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| Part Number | LM3753SQX/NOPB | LM3754SQX/NOPB | LM3753SQ/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor |
| Product Status | Obsolete | Active | Active |
| 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 ~ 18V | 4.5V ~ 18V | 4.5V ~ 18V |
| Frequency - Switching | 200kHz ~ 1MHz | 200kHz ~ 1MHz | 200kHz ~ 1MHz |
| Duty Cycle (Max) | 81% | 81% | 81% |
| Synchronous Rectifier | Yes | Yes | Yes |
| Clock Sync | Yes | Yes | Yes |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking | Current Limit, Enable, Frequency Control, Power Good, Tracking | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Tracking |
| Operating Temperature | -5°C ~ 125°C (TJ) | -5°C ~ 125°C (TJ) | -5°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-WQFN (5x5) | 32-WQFN (5x5) | 32-WQFN (5x5) |
