Part Details for VIPER38HD by STMicroelectronics
Results Overview of VIPER38HD by STMicroelectronics
- Distributor Offerings: (7 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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VIPER38HD Information
VIPER38HD 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 VIPER38HD
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
497-VIPER38HD-ND
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DigiKey | IC OFFLINE SWITCH FLYBACK 16SO Min Qty: 1 Container: Tube |
1335 Tube |
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$0.5833 / $1.2400 | Buy Now |
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DISTI #
87776598
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Verical | AC to DC Switching Converter Flyback 127kHz Tube 16-Pin SO N RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Date Code: 2346 | Americas - 2000 |
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$0.4564 | Buy Now |
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DISTI #
511-VIPER38HD
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Mouser Electronics | AC/DC Converters VIPerPlus family: Peak power fixed frequency high voltage converter RoHS: Compliant | 1381 |
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$0.5860 / $1.2400 | Buy Now |
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STMicroelectronics | VIPerPlus family: Peak power fixed frequency high voltage converter COO: Italy Min Qty: 1 | 1381 |
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$0.6500 / $1.2400 | Buy Now |
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Future Electronics | VIPER38 Series 23.5 V 80% 127 kHz Peak Power High-Voltage Converter - SO-16 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 50 Container: Tube | 0Tube |
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$0.6600 / $0.7300 | Buy Now |
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Future Electronics | VIPER38 Series 23.5 V 80% 127 kHz Peak Power High-Voltage Converter - SO-16 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 50 Container: Tube | 0Tube |
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$0.6600 / $0.7300 | Buy Now |
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DISTI #
VIPER38HD
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TME | IC: driver, flyback, SO16, 800V, Uin: 8.5÷23.5V, 115kHz Min Qty: 50 | 0 |
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$0.7900 / $0.9600 | RFQ |
US Tariff Estimator: VIPER38HD 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.
VIPER38HD CAD Models
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VIPER38HD Part Data Attributes
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VIPER38HD
STMicroelectronics
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Datasheet
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VIPER38HD
STMicroelectronics
Switching Controller, Current-mode, 127kHz 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 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 | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max (Isup) | 3.5 Ma | |
| Surface Mount | Yes | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 127 Khz | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Width | 3.9 Mm |
VIPER38HD Frequently Asked Questions (FAQ)
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STMicroelectronics provides a recommended PCB layout in the VIPER38HD evaluation board user manual (UM2176). It's essential to follow this layout to ensure optimal performance, especially for the high-frequency switching nodes.
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The transformer selection depends on the input voltage, output voltage, and power rating of your application. STMicroelectronics provides a transformer selection guide in the VIPER38HD datasheet (Section 10.2). You can also use online transformer selection tools or consult with a transformer manufacturer.
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Although the datasheet specifies a maximum VCC voltage of 28V, it's recommended to limit it to 25V to ensure reliable operation and prevent damage to the internal voltage regulator.
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You can implement OVP and UVP using external components, such as voltage supervisors (e.g., STMicroelectronics' STM6627) or discrete components (e.g., zener diodes and resistors). The VIPER38HD datasheet provides guidelines for OVP and UVP implementation (Section 10.3).
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A low-ESR ceramic capacitor (e.g., X7R or X5R) with a value between 1uF and 10uF is recommended for the input capacitor (CIN). This helps to filter out high-frequency noise and ensure stable operation.