| Part Number | TPS40021PWPG4 | TPS40051PWPG4 |
|---|---|---|
| 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 | Discontinued at Digi-Key | Discontinued at Digi-Key |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 1 | 1 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 2.25V ~ 5.5V | 8V ~ 40V |
| Frequency - Switching | 100kHz ~ 1MHz | 500kHz |
| Duty Cycle (Max) | 95% | 94% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | Yes | Yes |
| Serial Interfaces | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| 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 |