Part Details for VIPER37LDTR by STMicroelectronics
Results Overview of VIPER37LDTR by STMicroelectronics
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (4 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.
VIPER37LDTR Information
VIPER37LDTR 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 VIPER37LDTR
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
98Y2521
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Newark | Ac/Dc Conv, Flyback, Nsoic-16, Input Voltage Ac Min:8.5V, Input Voltage Ac Max:23.5V, Ac/Dc Converter Case Style:Nsoic, No. Of Pins:16Pins, Power Rating:1.5W, Topology:Flyback, Operating Temperature Min:-40°C, Operating Temperaturerohs Compliant: Yes |Stmicroelectronics VIPER37LDTR RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Cut Tape | 0 |
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$0.6270 / $1.2400 | Buy Now |
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DISTI #
VIPER37LDTR
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Avnet Americas | Current Mode PWM Controller 16-Pin SOIC T/R - Tape and Reel (Alt: VIPER37LDTR) COO: Thailand RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 18 Weeks, 0 Days Container: Reel | 0 |
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$0.5577 / $0.6141 | Buy Now |
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STMicroelectronics | VIPerPlus family: Fixed frequency 15W high performance off line high voltage converter COO: Thailand RoHS: Compliant Min Qty: 1 | 2489 |
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$0.6400 / $1.2200 | Buy Now |
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DISTI #
VIPER37LDTR
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Avnet Silica | Current Mode PWM Controller 16Pin SOIC TR (Alt: VIPER37LDTR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 17 Weeks, 0 Days | Silica - 0 |
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Buy Now | |
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Chip Stock | VIPER37Series23.5V66kHzfixedFrequencyOfflineConverter-SOIC-16 | 3300 |
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RFQ | |
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DISTI #
VIPER37LDTR
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EBV Elektronik | Current Mode PWM Controller 16Pin SOIC TR (Alt: VIPER37LDTR) RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Lead time: 20 Weeks, 0 Days | EBV - 0 |
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Buy Now |
US Tariff Estimator: VIPER37LDTR 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.
Part Details for VIPER37LDTR
VIPER37LDTR CAD Models
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VIPER37LDTR Part Data Attributes
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VIPER37LDTR
STMicroelectronics
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Datasheet
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VIPER37LDTR
STMicroelectronics
VIPerPlus family: Fixed frequency 15W high performance off line high voltage converter
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Package Description | SOP-16 | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 18 Weeks | |
| Samacsys Manufacturer | STMicroelectronics | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| 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 | |
| Length | 9.9 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -25 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Seated Height-Max | 1.75 mm | |
| Supply Current-Max (Isup) | 3.5 mA | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK-BOOST | |
| Switching Frequency-Max | 66 kHz | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Width | 3.9 mm |
Alternate Parts for VIPER37LDTR
This table gives cross-reference parts and alternative options found for VIPER37LDTR. 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 VIPER37LDTR, 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.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER37LD | STMicroelectronics | $0.6021 | VIPerPlus family: Fixed frequency 15W high performance off line high voltage converter | VIPER37LDTR vs VIPER37LD |
| VIPER50ASP-E | STMicroelectronics | Check for Price | Fixed frequency off line converter | VIPER37LDTR vs VIPER50ASP-E |
| VIPER50ASP-E13TR | STMicroelectronics | Check for Price | 2.7A SWITCHING REGULATOR, 200kHz SWITCHING FREQ-MAX, PDSO10, LEAD FREE, POWER, SOP-10 | VIPER37LDTR vs VIPER50ASP-E13TR |
| VIPER50A(022Y) | STMicroelectronics | Check for Price | 2.7A SWITCHING REGULATOR, 200kHz SWITCHING FREQ-MAX, PZFM5, PENTAWATT HV-5 | VIPER37LDTR vs VIPER50A(022Y) |
VIPER37LDTR Frequently Asked Questions (FAQ)
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A good PCB layout for VIPER37LDTR involves keeping the high-frequency switching nodes (e.g., drain and source of the power MOSFET) as close as possible to the IC, using a solid ground plane, and minimizing the length of the traces carrying high-frequency signals.
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To ensure the VIPER37LDTR operates within its SOA, monitor the IC's junction temperature, output current, and input voltage. Ensure the IC is properly heatsinked, and the output current is within the recommended range. Also, avoid operating the IC at high temperatures or with high input voltages for extended periods.
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When selecting a transformer for use with VIPER37LDTR, consider the transformer's turns ratio, inductance, and core material. Ensure the transformer is designed for the specific output voltage and current requirements of your application. Also, consider the transformer's power handling capability, leakage inductance, and magnetizing inductance.
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To troubleshoot issues with the VIPER37LDTR, start by verifying the PCB layout and component selection. Check for proper decoupling, filtering, and grounding. Use an oscilloscope to monitor the IC's input and output signals, and look for signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and debugging techniques.
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The VIPER37LDTR is a high-voltage, high-current offline switcher IC with a built-in power MOSFET. It differs from other similar ICs in its high voltage rating (up to 1375 V), high current capability (up to 0.5 A), and integrated power MOSFET. It is designed for high-power, high-voltage applications such as offline power supplies and LED drivers.