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| Part Number | MAX1556ETB+T | MAX1557ETB+T | MAX1556AETB+T |
|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck |
| Output Type | Adjustable (Programmable) | Adjustable (Programmable) | Programmable |
| Number of Outputs | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.6V | 2.6V | 2.6V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 0.75V (1.8V, 2.5V, 3.3V) | 0.75V (1V, 1.3V, 1.5V) | 1.2V, 1.5V, 2.5V, 3.3V |
| Voltage - Output (Max) | 5.5V | 5.5V | - |
| Current - Output | 1.2A | 600mA | 1.2A |
| Frequency - Switching | 1MHz | 1MHz | 1MHz |
| Synchronous Rectifier | Yes | Yes | Yes |
| 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 | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-TDFN (3x3) | 10-TDFN (3x3) | 10-TDFN (3x3) |
