| PartNumber | VIPER28HDTR | VIPER28HD | VIPER28HE |
| Description | AC/DC Converters Offline high voltage converters | AC/DC Converters 800V 115kHz Off-Line 50mW at 265Vac | IC OFFLINE CONV PWM 800V 10-SDIP |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | AC/DC Converters | AC/DC Converters | PMIC - AC DC Converters, Offline Switchers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | SOIC-16 Narrow | SOIC-16 Narrow | - |
| Output Voltage | 800 V | 800 V | 800 V |
| Output Power | 20 W | 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 | Flyback |
| Switching Frequency | 115 kHz | 115 kHz | 115 kHz |
| Duty Cycle Max | 80 % | 80 % | - |
| Operating Supply Current | 2.5 mA | 2.5 mA | 2.5 mA |
| Minimum Operating Temperature | - 25 C | - 25 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Output Current | 1.2 A | 1.2 A | 1.2 A |
| Series | VIPER28 | VIPER28 | VIPer plus |
| Packaging | Reel | Tube | Tube |
| Isolation | Isolated | Isolated | Isolated |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Type | Off Line Converter | Off Line Converter | Off Line High Voltage 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 | - |
| Operating Temperature Range | - | - | - 25 C to + 125 C |
| Package Case | - | - | SDIP-10 |
| Operating Temperature | - | - | -40°C ~ 150°C (TJ) |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | 10-SDIP |
| Power Watts | - | - | 16W |
| Output Isolation | - | - | Isolated |
| Internal Switch s | - | - | Yes |
| Voltage Breakdown | - | - | 800V |
| Voltage Start Up | - | - | 14V |
| Voltage Supply Vcc Vdd | - | - | 8.5 V ~ 23.5 V |
| Duty Cycle | - | - | 80% |
| Frequency Switching | - | - | 115kHz |
| Fault Protection | - | - | Current Limiting, Over Temperature, Over Voltage, Short Circuit |
| Control Features | - | - | - |
| Duty Cycle Max | - | - | 80 % |
| Input Supply Voltage Min | - | - | 8.5 V |
| Input Supply Voltage Max | - | - | 23.5 V |