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| Part Number | LM34919BQTL/NOPB | LM34919CQTL/NOPB | LM34919BQTLX/NOPB | LM34919BTL/NOPB | 
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | Active | 
| Function | Step-Down | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | Buck | 
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 1 | 1 | 
| Voltage - Input (Min) | 6V | 4.5V | 6V | 6V | 
| Voltage - Input (Max) | 40V | 50V | 40V | 40V | 
| Voltage - Output (Min/Fixed) | 2.5V | 2.5V | 2.5V | 2.5V | 
| Voltage - Output (Max) | 35V | 45V | 35V | 35V | 
| Current - Output | 600mA | 600mA | 600mA | 600mA | 
| Frequency - Switching | 2.6MHz | 2.6MHz | 2.6MHz | 2.6MHz | 
| Synchronous Rectifier | No | No | No | No | 
| Operating Temperature | -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 | 
| Package / Case | 10-WFBGA | 12-WFBGA, DSBGA | 10-WFBGA | 10-WFBGA | 
| Supplier Device Package | 10-DSBGA | 12-DSBGA (2x2.5) | 10-DSBGA | 10-DSBGA |