| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM337IMP/NOPB | Texas Instruments | $1.6654 | Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4 | LM337IMP vs LM337IMP/NOPB |
| LM337IMP | National Semiconductor Corporation | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, PDSO4 | LM337IMP vs LM337IMP |
| LM337IMPX | Texas Instruments | Check for Price | Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4 | LM337IMP vs LM337IMPX |
| LM337IMPX | National Semiconductor Corporation | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, PDSO4 | LM337IMP vs LM337IMPX |
Part Details for LM337IMP by Texas Instruments
Results Overview of LM337IMP by Texas Instruments
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (4 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (3 options)
- CAD Models: (Available)
- 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.
LM337IMP Information
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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM337IMPX | Texas Instruments | 1.5A Adjustable Output Negative Regulator 4-SOT-223 -40 to 125 | |
| LM337IMP/NOPB | Texas Instruments | 1.5A Adjustable Output Negative Regulator 4-SOT-223 -40 to 125 | |
| LM337IMPX/NOPB | Texas Instruments | 1.5A Adjustable Output Negative Regulator 4-SOT-223 -40 to 125 |
Price & Stock for LM337IMP
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
LM337IMPCT-ND
|
DigiKey | IC REG LIN NEG ADJ 1.5A SOT223-4 Min Qty: 1 Container: Cut Tape |
5941 Cut Tape |
|
$1.5690 / $2.8100 | Buy Now |
|
DISTI #
93861854
|
Verical | Standard Regulator Neg -1.2V to -37V 1.5A 4-Pin(3+Tab) SOT-223 T/R RoHS: Not Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2317 | Americas - 807 |
|
$1.3070 / $2.5526 | Buy Now |
|
|
Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,SOT-223,3PIN,PLASTIC | 20 |
|
$2.2110 / $3.0150 | Buy Now |
|
|
Chip Stock | 1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125 | 70482 |
|
RFQ | |
|
|
Win Source Electronics | IC REG LINEAR ADJ 1A SOT223-4 | 98560 |
|
$0.5549 / $0.7128 | Buy Now |
US Tariff Estimator: LM337IMP by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LM337IMP CAD Models
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LM337IMP Part Data Attributes
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LM337IMP
Texas Instruments
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Datasheet
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LM337IMP
Texas Instruments
Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, PDSO4
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| Pbfree Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOT-223 | |
| Package Description | Sot-223, 3 Pin | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Date Of Intro | 1997-12-01 | |
| 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 |
Alternate Parts for LM337IMP
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.
LM337IMP Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM337IMP is 40V. Exceeding this voltage can cause damage to the device.
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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.
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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.
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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.
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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.