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| Part Number | LT3479EFE#PBF | LT3439EFE#PBF | LT3479EDE#PBF |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active |
| Function | Step-Up | Step-Up/Step-Down | Step-Up |
| Output Configuration | Positive or Negative | Positive, Isolation Capable | Positive or Negative |
| Topology | Boost | Push-Pull | Boost |
| Output Type | Adjustable | Fixed | Adjustable |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.5V | 2.8V | 2.3V |
| Voltage - Input (Max) | 24V | 17.5V | 24V |
| Voltage - Output (Min/Fixed) | 1.235V | - | 1.235V |
| Voltage - Output (Max) | 42V (Switch) | - | 42V (Switch) |
| Current - Output | 3A (Switch) | 1A | 3A (Switch) |
| Frequency - Switching | 200kHz ~ 3.5MHz | 20kHz ~ 250kHz | 200kHz ~ 3.5MHz |
| Synchronous Rectifier | No | No | No |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TJ) | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | 14-WFDFN Exposed Pad |
| Supplier Device Package | 16-TSSOP-EP | 16-TSSOP-EP | 14-DFN (4x3) |
