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| Part Number | LM5008SDX/NOPB | LM5018SDX/NOPB | LM5009SDX/NOPB | LM5001SDX/NOPB | LM5002SDX/NOPB | LM5007SDX/NOPB | LM5008ASDX/NOPB | LM5008SD/NOPB | LM5008SDC/NOPB | LM5008SDCX/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Discontinued at Digi-Key | Active | Active | Active | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive, Isolation Capable | Positive | Positive, Isolation Capable | Positive, Isolation Capable | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Boost, Flyback, Forward Converter, SEPIC | Boost, Flyback, Forward Converter, SEPIC | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 9.5V | 7.5V | 9.5V | 3.1V | 3.1V | 9V | 6V | 9.5V | 9.5V | 9.5V |
| Voltage - Input (Max) | 95V | 100V | 95V | 75V | 75V | 75V | 95V | 95V | 95V | 95V |
| Voltage - Output (Min/Fixed) | 2.5V | 1.225V | 2.5V | 3.1V | 3.1V | 2.5V | 2.5V | 2.5V | 2.5V | 2.5V |
| Voltage - Output (Max) | 75V | 90V | 85V | 76V (Switch) | 76V (Switch) | 73V | 75V | 75V | 75V | 75V |
| Current - Output | 350mA | 300mA | 150mA | 800mA (Switch) | 400mA (Switch) | 500mA | 350mA | 350mA | 350mA | 350mA |
| Frequency - Switching | 50kHz ~ 600kHz | Adj to 1MHz | - | 50kHz ~ 1.5MHz | 50kHz ~ 1.5MHz | - | 50kHz ~ 1.1MHz | 50kHz ~ 600kHz | 50kHz ~ 600kHz | 50kHz ~ 600kHz |
| Synchronous Rectifier | No | Yes | No | No | No | No | 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) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad | 8-WDFN Exposed Pad |
| Supplier Device Package | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) | 8-WSON (4x4) |
