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| Part Number | LT1959CR#PBF | LT1959IR#PBF |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck, SEPIC | Buck, SEPIC |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 4.3V | 4.3V |
| Voltage - Input (Max) | 15V | 15V |
| Voltage - Output (Min/Fixed) | 1.21V | 1.21V |
| Voltage - Output (Max) | 12.9V | 12.9V |
| Current - Output | 4.5A (Switch) | 4.5A (Switch) |
| Frequency - Switching | 500kHz | 500kHz |
| Synchronous Rectifier | No | No |
| Operating Temperature | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA | TO-263-8, D²Pak (7 Leads + Tab), TO-263CA |
| Supplier Device Package | 7-DDPAK | 7-DDPAK |
