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| Part Number | LT3954IUHE#TRPBF | LT3956IUHE#TRPBF | LT3955IUHE#TRPBF | LT3964IUHE#TRPBF | LT3954EUHE#TRPBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Obsolete | Active |
| Type | DC DC Regulator | DC DC Regulator | DC DC Regulator | DC DC Controller | DC DC Regulator |
| Topology | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | Step-Down (Buck) | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) |
| Internal Switch(s) | Yes | Yes | Yes | Yes | Yes |
| Number of Outputs | 1 | 1 | 1 | 2 | 1 |
| Voltage - Supply (Min) | 4.5V | 4.5V | 4.5V | 4V | 4.5V |
| Voltage - Supply (Max) | 40V | 80V | 60V | 36V | 40V |
| Voltage - Output | - | 80V | - | - | - |
| Current - Output / Channel | 5A (Switch) | 3.3A (Switch) | 3.5A (Switch) | - | 5A (Switch) |
| Frequency | 100kHz ~ 1MHz | 100kHz ~ 1MHz | 100kHz ~ 1MHz | 2MHz | 100kHz ~ 1MHz |
| Dimming | Analog, PWM | Analog, PWM | Analog, PWM | I²C, PWM | Analog, PWM |
| Applications | - | - | - | Automotive, General Purpose, Industrial, Medical | - |
| 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) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 36-WFQFN, 28 Leads, Exposed Pad | 36-WFQFN, 28 Leads, Exposed Pad | 36-WFQFN, 28 Leads, Exposed Pad | 36-WFQFN Exposed Pad | 36-WFQFN, 28 Leads, Exposed Pad |
| Supplier Device Package | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) | 36-QFN (5x6) |
