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| Part Number | LM3445MMX/NOPB | LM3445MX/NOPB | LM3444MMX/NOPB | LM3445MM/NOPB |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | National Semiconductor | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Type | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher |
| Topology | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) | Step-Down (Buck) |
| Internal Switch(s) | No | No | No | No |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Supply (Min) | 8V | 8V | 8V | 8V |
| Voltage - Supply (Max) | 12V | 12V | 13V | 12V |
| Voltage - Output | - | - | - | - |
| Current - Output / Channel | - | - | - | - |
| Frequency | 30kHz ~ 1MHz | 30kHz ~ 1MHz | - | 30kHz ~ 1MHz |
| Dimming | Triac | Triac | Analog | Triac |
| Applications | Lighting | Lighting | Lighting | Lighting |
| Operating Temperature | -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 |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 14-SOIC (0.154", 3.90mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-VSSOP | 14-SOIC | 10-VSSOP | 10-VSSOP |
