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| Part Number | LM2596S-3.3 | LM2596SX-3.3 | LM2596T-3.3 | LM2598S-3.3 | LM2595S-3.3 |
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Not For New Designs | Active | Obsolete | Obsolete | Active |
| Function | Step-Down | - | Step-Down | Step-Down | - |
| Output Configuration | Positive | - | Positive | Positive | - |
| Topology | Buck | - | Buck | Buck | - |
| Output Type | Fixed | - | Fixed | Fixed | - |
| Number of Outputs | 1 | - | 1 | 1 | - |
| Voltage - Input (Min) | 4.5V | - | 4.5V | 4.5V | - |
| Voltage - Input (Max) | 40V | - | 40V | 40V | - |
| Voltage - Output (Min/Fixed) | 3.3V | - | 3.3V | 3.3V | - |
| Voltage - Output (Max) | - | - | - | - | - |
| Current - Output | 3A | - | 3A | 1A | - |
| Frequency - Switching | 150kHz | - | 150kHz | 150kHz | - |
| Synchronous Rectifier | No | - | No | No | - |
| Operating Temperature | -40°C ~ 125°C (TJ) | - | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | - |
| Mounting Type | Surface Mount | - | Through Hole | Surface Mount | - |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | - | TO-220-5 Formed Leads | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | - |
| Supplier Device Package | DDPAK/TO-263-5 | - | TO-220-5 | DDPAK/TO-263-7 | - |
