| Part Number | LM2599SX-5.0 | LM2599S-5.0 | 
|---|---|---|
| Manufacturer | National Semiconductor | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Active | Active | 
| Function | Step-Down | - | 
| Output Configuration | Positive | - | 
| Topology | Buck | - | 
| Output Type | Fixed | - | 
| Number of Outputs | 1 | - | 
| Voltage - Input (Min) | 4.5V | - | 
| Voltage - Input (Max) | 40V | - | 
| Voltage - Output (Min/Fixed) | 5V | - | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 3A | - | 
| Frequency - Switching | 150kHz | - | 
| Synchronous Rectifier | No | - | 
| Operating Temperature | -40°C ~ 125°C | - | 
| Mounting Type | Surface Mount | - | 
| Package / Case | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | - | 
| Supplier Device Package | DDPAK/TO-263-7 | - |