Part Details for VIPER37LE by STMicroelectronics
Results Overview of VIPER37LE by STMicroelectronics
- Distributor Offerings: (8 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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VIPER37LE Information
VIPER37LE 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 VIPER37LE
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
497-12925-ND
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DigiKey | IC OFFLINE SWITCH FLYBACK 10DIP Min Qty: 1 Container: Tube |
1285 Tube |
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$0.8391 / $1.7100 | Buy Now |
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DISTI #
511-VIPER37LE
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Mouser Electronics | AC/DC Converters ViperPlus Fixed Freq 800V 30mQ 265 Vac RoHS: Compliant | 3324 |
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$0.7970 / $1.7100 | Buy Now |
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Bristol Electronics | AC to DC Switching Converter Flyback 66kHz Tube 10-Pin SDIP | 48 |
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RFQ | |
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Quest Components | SWITCHING REGULATOR, CURRENT-MODE, 66KHZ SWITCHING FREQ-MAX, PDIP10 | 38 |
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$2.2000 / $3.3000 | Buy Now |
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DISTI #
VIPER37LE
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TME | IC: driver, flyback, PWM controller, DIP10, 3A, 800V, Ch: 1, 54÷66kHz Min Qty: 1 | 129 |
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$0.7200 / $0.8300 | Buy Now |
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ComSIT USA | Switching Regulator, Current-mode, 66kHz Switching Freq-Max, PDIP10 ECCN: EAR99 RoHS: Not Compliant |
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RFQ | |
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Chip Stock | 2861 |
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RFQ | ||
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Win Source Electronics | AC to DC Switching Converter Flyback 66kHz Tube 10-Pin SDIP / VIPerPlus family: fixed frequency offline converter | 3871 |
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$1.0480 / $1.5720 | Buy Now |
US Tariff Estimator: VIPER37LE 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.
VIPER37LE CAD Models
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VIPER37LE Part Data Attributes
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VIPER37LE
STMicroelectronics
Buy Now
Datasheet
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VIPER37LE
STMicroelectronics
Switching Regulator, Current-mode, 66kHz Switching Freq-Max, PDIP10
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Package Description | Dip-10 | |
| 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 | 23.5 V | |
| Input Voltage-Min | 8.5 V | |
| Input Voltage-Nom | 14 V | |
| JESD-30 Code | R-PDIP-T10 | |
| JESD-609 Code | e3 | |
| Length | 9.59 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 10 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | 25 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SDIP | |
| Package Equivalence Code | SDIP10,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line, Shrink Pitch | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.33 Mm | |
| Supply Current-Max (Isup) | 3.5 Ma | |
| Surface Mount | No | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 66 Khz | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 1.78 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified | |
| Width | 6.605 Mm |
VIPER37LE 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, routing, and thermal management to ensure optimal performance and reliability.
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The transformer selection depends on the input voltage, output voltage, and power rating of the design. STMicroelectronics provides a transformer selection guide in the datasheet, and also recommends using a transformer with a turns ratio of 1:1.2 to 1:1.5 for optimal performance.
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The maximum ambient temperature for reliable operation of VIPER37LE is 85°C, but it can be derated to 70°C for high-reliability applications. It's essential to ensure proper thermal management and heat sinking to maintain a safe operating temperature.
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To ensure EMC compliance, follow the layout and routing guidelines in the application note AN4571, use a shielded transformer, and add EMI filters and shielding to the PCB design. Additionally, ensure that the design meets the relevant EMC standards and regulations.
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The recommended input capacitor value is 1-2.2 μF, and the type should be a low-ESR ceramic or film capacitor. The capacitor should be placed close to the VIN pin and have a low impedance path to the input voltage source.