Part Details for VIPER318LDTR by STMicroelectronics
Results Overview of VIPER318LDTR by STMicroelectronics
- Distributor Offerings: (12 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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VIPER318LDTR Information
VIPER318LDTR 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 VIPER318LDTR
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
82AH9436
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Newark | Ac/Dc Converter, 19W, -40 To 150Deg C, |Stmicroelectronics VIPER318LDTR RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 0 |
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$1.8800 / $3.6200 | Buy Now |
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DISTI #
82AH9436RL
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Newark | Ac/Dc Converter, 19W, -40 To 150Deg C, |Stmicroelectronics VIPER318LDTR RoHS: Compliant Min Qty: 100 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
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$1.8800 / $2.2300 | Buy Now |
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DISTI #
497-VIPER318LDTR-ND
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DigiKey | IC OFFLINE SWITCH MULT TOP 16SO Min Qty: 2500 Container: Tape & Reel |
1556 Tape & Reel |
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$1.9587 / $1.9965 | Buy Now |
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DISTI #
497-VIPER318LDCT-ND
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DigiKey | IC OFFLINE SWITCH MULT TOP 16SO Min Qty: 1 Container: Cut Tape |
1556 Cut Tape |
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$2.1708 / $3.7100 | Buy Now |
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DISTI #
497-VIPER318LDDKR-ND
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DigiKey | IC OFFLINE SWITCH MULT TOP 16SO Min Qty: 1 Container: Digi-Reel |
1556 Digi-Reel® |
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$2.1708 / $3.7100 | Buy Now |
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DISTI #
93267802
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Verical | AC to DC Switching Converter Boost/Buck/Flyback 4.25V 145kHz T/R 16-Pin SO N RoHS: Compliant Min Qty: 1 Package Multiple: 1 | Americas - 4780 |
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$1.7300 / $3.2145 | Buy Now |
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DISTI #
87769019
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Verical | AC to DC Switching Converter Boost/Buck/Flyback 4.25V 145kHz T/R 16-Pin SO N RoHS: Compliant Min Qty: 2500 Package Multiple: 2500 Date Code: 2432 | Americas - 2500 |
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$2.9844 | Buy Now |
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DISTI #
511-VIPER318LDTR
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Mouser Electronics | AC/DC Converters Energy Saving Off-line High Voltage Converter RoHS: Compliant | 2094 |
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$1.9700 / $3.6900 | Buy Now |
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STMicroelectronics | Energy Saving Off-line High Voltage Converter COO: Italy Min Qty: 1 | 2094 |
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$2.1600 / $3.7100 | Buy Now |
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Future Electronics | VIPER31 Series 850 mA 60 kHz Off-line High Voltage Converter - SOIC-16N RoHS: Compliant pbFree: Yes Min Qty: 2500 Package Multiple: 2500 Container: Reel | 0Reel |
|
$2.2600 | Buy Now |
US Tariff Estimator: VIPER318LDTR 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.
VIPER318LDTR CAD Models
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VIPER318LDTR Part Data Attributes
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VIPER318LDTR
STMicroelectronics
Buy Now
Datasheet
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VIPER318LDTR
STMicroelectronics
Switching Regulator, Current-mode, 66kHz Switching Freq-Max, PDSO16
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Sop-16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 18 Weeks | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Current-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 30 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 9 V | |
| JESD-30 Code | R-PDSO-G16 | |
| Length | 9.9 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Voltage-Nom | 15 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max (Isup) | 2 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 | |
| Width | 3.9 Mm |
VIPER318LDTR 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 specific application requirements, such as output voltage, current, and power rating. STMicroelectronics provides a transformer selection guide in the datasheet, and also recommends consulting with a transformer manufacturer to ensure compatibility and optimal performance.
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The VIPER318LDTR 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 datasheet provides thermal resistance and junction-to-ambient temperature ratings to aid in thermal design.
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The VIPER318LDTR has a built-in OVP feature, but it can be adjusted or customized using external components. Engineers can use a voltage divider network to sense the output voltage and trigger an OVP event when the voltage exceeds a certain threshold. The application note AN4571 provides more details on implementing OVP with VIPER318LDTR.
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The VIPER318LDTR is designed to meet EMC standards, but engineers should still consider EMI filtering, shielding, and layout techniques to minimize radiated emissions and ensure compliance with relevant regulations. STMicroelectronics provides EMC guidelines and test reports in the datasheet and application notes.