| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER12ASTR-E | STMicroelectronics | $0.9232 | Switching Regulator, Current-mode, 0.48A, 66kHz Switching Freq-Max, PDSO8 | VIPER12AS13TR vs VIPER12ASTR-E |
Part Details for VIPER12AS13TR by STMicroelectronics
Results Overview of VIPER12AS13TR by STMicroelectronics
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- CAD Models: (Request Part)
- 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.
VIPER12AS13TR Information
VIPER12AS13TR by STMicroelectronics is a Switching Regulator or Controller.
Switching Regulator or Controllers 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 VIPER12AS13TR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Quest Components | IC,SMPS CONTROLLER,CURRENT-MODE,MOS,SOP,8PIN,PLASTIC | 36 |
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$4.8000 / $7.2000 | Buy Now |
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Chip Stock | Switching Regulator, Current-mode, 0.48A, 66kHz Switching Freq-Max, MOS, PDSO8 | 330740 |
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RFQ | |
|
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Win Source Electronics | LOW POWER OFF LINE SMPS PRIMARY SWITCHER | 318240 |
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$0.2732 / $0.3529 | Buy Now |
US Tariff Estimator: VIPER12AS13TR by STMicroelectronics
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.
VIPER12AS13TR Part Data Attributes
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VIPER12AS13TR
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER12AS13TR
STMicroelectronics
Switching Regulator, Current-mode, 0.48A, 66kHz Switching Freq-Max, MOS, PDSO8
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| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | So-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 38 V | |
| Input Voltage-Min | 9 V | |
| Input Voltage-Nom | 18 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| Length | 4.9 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.48 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max (Isup) | 5 Ma | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 66 Khz | |
| Technology | Mos | |
| Terminal Finish | Tin Lead | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Width | 3.9 Mm |
Alternate Parts for VIPER12AS13TR
This table gives cross-reference parts and alternative options found for VIPER12AS13TR. 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 VIPER12AS13TR, 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.
VIPER12AS13TR Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
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The transformer selection depends on the input voltage, output voltage, and power rating. STMicroelectronics provides a transformer selection guide in the datasheet, and engineers can also use online tools, such as the STMicroelectronics Transformer Selector, to find a suitable transformer.
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The VIPER12AS13TR has a high power density, and thermal management is crucial. Engineers should ensure good airflow, use a heat sink if necessary, and follow the thermal design guidelines in the datasheet to keep the junction temperature below 150°C.
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The VIPER12AS13TR has built-in OVP and UVP features, but engineers can also implement external protection circuits using resistors, zener diodes, and comparators. The application note AN4571 provides examples of OVP and UVP circuits.
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The VIPER12AS13TR is a switching converter, and EMI filtering is essential to meet regulatory requirements. Engineers should use a combination of input and output filters, such as LC filters, to reduce EMI emissions. The application note AN4571 provides guidance on EMI filtering.