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| Part Number | VIPER20-E | VIPER50-E | VIPER20A-E |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete |
| Output Isolation | Isolated | Isolated | Isolated |
| Internal Switch(s) | Yes | Yes | Yes |
| Voltage - Breakdown | 620V | 620V | 700V |
| Topology | Flyback | Flyback | Flyback |
| Voltage - Start Up | 11 V | 11 V | 11 V |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 15V | 8V ~ 15V | 8V ~ 15V |
| Duty Cycle | - | - | - |
| Frequency - Switching | Up to 200kHz | Up to 200kHz | Up to 200kHz |
| Power (Watts) | 20 W | 50 W | 20 W |
| Fault Protection | Current Limiting, Over Temperature | Current Limiting, Over Temperature | Current Limiting, Over Temperature |
| Control Features | - | Frequency Control, Soft Start, Sync | - |
| Operating Temperature | - | - | - |
| Package / Case | Pentawatt-5 HV (Bent and Staggered Leads) | Pentawatt-5 HV (Bent and Staggered Leads) | Pentawatt-5 HV (Bent and Staggered Leads) |
| Supplier Device Package | 5-PENTAWATT | 5-PENTAWATT | 5-PENTAWATT |
| Mounting Type | Surface Mount | Surface Mount | Through Hole |
