| Part Number | TL494CDX | TL494CDR |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Texas Instruments |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Active | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck, Push-Pull | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 1 | 2 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7V ~ 40V | 7V ~ 40V |
| Frequency - Switching | 40kHz | 1kHz ~ 300kHz |
| Duty Cycle (Max) | 48% | 45% |
| Synchronous Rectifier | Yes | No |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Dead Time Control, Frequency Control | Dead Time Control, Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC |