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1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125
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.
LM337IMP 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.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LM337IMPCT-ND
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DigiKey | IC REG LIN NEG ADJ 1.5A SOT223-4 Min Qty: 1 Lead time: 6 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
12123 In Stock |
|
$1.3900 / $2.7300 | Buy Now |
|
Bristol Electronics | 338 |
|
RFQ | ||
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Bristol Electronics | 49 |
|
RFQ | ||
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,SOT-223,3PIN,PLASTIC | 20 |
|
$2.2110 / $3.0150 | Buy Now |
DISTI #
LM337IMP
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Chip One Stop | Semiconductors RoHS: Not Compliant Min Qty: 1 Lead time: 0 Weeks, 1 Days Container: Cut Tape | 865 |
|
$1.1800 / $2.7200 | Buy Now |
|
Win Source Electronics | IC REG LINEAR ADJ 1A SOT223-4 | 61500 |
|
$0.4167 / $0.5381 | Buy Now |
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LM337IMP
Texas Instruments
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Datasheet
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LM337IMP
Texas Instruments
1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125
|
Pbfree Code | Yes | |
Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
Part Package Code | SOT-223 | |
Package Description | SOT-223, 3 PIN | |
Pin Count | 3 | |
Reach Compliance Code | not_compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Date Of Intro | 1997-12-01 | |
Samacsys Manufacturer | Texas Instruments | |
Adjustability | ADJUSTABLE | |
Dropout Voltage1-Nom | 2.4 V | |
Input Voltage-Max | 4.2 V | |
Input Voltage-Min | 40 V | |
Input-Output Voltage Differential-Max | 40 V | |
Input-Output Voltage Differential-Min | 3 V | |
JESD-30 Code | R-PDSO-G4 | |
JESD-609 Code | e0 | |
Length | 6.5 mm | |
Line Regulation-Max (%/V) | 0.07 | |
Load Regulation-Max(%) | 1.5% | |
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 | |
Output Current1-Max | 1.5 A | |
Output Voltage1-Max | -1.2 V | |
Output Voltage1-Min | -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 NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | |
Seated Height-Max | 1.8 mm | |
Surface Mount | YES | |
Technology | BIPOLAR | |
Terminal Finish | Tin/Lead (Sn/Pb) | |
Terminal Form | GULL WING | |
Terminal Pitch | 2.3 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
Voltage Tolerance-Max | 2.4% | |
Width | 3.56 mm |
This table gives cross-reference parts and alternative options found for LM337IMP. 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 LM337IMP, 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 |
---|---|---|---|---|
LM337IMPX | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE NEGATIVE REGULATOR, PDSO4, SOT-223, 3 PIN, Adjustable Negative Single Output Standard Regulator | LM337IMP vs LM337IMPX |
LM337IMP | National Semiconductor Corporation | Check for Price | IC VREG 1.2 V-37 V ADJUSTABLE NEGATIVE REGULATOR, PDSO4, SOT-223, 3 PIN, Adjustable Negative Single Output Standard Regulator | LM337IMP vs LM337IMP |
The maximum input voltage that can be applied to the LM337IMP is 40V. Exceeding this voltage can cause damage to the device.
To ensure stability and prevent oscillations, a minimum output capacitance of 10uF is recommended, and the output capacitor should be placed as close to the output pin as possible.
The minimum load current required for the LM337IMP to regulate properly is 3.5mA. If the load current is less than this, the output voltage may not be regulated accurately.
Yes, the LM337IMP can be used as a negative voltage regulator by connecting the input voltage to the output pin and the output voltage to the input pin. However, the maximum input voltage rating still applies.
To protect the LM337IMP from overheating, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.