| Part Number | VIPER318LDTR | VIPER38LDTR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers |
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| Product Status | Active | Active |
| Output Isolation | Non-Isolated | Isolated |
| Internal Switch(s) | Yes | Yes |
| Voltage - Breakdown | 800V | 800V |
| Topology | Boost, Buck, Buck-Boost, Flyback | Flyback |
| Voltage - Start Up | 8 V | 14 V |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 30V | 8.5V ~ 23.5V |
| Duty Cycle | - | 80% |
| Frequency - Switching | 132kHz | 60kHz |
| Power (Watts) | 1 W | 20 W |
| Fault Protection | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Temperature, Over Voltage, Short Circuit |
| Control Features | Soft Start | - |
| Operating Temperature | -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) |
| Supplier Device Package | 16-SO | 16-SO |
| Mounting Type | Surface Mount | Surface Mount |