Part Details for L79L12ACZTR by STMicroelectronics
Results Overview of L79L12ACZTR by STMicroelectronics
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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L79L12ACZTR Information
L79L12ACZTR 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 L79L12ACZTR
| Part # | Distributor | Description | Stock | Price | Buy | |
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ComSIT USA | Electronic Component RoHS: Compliant |
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RFQ |
Part Details for L79L12ACZTR
L79L12ACZTR CAD Models
L79L12ACZTR Part Data Attributes
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L79L12ACZTR
STMicroelectronics
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Datasheet
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L79L12ACZTR
STMicroelectronics
12V FIXED NEGATIVE REGULATOR, BCY3, LEAD FREE, TO-92, 3 PIN
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | TO-92 | |
| Package Description | TO-92, SIP3,.1,50 | |
| Pin Count | 3 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Adjustability | FIXED | |
| Dropout Voltage1-Nom | 1.7 V | |
| Input Voltage Absolute-Max | 35 V | |
| Input Voltage-Max | 27 V | |
| Input Voltage-Min | 14.5 V | |
| JESD-30 Code | O-XBCY-T3 | |
| JESD-609 Code | e3 | |
| Line Regulation-Max | 0.25% | |
| Load Regulation-Max | 0.1% | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Output Current1-Max | 0.1 A | |
| Output Voltage1-Max | 12.6 V | |
| Output Voltage1-Min | 11.4 V | |
| Output Voltage1-Nom | 12 V | |
| Package Body Material | UNSPECIFIED | |
| Package Code | TO-92 | |
| Package Equivalence Code | SIP3,.1,50 | |
| Package Shape | ROUND | |
| Package Style | CYLINDRICAL | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR | |
| Surface Mount | NO | |
| Technology | BIPOLAR | |
| Terminal Finish | Matte Tin (Sn) - annealed | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | BOTTOM | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Voltage Tolerance-Max | 5% |
L79L12ACZTR Frequently Asked Questions (FAQ)
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A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 2-layer or 4-layer PCB with a solid ground plane is recommended. Avoid placing thermal vias under the device, and keep the thermal pad clear of any components or traces.
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To ensure stable output voltage regulation, ensure that the input voltage is within the recommended range, and that the output capacitor is of sufficient value and type (e.g., X5R or X7R ceramic capacitor). Also, ensure that the feedback resistors are of high precision and low tolerance, and that the feedback network is properly compensated.
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The maximum allowed input voltage ripple for the L79L12ACZ-TR is typically 10% of the input voltage. Exceeding this limit may affect the device's performance and stability.
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The L79L12ACZ-TR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. Ensure that the device is properly heat-sinked and that the operating temperature is within the recommended range.
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To protect the device from overcurrent and overheating, use a current-limiting resistor or a fuse in series with the input, and ensure that the device is properly heat-sinked. Also, consider using a thermal monitoring circuit to detect overheating and shut down the device if necessary.