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| Part Number | NCP1521ASNT1G | NCP1521BSNT1G | NCP1529ASNT1G | NCP1522ASNT1G |
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Not For New Designs | Obsolete |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V | 2.7V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 0.9V | 0.9V | 0.9V | 0.9V |
| Voltage - Output (Max) | 3.3V | 3.9V | 3.9V | 3.3V |
| Current - Output | 600mA | 600mA | 1A | 600mA |
| Frequency - Switching | 1.5MHz | 1.5MHz | 1.7MHz | 3MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes |
| 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 | SOT-23-5 Thin, TSOT-23-5 | SOT-23-5 Thin, TSOT-23-5 | SOT-23-5 Thin, TSOT-23-5 | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | 5-TSOP | 5-TSOP | 5-TSOP | 5-TSOP |
