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| Part Number | ISL6740IB | ISL6740IV | ISL6741IB | ISL6740IBZ | ISL6840IB |
|---|---|---|---|---|---|
| Manufacturer | Intersil | Intersil | Intersil | Intersil | Intersil |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| 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-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Full-Bridge, Half-Bridge, Push-Pull | Full-Bridge, Half-Bridge, Push-Pull | Full-Bridge, Half-Bridge, Push-Pull | Full-Bridge, Half-Bridge, Push-Pull | Boost, Flyback |
| Number of Outputs | 2 | 2 | 2 | 2 | 1 |
| Output Phases | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 9V ~ 16V | 9V ~ 16V | 9V ~ 16V | 9V ~ 16V | 7.5V ~ 14V |
| Frequency - Switching | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 1MHz | Up to 2MHz |
| Duty Cycle (Max) | 83% | 83% | 83% | 83% | 96% |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes |
| Clock Sync | Yes | Yes | Yes | Yes | No |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | 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) | -40°C ~ 105°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-TSSOP | 16-SOIC | 16-SOIC | 8-SOIC |
