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| Part Number | LM5642XMH | LM5642XMT | LM5642XMHX |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Number of Outputs | 2 | 2 | 2 |
| Output Phases | 2 | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 36V | 4.5V ~ 36V | 4.5V ~ 36V |
| Frequency - Switching | 375kHz | 375kHz | 375kHz |
| Duty Cycle (Max) | 98.9% | 98.9% | 98.9% |
| Synchronous Rectifier | Yes | Yes | Yes |
| Clock Sync | Yes | Yes | Yes |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Soft Start | Current Limit, Enable, Soft Start | Current Limit, Enable, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-PowerTSSOP (0.173", 4.40mm Width) | 28-TSSOP (0.173", 4.40mm Width) | 28-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 28-HTSSOP | 28-TSSOP | 28-HTSSOP |
