, SOT-223 (TO-261) 4 LEAD, 4000-REEL LM317AEMP/NOPB vs LM317MSTT3

LM317AEMP/NOPB Related Parts

LM317AEMP/NOPB Frequently Asked Questions (FAQ)

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

  • The output voltage can be adjusted by using a resistive divider network between the output and adjustment pins. The formula to calculate the output voltage is Vout = 1.25 x (1 + R2/R1).

  • The LM317AEMP/NOPB requires a minimum load current of 3.5mA to maintain regulation. If the load current is less than this, an additional resistor can be added to ensure proper operation.

  • The LM317AEMP/NOPB is rated for operation up to 125°C, but the output current and voltage regulation may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.

  • A capacitor (e.g., 10uF) can be added between the input and ground to filter out voltage transients. Additionally, a TVS diode or a zener diode can be used to clamp the input voltage to prevent damage from voltage spikes.