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| Part Number | ISL8840AABZ | ISL8845AABZ | ISL8841AABZ | ISL8840AAUZ | ISL8843AABZ | ISL8840AMBZ |
|---|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | Intersil | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Active | Active | Active | Active | Active | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | - | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | - | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | - | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Boost, Flyback | Boost, Flyback | - | Boost, Flyback | Boost, Flyback | Boost, Flyback |
| Number of Outputs | 1 | 1 | - | 1 | 1 | 1 |
| Output Phases | 1 | 1 | - | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 9V ~ 30V | 9V ~ 30V | - | 9V ~ 30V | 9V ~ 30V | 9V ~ 30V |
| Frequency - Switching | Up to 2MHz | Up to 2MHz | - | Up to 2MHz | Up to 2MHz | Up to 2MHz |
| Duty Cycle (Max) | 96% | 48% | - | 96% | 96% | 96% |
| Synchronous Rectifier | No | No | - | No | No | No |
| Clock Sync | No | No | - | No | No | No |
| Serial Interfaces | - | - | - | - | - | - |
| Control Features | Current Limit, Frequency Control | Current Limit, Frequency Control | - | Current Limit, Frequency Control | Current Limit, Frequency Control | Current Limit, Frequency Control |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | - | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -55°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | - | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | - | 8-MSOP | 8-SOIC | 8-SOIC |
