| PartNumber | VIPER28HDTR | VIPER28HD |
| Description | AC/DC Converters Offline high voltage converters | AC/DC Converters 800V 115kHz Off-Line 50mW at 265Vac |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | AC/DC Converters | AC/DC Converters |
| 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 | 20 W | 20 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 | 2.5 mA | 2.5 mA |
| Minimum Operating Temperature | - 25 C | - 25 C |
| Maximum Operating Temperature | + 125 C | + 125 C |
| Output Current | 1.2 A | 1.2 A |
| Series | VIPER28 | VIPER28 |
| Packaging | Reel | Tube |
| Isolation | Isolated | Isolated |
| Number of Outputs | 1 Output | 1 Output |
| 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 | 0.023492 oz | 0.023492 oz |