| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER35LE | STMicroelectronics | Check for Price | Switching Controller, Current/voltage-mode, 1.05A, 150kHz Switching Freq-Max, PDIP10 | VIPER35LD vs VIPER35LE |
Part Details for VIPER35LD by STMicroelectronics
Results Overview of VIPER35LD by STMicroelectronics
- Distributor Offerings: (11 listings)
- Number of FFF Equivalents: (0 replacements)
- 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
Internet of Things (IoT)
VIPER35LD Information
VIPER35LD 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 VIPER35LD
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
96Y9832
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Newark | Ac/Dc Conv, Flyback, Nsoic-16, |Stmicroelectronics VIPER35LD RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 0 |
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$1.5200 / $2.7200 | Buy Now |
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DISTI #
497-16075-5-ND
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DigiKey | IC OFFLINE SWITCH FLYBACK 16SO Min Qty: 1 Container: Tube |
2014 Tube |
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$1.5682 / $3.0300 | Buy Now |
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DISTI #
511-VIPER35LD
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Mouser Electronics | AC/DC Converters VIPerPlus family: Quasi-resonant high performance off line high voltage converte RoHS: Compliant | 2583 |
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$1.5000 / $2.9600 | Buy Now |
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STMicroelectronics | VIPerPlus family: Quasi-resonant high performance off line high voltage converter COO: Italy Min Qty: 1 | 2583 |
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$1.6400 / $2.9600 | Buy Now |
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Future Electronics | VIPer35 Series 23.5 V 150 kHz High Performance Off Line High Voltage Converter RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 50 Container: Tube | 0Tube |
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$1.8000 / $1.8900 | Buy Now |
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Future Electronics | VIPer35 Series 23.5 V 150 kHz High Performance Off Line High Voltage Converter RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 50 Container: Tube | 0Tube |
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$1.8000 / $1.8900 | Buy Now |
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DISTI #
VIPER35LD
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Avnet Americas | Current Mode PWM Controller 16-Pin SOIC Tube - Rail/Tube (Alt: VIPER35LD) COO: Thailand RoHS: Compliant Min Qty: 1000 Package Multiple: 50 Lead time: 29 Weeks, 2 Days Container: Tube | 0 |
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$1.3574 / $1.4319 | Buy Now |
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Bristol Electronics | AC to DC Switching Converter Flyback 150kHz Tube 16-Pin SO N Min Qty: 1 | 200 |
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$0.6427 / $1.7370 | Buy Now |
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|
Quest Components | 160 |
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$0.6948 / $2.3160 | Buy Now | |
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Quest Components | 160 |
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$1.0400 / $2.0800 | Buy Now |
US Tariff Estimator: VIPER35LD 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.
VIPER35LD CAD Models
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VIPER35LD Part Data Attributes
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VIPER35LD
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER35LD
STMicroelectronics
Switching Controller, Current/voltage-mode, 1A, 150kHz Switching Freq-Max, PDSO16
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | So-16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 18 Weeks | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current/Voltage-Mode | |
| Control Technique | Pulse Width Modulation | |
| 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 | 1 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) | 25 Ma | |
| Surface Mount | Yes | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 150 Khz | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Width | 3.9 Mm |
Alternate Parts for VIPER35LD
This table gives cross-reference parts and alternative options found for VIPER35LD. 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 VIPER35LD, 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.
VIPER35LD 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 VIPER35LD 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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Follow the layout and routing guidelines in the datasheet and application notes to minimize EMI. Use shielding, filtering, and grounding techniques to reduce electromagnetic radiation. Also, ensure that your design meets the relevant EMC standards and regulations.
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The VIPER35LD is a robust device with a high reliability rating. The expected lifetime is typically in the range of 10 to 20 years, depending on the operating conditions, quality of the PCB, and component selection. Follow the recommended operating conditions and storage guidelines to ensure maximum reliability.