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| Part Number | TPS40091RHDT | TPS40090RHDT | TPS40091RHDR |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete |
| Output Type | PWM Signal | PWM Signal | PWM Signal |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Number of Outputs | 4 | 4 | 4 |
| Output Phases | 4 | 4 | 4 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 15V | 4.5V ~ 15V | 4.5V ~ 15V |
| Frequency - Switching | 100kHz ~ 1.2MHz | 100kHz ~ 1.2MHz | 100kHz ~ 1.2MHz |
| Duty Cycle (Max) | 87.5% | 87.5% | 87.5% |
| Synchronous Rectifier | No | No | No |
| Clock Sync | Yes | Yes | Yes |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| 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-VFQFN Exposed Pad | 28-VFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Supplier Device Package | 28-VQFN (5x5) | 28-VQFN (5x5) | 28-VQFN (5x5) |
