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| Part Number | VIPER318LDTR | VIPER318XDTR | VIPER319LDTR | VIPER38LDTR | VIPER317LDTR | VIPER318HDTR |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active | Active | Active | Active | Active |
| Output Isolation | Non-Isolated | Non-Isolated | Non-Isolated | Isolated | Non-Isolated | Non-Isolated |
| Internal Switch(s) | Yes | Yes | Yes | Yes | Yes | Yes |
| Voltage - Breakdown | 800V | 800V | 800V | 800V | 800V | 800V |
| Topology | Boost, Buck, Buck-Boost, Flyback | Boost, Buck, Buck-Boost, Flyback | Boost, Buck, Buck-Boost, Flyback | Flyback | Boost, Buck, Buck-Boost, Flyback | Boost, Buck, Buck-Boost, Flyback |
| Voltage - Start Up | 8 V | 8 V | 8 V | 14 V | 8 V | 8 V |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 30V | 4.5V ~ 30V | 4.5V ~ 30V | 8.5V ~ 23.5V | 4.5V ~ 30V | 4.5V ~ 30V |
| Duty Cycle | - | - | - | 80% | - | - |
| Frequency - Switching | 132kHz | 30kHz | 60kHz | 60kHz | 60kHz | 132kHz |
| Power (Watts) | 1 W | 1 W | 1 W | 20 W | 1 W | 1 W |
| Fault Protection | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit |
| Control Features | Soft Start | Soft Start | Soft Start | - | Soft Start | Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SO | 16-SO | 16-SO | 16-SO | 16-SO | 16-SO |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
