| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER27HDTR | STMicroelectronics | $0.6451 | Switching Controller, Current-mode, 0.74A, 115kHz Switching Freq-Max, PDSO16 | VIPER27HD vs VIPER27HDTR |
Part Details for VIPER27HD by STMicroelectronics
Results Overview of VIPER27HD by STMicroelectronics
- Distributor Offerings: (19 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.
VIPER27HD Information
VIPER27HD 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 VIPER27HD
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
497-14812-5-ND
|
DigiKey | IC OFFLINE SWITCH FLYBACK 16SO Min Qty: 1 Container: Tube |
951 Tube |
|
$1.5932 / $3.0700 | Buy Now |
|
DISTI #
76442151
|
Verical | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Date Code: 2342 | Americas - 2000 |
|
$1.4010 | Buy Now |
|
DISTI #
86920973
|
Verical | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 2419 | Americas - 1485 |
|
$1.4231 / $1.6337 | Buy Now |
|
DISTI #
511-VIPER27HD
|
Mouser Electronics | AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter RoHS: Compliant | 0 |
|
$1.6800 | Order Now |
|
DISTI #
V36:1790_06568521
|
Arrow Electronics | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N COO: Thailand RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 99 Weeks Date Code: 2342 | Americas - 2500 |
|
$1.4010 | Buy Now |
|
DISTI #
E02:0323_01815140
|
Arrow Electronics | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 28 Weeks Date Code: 2419 | Europe - 1486 |
|
$1.4109 / $1.6198 | Buy Now |
|
DISTI #
V36:1790_06568521
|
Arrow Electronics | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N COO: Thailand RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 99 Weeks Date Code: 2342 | Americas - 2500 |
|
$1.4010 | Buy Now |
|
DISTI #
E02:0323_01815140
|
Arrow Electronics | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 28 Weeks Date Code: 2419 | Europe - 1486 |
|
$1.4109 / $1.6198 | Buy Now |
|
DISTI #
76442151
|
Verical | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N COO: Thailand RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Date Code: 2342 | Americas - 2000 |
|
$1.4010 | Buy Now |
|
DISTI #
86920973
|
Verical | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 2419 | Americas - 1485 |
|
$1.4231 / $1.6337 | Buy Now |
US Tariff Estimator: VIPER27HD 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.
VIPER27HD CAD Models
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VIPER27HD Part Data Attributes
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VIPER27HD
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER27HD
STMicroelectronics
Switching Controller, Current-mode, 0.74A, 115kHz Switching Freq-Max, PDSO16
|
| 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 | 0.74 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.4 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Surface Mount | Yes | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 115 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 VIPER27HD
This table gives cross-reference parts and alternative options found for VIPER27HD. 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 VIPER27HD, 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.
VIPER27HD Frequently Asked Questions (FAQ)
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STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage power supply. The layout should also minimize the loop area of the high-frequency circuits to reduce EMI.
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To ensure the VIPER27HD operates within its SOA, monitor the device's junction temperature, output current, and input voltage. Use thermal management techniques, such as heat sinks or thermal interfaces, to keep the junction temperature below 150°C.
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When selecting a transformer for the VIPER27HD, consider the transformer's turns ratio, magnetizing inductance, and leakage inductance. Ensure the transformer is designed for the specific output voltage and power requirements of your application.
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To optimize the feedback loop, choose the right compensation components (R1, R2, C1, and C2) based on the application's requirements. Use the datasheet's recommended values as a starting point and adjust them as needed to achieve stable operation.
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To minimize EMI, use a common-mode choke and a differential-mode filter at the input stage. Ensure the PCB layout is optimized for EMI reduction, and consider adding shielding or a metal enclosure to the design.