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| Part Number | MAX20021ATIA/V+ | MAX20022ATIA/V+ | MAX20021ATIB/V+ | MAX20021ATIC/V+ | MAX20029ATIA/V+ | MAX20021ATIA/V+T | MAX20026ATIA/V+ |
|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Fixed | Adjustable | Fixed | Fixed | Adjustable | Fixed | Adjustable |
| Number of Outputs | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Voltage - Input (Min) | 3V | 3V | 3V | 3V | 3V | 3V | 3V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 1.25V, 1.8V, 2.65V, 3.3V | 1V | 1.25V, 1.8V, 2.65V, 3.3V | 1.25V, 1.8V, 2.65V, 3.3V | 1V | 1.25V, 1.8V, 2.65V, 3.3V | 2.5V |
| Voltage - Output (Max) | - | 4V | - | - | 4V | - | 4V |
| Current - Output | 1A, 500mA, 500mA, 1A | 1A | 1A, 500mA, 500mA, 1A | 1A, 500mA, 500mA, 1A | 1.5A | 1A, 500mA, 500mA, 1A | 200mA |
| Frequency - Switching | 3.2MHz | 2.2MHz | 3.2MHz | 3.2MHz | 2.2MHz | 3.2MHz | 3.2MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (5x5) | 28-TQFN (4x4) |
