| Part Number | LM25576MHX | LM25575MHX | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Not For New Designs | Obsolete | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Output Type | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 6V | 6V | 
| Voltage - Input (Max) | 42V | 42V | 
| Voltage - Output (Min/Fixed) | 1.225V | 1.225V | 
| Voltage - Output (Max) | 40V | 40V | 
| Current - Output | 3A | 1.5A | 
| Frequency - Switching | 50kHz ~ 1MHz | 50kHz ~ 1MHz | 
| Synchronous Rectifier | No | No | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 20-HTSSOP | 16-HTSSOP |