Part Details for L4979D by STMicroelectronics
Results Overview of L4979D by STMicroelectronics
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 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.
Applications
Energy and Power Systems
Transportation and Logistics
Renewable Energy
Automotive
L4979D Information
L4979D by STMicroelectronics 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 L4979D
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
L4979D-ND
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DigiKey | IC REG LINEAR 5V 150MA 8-SOIC Lead time: 42 Weeks Container: Tube | Temporarily Out of Stock |
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Buy Now | |
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DISTI #
L4979D
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EBV Elektronik | LDO Regulator Pos 5V 03A 8Pin SO N Tube (Alt: L4979D) RoHS: Compliant Min Qty: 100 Package Multiple: 100 Lead time: 143 Weeks, 0 Days | EBV - 0 |
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Buy Now |
Part Details for L4979D
L4979D CAD Models
L4979D Part Data Attributes
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L4979D
STMicroelectronics
Buy Now
Datasheet
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L4979D
STMicroelectronics
Low drop voltage regulator
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | SOIC | |
| Package Description | SO-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | STMicroelectronics | |
| Adjustability | FIXED | |
| Dropout Voltage1-Max | 0.4 V | |
| Dropout Voltage1-Nom | 0.2 V | |
| Input Voltage Absolute-Max | 40 V | |
| Input Voltage-Max | 31 V | |
| Input Voltage-Min | 5.6 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e4 | |
| Length | 4.9 mm | |
| Line Regulation-Max | 0.025% | |
| Load Regulation-Max | 0.025% | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature TJ-Max | 150 °C | |
| Operating Temperature TJ-Min | -40 °C | |
| Output Current1-Max | 0.15 A | |
| Output Voltage1-Max | 5.1 V | |
| Output Voltage1-Min | 4.9 V | |
| Output Voltage1-Nom | 5 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 1.75 mm | |
| Surface Mount | YES | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tolerance-Max | 2% | |
| Width | 3.9 mm |
Alternate Parts for L4979D
This table gives cross-reference parts and alternative options found for L4979D. 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 L4979D, 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 |
|---|---|---|---|---|
| L4979D13TR | STMicroelectronics | Check for Price | 5V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO8, SO-8 | L4979D vs L4979D13TR |
L4979D Frequently Asked Questions (FAQ)
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The L4979D can handle input voltages up to 40V, but it's recommended to keep it below 30V for optimal performance and reliability.
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Choose an output capacitor with a value between 10uF to 100uF, and a voltage rating of at least 10V. A low ESR (Equivalent Series Resistance) capacitor is recommended for stability and noise reduction.
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The L4979D is rated for operation up to 150°C, but its performance and reliability may degrade at high temperatures. Ensure proper heat sinking and thermal management to maintain a safe operating temperature.
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Use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit to protect the L4979D from input voltage surges and spikes. This will help prevent damage to the regulator and ensure reliable operation.
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Yes, the L4979D can be used in switching power supply designs, but ensure that the input voltage is properly filtered and regulated to prevent noise and ripple from affecting the regulator's performance.