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| Part Number | LT8705IFE#PBF | LT8709IFE#PBF | LT8705AIFE#PBF | LT8705EFE#PBF | LT8705HFE#PBF |
|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up/Step-Down | Step-Up/Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive or Negative | Positive | Positive | Positive |
| Topology | Buck-Boost | Buck, Boost, Buck-Boost | Buck-Boost | Buck-Boost | Buck-Boost |
| Number of Outputs | 2 | 1 | 2 | 2 | 2 |
| Output Phases | 2 | 1 | 2 | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 2.8V ~ 80V | -4.5V ~ -80V | 2.8V ~ 80V | 2.8V ~ 80V | 2.8V ~ 80V |
| Frequency - Switching | 100kHz ~ 400kHz | 100kHz ~ 750kHz | 100kHz ~ 400kHz | 100kHz ~ 400kHz | 100kHz ~ 400kHz |
| Duty Cycle (Max) | - | - | - | - | - |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes |
| Clock Sync | Yes | Yes | Yes | Yes | Yes |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Power Good, Soft Start | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP | 20-TSSOP-EP | 38-TSSOP-EP | 38-TSSOP-EP | 38-TSSOP-EP |
