| Part Number | UC3874N-1 | UC3874N-2 |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 1 | 1 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 9V ~ 36V | 4.4V ~ 36V |
| Frequency - Switching | Up to 300kHz | Up to 300kHz |
| Duty Cycle (Max) | 100% | 100% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Soft Start | Soft Start |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 18-DIP (0.300", 7.62mm) | 18-DIP (0.300", 7.62mm) |
| Supplier Device Package | 18-PDIP | 18-PDIP |