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| Part Number | MAX8540EEE+ | MAX8541EEE+ | MAX8543EEE+ | MAX8540EEE+T |
|---|---|---|---|---|
| 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 |
| Function | Step-Up/Step-Down | - | Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | - | Positive | Positive, Isolation Capable |
| Topology | Flyback, Forward Converter | - | Buck | Flyback, Forward Converter |
| Number of Outputs | 1 | - | 1 | 1 |
| Output Phases | 1 | - | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 18V | - | 3V ~ 13.2V | 7.6V ~ 18V |
| Frequency - Switching | 200kHz ~ 1MHz | - | 800kHz ~ 1.2MHz | 200kHz ~ 1MHz |
| Duty Cycle (Max) | 80% | - | - | 80% |
| Synchronous Rectifier | No | - | Yes | No |
| Clock Sync | Yes | - | Yes | Yes |
| Serial Interfaces | - | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | - | Current Limit, Enable, Power Good, Soft Start | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) | - | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | - | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | - | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-QSOP | - | 16-QSOP | 16-QSOP |
