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| Part Number | LM26420Q1XMH/NOPB | LM26420Q1XMHX/NOPB | LM26420Q0XMH/NOPB | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | 
| Function | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Outputs | 2 | 2 | 2 | 
| Voltage - Input (Min) | 3V | 3V | 3V | 
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 0.8V | 0.8V | 0.8V | 
| Voltage - Output (Max) | 4.5V | 4.5V | 4.5V | 
| Current - Output | 2A | 2A | 2A | 
| Frequency - Switching | 2.2MHz | 2.2MHz | 2.2MHz | 
| Synchronous Rectifier | Yes | Yes | Yes | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | 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) | 
| Supplier Device Package | 20-HTSSOP | 20-HTSSOP | 20-HTSSOP |