| Part Number | TPS54394PWP | TPS54354PWP | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Active | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Adjustable | Fixed | 
| Number of Outputs | 2 | 1 | 
| Voltage - Input (Min) | 4.5V | 4.5V | 
| Voltage - Input (Max) | 18V | 20V | 
| Voltage - Output (Min/Fixed) | 0.76V | 1.8V | 
| Voltage - Output (Max) | 7V | - | 
| Current - Output | 3A | 3A | 
| Frequency - Switching | 700kHz | 250kHz, 500kHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 16-HTSSOP | 16-HTSSOP |