| Part Number | TL494CNG | TL494CDG | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Output Type | Transistor Driver | Transistor Driver | 
| Function | Step-Down, Step-Up/Step-Down | Step-Down, Step-Up/Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck, Push-Pull | Buck, Push-Pull | 
| Number of Outputs | 2 | 2 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 7V ~ 40V | 7V ~ 40V | 
| Frequency - Switching | 200kHz | 200kHz | 
| Duty Cycle (Max) | 48% | 48% | 
| Synchronous Rectifier | Yes | Yes | 
| 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 | Through Hole | Surface Mount | 
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-PDIP | 16-SOIC |