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| Part Number | LM3404MRX | LM3404MAX | LM3404MR |
|---|---|---|---|
| Manufacturer | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Active | Discontinued at Digi-Key |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Topology | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) |
| Internal Switch(s) | Yes | Yes | Yes |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Supply (Min) | 6V | 6V | 6V |
| Voltage - Supply (Max) | 42V | 42V | 42V |
| Voltage - Output | 40V | 40V | 40V |
| Current - Output / Channel | 1A | 1A | 1A |
| Frequency | 1MHz | 1MHz | 1MHz |
| Dimming | PWM | PWM | PWM |
| Applications | Automotive, Lighting | Automotive, Lighting | Automotive, Lighting |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-PowerSOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-PowerSOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SO PowerPad | 8-SOIC | 8-SO PowerPad |
