| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER28LDTR | STMicroelectronics | Check for Price | Switching Controller, Current-mode, 0.85A, 66kHz Switching Freq-Max, PDSO16 | VIPER28LD vs VIPER28LDTR |
Part Details for VIPER28LD by STMicroelectronics
Results Overview of VIPER28LD by STMicroelectronics
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- 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.
Applications
Consumer Electronics
Energy and Power Systems
Renewable Energy
VIPER28LD Information
VIPER28LD 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 VIPER28LD
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
VIPER28LD-ND
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DigiKey | IC OFFLINE SWITCH FLYBACK 16SO Min Qty: 2000 Container: Tube |
0 Tube |
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$0.5419 | Buy Now |
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DISTI #
511-VIPER28LD
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Mouser Electronics | AC/DC Converters VIPerPlus family: Peak power fixed frequency off line high voltage converter RoHS: Compliant | 607 |
|
$0.5010 / $1.1000 | Buy Now |
|
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Bristol Electronics | AC to DC Switching Converter Flyback 66kHz Tube 16-Pin SO N Min Qty: 1 | 1800 |
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$0.3504 / $1.3478 | Buy Now |
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Quest Components | SWITCHING CONTROLLER, CURRENT-MODE, 0.85A, 66KHZ SWITCHING FREQ-MAX, PDSO16 | 1440 |
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$0.4672 / $1.7970 | Buy Now |
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Quest Components | SWITCHING CONTROLLER, CURRENT-MODE, 0.85A, 66KHZ SWITCHING FREQ-MAX, PDSO16 | 1440 |
|
$0.7548 / $2.1565 | Buy Now |
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Sense Electronic Company Limited | SOP16 | 4926 |
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RFQ | |
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Vyrian | Switching Controller, Current-mode, 0.85A, 66kHz Switching Freq-Max, PDSO16 | 11784 |
|
RFQ |
US Tariff Estimator: VIPER28LD 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.
VIPER28LD CAD Models
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VIPER28LD Part Data Attributes
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VIPER28LD
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER28LD
STMicroelectronics
Switching Controller, Current-mode, 0.85A, 66kHz Switching Freq-Max, PDSO16
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Package Description | Rohs Compliant, Sop-16 | |
| Pin Count | 16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 18 Weeks | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 23.5 V | |
| Input Voltage-Min | 8.5 V | |
| Input Voltage-Nom | 14 V | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e4 | |
| Length | 9.9 Mm | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.85 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max (Isup) | 0.9 Ma | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 66 Khz | |
| 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) | 30 | |
| Width | 3.9 Mm |
Alternate Parts for VIPER28LD
This table gives cross-reference parts and alternative options found for VIPER28LD. 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 VIPER28LD, 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.
VIPER28LD 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 of your design. STMicroelectronics provides a transformer selection guide in the datasheet, and you can also use online tools or consult with a transformer manufacturer to find a suitable transformer.
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The VIPER28LD has a high power density, so thermal management is crucial. Ensure good airflow around the device, 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 VIPER28LD has built-in OVP and UVP features, but you need to add external components to configure the thresholds and hysteresis. Refer to the datasheet and application notes for guidance on implementing OVP and UVP in your design.
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The VIPER28LD is designed to minimize EMI, but you still need to follow good PCB design practices, such as using a solid ground plane, minimizing loop areas, and adding EMI filters if necessary. Consult the datasheet and application notes for more information on EMI mitigation.