| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER27LDTR | STMicroelectronics | Check for Price | Switching Controller, Current-mode, 0.74A, 60kHz Switching Freq-Max, PDSO16 | VIPER27LD vs VIPER27LDTR |
Part Details for VIPER27LD by STMicroelectronics
Results Overview of VIPER27LD by STMicroelectronics
- Distributor Offerings: (7 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 options)
- 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.
VIPER27LD Information
VIPER27LD 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 VIPER27LD
| Part # | Distributor | Description | Stock | Price | Buy | |
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Future Electronics | VIPER27 Series 800 V Energy Saving Offline High Voltage Converter - SO-16 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 50 Container: Tube | 0Tube |
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$1.1000 / $1.1500 | Buy Now |
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DISTI #
511-VIPER27LD
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Mouser Electronics | AC/DC Converters VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter RoHS: Compliant | 7401 |
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$0.9160 / $1.9400 | Buy Now |
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STMicroelectronics | VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter COO: Italy Min Qty: 1 | 0 |
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$1.0600 / $1.9400 | Buy Now |
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DISTI #
VIPER27LD
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TME | IC: driver Min Qty: 50 | 0 |
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$1.1900 / $1.4800 | RFQ |
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ComSIT USA | Switching Controller, Current-mode, 0.74A, 60kHz Switching Freq-Max, PDSO16 ECCN: EAR99 RoHS: Not Compliant |
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RFQ | |
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Chip Stock | VIPerPlus family: Fixed frequency 12W high performance off line high voltage converter | 194692 |
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RFQ | |
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Win Source Electronics | Off-line high voltage converters | IC OFFLINE CONV PWM OVP 16-SOIC | 16190 |
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$1.8637 / $2.3940 | Buy Now |
US Tariff Estimator: VIPER27LD 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.
VIPER27LD CAD Models
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VIPER27LD Part Data Attributes
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VIPER27LD
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
VIPER27LD
STMicroelectronics
Switching Controller, Current-mode, 0.74A, 60kHz 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 | 0.74 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 | 60 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 VIPER27LD
This table gives cross-reference parts and alternative options found for VIPER27LD. 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 VIPER27LD, 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.
VIPER27LD Frequently Asked Questions (FAQ)
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STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and to keep the high-frequency components (e.g. transformer, diodes) close to the IC. A good layout should also ensure that the input and output stages are separated to minimize coupling.
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The transformer should be designed to match the VIPER27LD's operating frequency (typically 65 kHz) and the desired output voltage. A good starting point is to use a transformer with a turns ratio of 1:1.2 to 1:1.5, and a magnetizing inductance of at least 10 μH.
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The maximum allowed voltage on the VIN pin is 30 V, but it's recommended to keep it below 28 V to ensure reliable operation and to prevent damage to the IC.
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To ensure SOA, monitor the IC's junction temperature (TJ) and keep it below 150°C. Also, ensure that the input voltage and current are within the recommended limits, and that the output voltage is not overloaded.
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Yes, but with caution. The VIPER27LD is rated for operation up to 150°C, but its performance and reliability may degrade at high temperatures. Ensure that the IC is properly cooled, and consider using a heat sink or thermal interface material if necessary.