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| Part Number | TL1451CNS | TL1451CNSR | TL1453CNS | TL1451ACNS | TL1451CN |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | PWM | Transistor Driver | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | - | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck, Boost, Flyback | Buck, Boost, Flyback | Boost | Buck, Boost, Flyback | Buck, Boost, Flyback |
| Number of Outputs | 2 | 2 | 2 | 2 | 2 |
| Output Phases | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.6V ~ 50V | 3.6V ~ 50V | 3.6V ~ 40V | 3.6V ~ 50V | 3.6V ~ 50V |
| Frequency - Switching | 1kHz ~ 500kHz | 1kHz ~ 500kHz | 1kHz ~ 500kHz | 1kHz ~ 500kHz | 1kHz ~ 500kHz |
| Duty Cycle (Max) | - | - | - | - | - |
| Synchronous Rectifier | No | No | No | No | No |
| Clock Sync | No | No | No | No | No |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Frequency Control | Frequency Control | Dead Time Control, Frequency Control | Frequency Control | Frequency Control |
| Operating Temperature | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-SO | 16-SO | 16-SO | 16-SO | 16-PDIP |
