| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER35LD | STMicroelectronics | $1.5910 | Switching Controller, Current/voltage-mode, 1A, 150kHz Switching Freq-Max, PDSO16 | VIPER35LE vs VIPER35LD |
Part Details for VIPER35LE by STMicroelectronics
Results Overview of VIPER35LE by STMicroelectronics
- Distributor Offerings: (3 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)
VIPER35LE Information
VIPER35LE 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 VIPER35LE
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
497-16909-ND
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DigiKey | IC OFFLINE SWITCH FLYBACK 10DIP Min Qty: 2000 Container: Tube |
0 Tube |
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$0.6054 | Buy Now |
|
|
STMicroelectronics | VIPerPlus family: Quasi-resonant high performance off line high voltage converter COO: China Min Qty: 1 | 0 |
|
$0.9400 / $1.5800 | Buy Now |
|
|
Vyrian | Switching Controller, Current-mode, 1.05A, 150kHz Switching Freq-Max, PDIP10 | 13323 |
|
RFQ |
US Tariff Estimator: VIPER35LE 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.
VIPER35LE CAD Models
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VIPER35LE Part Data Attributes
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VIPER35LE
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER35LE
STMicroelectronics
Switching Controller, Current/voltage-mode, 1.05A, 150kHz Switching Freq-Max, PDIP10
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Package Description | Sdip-10 | |
| Manufacturer Package Code | SDIP 10 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | Supply Voltage From 8.5v To 23.5 V | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current/Voltage-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 23.5 V | |
| Input Voltage-Min | 8.5 V | |
| JESD-30 Code | R-PDIP-T10 | |
| Length | 9.59 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 10 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 1.05 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SDIP | |
| Package Equivalence Code | DIP10,.3,69 | |
| Package Shape | Rectangular | |
| Package Style | In-Line, Shrink Pitch | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Seated Height-Max | 5.33 Mm | |
| Supply Current-Max (Isup) | 25 Ma | |
| Supply Voltage-Nom (Vsup) | 14 V | |
| Surface Mount | No | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 150 Khz | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 1.77 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Width | 7.62 Mm |
Alternate Parts for VIPER35LE
This table gives cross-reference parts and alternative options found for VIPER35LE. 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 VIPER35LE, 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.
VIPER35LE Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the VIPER35LE 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 the VIPER35LE. STMicroelectronics provides a transformer selection guide in the VIPER35LE datasheet, and also recommends consulting with transformer manufacturers for custom designs.
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The VIPER35LE has a high power density, and thermal management is critical to ensure reliable operation. Engineers should consider using a heat sink, thermal interface material, and ensuring good airflow around the device. The junction-to-case thermal resistance (RthJC) is specified in the datasheet.
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The VIPER35LE has built-in OVP and UVP features, but engineers can also implement external protection circuits using resistors, zener diodes, and comparators. The VIPER35LE application note (AN4571) provides examples of OVP and UVP circuits.
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The VIPER35LE is designed to meet EMC standards, but engineers should still consider implementing EMI filters, shielding, and grounding techniques to minimize electromagnetic radiation and ensure compliance with regulatory requirements.