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| Part Number | MAX668EUB+T | MAX669EUB+T | MAX668EUB-T | MAX668EUB+ |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Obsolete | Active |
| Output Type | 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 |
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Boost, Flyback, SEPIC | Boost, Flyback, SEPIC | Boost, Flyback, SEPIC | Boost, Flyback, SEPIC |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 28V | 1.8V ~ 28V | 3V ~ 28V | 3V ~ 28V |
| Frequency - Switching | 100kHz ~ 500kHz | 100kHz ~ 500kHz | 100kHz ~ 500kHz | 100kHz ~ 500kHz |
| Duty Cycle (Max) | 90% | 90% | 90% | 90% |
| Synchronous Rectifier | No | No | No | No |
| Clock Sync | Yes | Yes | Yes | Yes |
| Serial Interfaces | - | - | - | - |
| Control Features | Enable, Frequency Control | Enable, Frequency Control | Enable, Frequency Control | Enable, Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-uMAX/uSOP | 10-uMAX/uSOP | 10-uMAX/uSOP | 10-uMAX/uSOP |
