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| Part Number | LM5121MH/NOPB | LM5121MHE/NOPB | LM5122MH/NOPB | LM5121MHX/NOPB | LM5121QMH/NOPB |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up | Step-Up | Step-Up | Step-Up | Step-Up |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Boost | Boost | Boost | Boost | Boost |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 65V | 4.5V ~ 65V | 4.5V ~ 65V | 4.5V ~ 65V | 4.5V ~ 65V |
| Frequency - Switching | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 1MHz |
| Duty Cycle (Max) | 100% | 100% | 100% | 100% | 100% |
| Synchronous Rectifier | No | No | Yes | No | No |
| Clock Sync | Yes | Yes | Yes | Yes | Yes |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Frequency Control, Soft Start | Frequency Control, Soft Start | Frequency Control, Soft Start | Frequency Control, Soft Start | Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-PowerTSSOP (0.173", 4.40mm Width) | 20-PowerTSSOP (0.173", 4.40mm Width) | 20-PowerTSSOP (0.173", 4.40mm Width) | 20-PowerTSSOP (0.173", 4.40mm Width) | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-HTSSOP | 20-HTSSOP | 20-HTSSOP | 20-HTSSOP | 20-HTSSOP |
