Part Details for LM337IMP by National Semiconductor Corporation
Results Overview of LM337IMP by National Semiconductor Corporation
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- 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 National Semiconductor Corporation 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 | |
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Bristol Electronics | 963 |
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RFQ | ||
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Bristol Electronics | 584 |
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RFQ | ||
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Bristol Electronics | 506 |
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RFQ | ||
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Bristol Electronics | 28 |
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RFQ | ||
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,SOT-223,3PIN,PLASTIC | 756 |
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$0.6720 / $1.6800 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,SOT-223,3PIN,PLASTIC | 404 |
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$5.6700 / $11.3400 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,SOT-223,3PIN,PLASTIC | 92 |
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$1.1250 / $2.2500 | Buy Now |
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Vyrian | Regulators | 4801 |
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RFQ |
Part Details for LM337IMP
LM337IMP CAD Models
LM337IMP Part Data Attributes
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LM337IMP
National Semiconductor Corporation
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Datasheet
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LM337IMP
National Semiconductor Corporation
IC VREG 1.2 V-37 V ADJUSTABLE NEGATIVE REGULATOR, PDSO4, SOT-223, 3 PIN, Adjustable Negative Single Output Standard Regulator
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | SOT-223, 3 PIN | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| 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-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 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.2 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) | 40 | |
| 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM337IMP/NOPB | Texas Instruments | $1.5669 | 1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125 | LM337IMP vs LM337IMP/NOPB |
| LM337IMPX | Texas Instruments | Check for Price | 1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125 | LM337IMP vs LM337IMPX |
| LM337IMP | Texas Instruments | $1.1911 | 1.5-A, negative, adjustable linear voltage regulator 4-SOT-223 -40 to 125 | LM337IMP vs LM337IMP |
LM337IMP Frequently Asked Questions (FAQ)
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The maximum input voltage for the LM337IMP is 40V. Exceeding this voltage can cause damage to the device.
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To ensure a stable output voltage, make sure to use a minimum of 10uF capacitor at the output and a 0.1uF capacitor at the input. Also, ensure that the input voltage is at least 2V higher than the desired output voltage.
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The LM337IMP requires a minimum load current of 5mA to regulate properly. If the load current is less than 5mA, the output voltage may not be regulated accurately.
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The LM337IMP is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to use a heat sink and ensure good airflow to keep the device within its operating temperature range.
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To protect the LM337IMP from input voltage transients, use a transient voltage suppressor (TVS) diode or a zener diode in parallel with the input capacitor. This will help absorb voltage spikes and prevent damage to the device.