| Part Number | LM2574DW-ADJR2G | LM2574DW-ADJR2 | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Obsolete | 
| Function | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | 
| Output Configuration | Positive or Negative | Positive or Negative | 
| Topology | Buck, Boost, Buck-Boost | Buck, Boost, Buck-Boost | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 4.75V | 4.75V | 
| Voltage - Input (Max) | 40V | 40V | 
| Voltage - Output (Min/Fixed) | 1.23V | 1.23V | 
| Voltage - Output (Max) | 37V | 37V | 
| Current - Output | 500mA | 500mA | 
| Frequency - Switching | 52kHz | 52kHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 16-SOIC | 16-SOIC |