| Part Number | UCC28C40QDRQ1 | UCC28C44QDRQ1 |
|---|---|---|
| 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 | Active | Active |
| Output Type | PWM | Transistor Driver |
| Function | Step-Down, Step-Up/Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck, Flyback | Flyback |
| Number of Outputs | 1 | 1 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 6.6V ~ 18V | 9V ~ 18V |
| Frequency - Switching | 53kHz | Up to 1MHz |
| Duty Cycle (Max) | 96% | 48% |
| Synchronous Rectifier | Yes | No |
| Clock Sync | No | Yes |
| Serial Interfaces | - | - |
| Control Features | Overcurrent, Ramp | Frequency Control |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC |