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| Part Number | TPS54974PWPR | TPS54973PWPR | TPS54974PWP |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 3V | 3V | 3V |
| Voltage - Input (Max) | 4V | 4V | 4V |
| Voltage - Output (Min/Fixed) | 0.891V | 0.891V | 0.891V |
| Voltage - Output (Max) | 3.6V | 2.5V | 3.6V |
| Current - Output | 9A | 9A | 9A |
| Frequency - Switching | 350kHz | 350kHz, 550kHz | 350kHz |
| Synchronous Rectifier | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 28-HTSSOP | 28-HTSSOP | 28-HTSSOP |
