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| PartNumber | VIPER27HDTR | VIPER27HD | VIPER27H |
| Description | AC/DC Converters Off-Line 800V 60kHz L 115kHz H | AC/DC Converters HI VOLT CONVERTER 800 V RUGGED | |
| Manufacturer | STMicroelectronics | STMicroelectronics | ST |
| Product Category | AC/DC Converters | AC/DC Converters | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 Narrow | SOIC-16 Narrow | - |
| Output Voltage | 800 V | 800 V | - |
| Output Power | 18 W | 18 W | - |
| Input / Supply Voltage Min | 8.5 V | 8.5 V | - |
| Input / Supply Voltage Max | 23.5 V | 23.5 V | - |
| Topology | Flyback | Flyback | - |
| Switching Frequency | 115 kHz | 115 kHz | - |
| Duty Cycle Max | 80 % | 80 % | - |
| Operating Supply Current | 3.5 mA | 3.5 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | VIPER27 | VIPER27 | - |
| Packaging | Reel | Tube | - |
| Isolation | Non-Isolated | - | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Product | Voltage Converters | - | - |
| Type | Off Line Converter | Off Line Converter | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | AC/DC Converters | AC/DC Converters | - |
| Factory Pack Quantity | 2500 | 1000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.007079 oz | 0.019312 oz | - |