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| Part Number | LT1776CN8#PBF | LT1776CS8#PBF | LT1776IN8#PBF | LT1676CN8#PBF | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | 
| 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) | 7.4V | 7.4V | 7.4V | 7.4V | 
| Voltage - Input (Max) | 40V | 40V | 40V | 60V | 
| Voltage - Output (Min/Fixed) | 1.24V | 1.24V | 1.24V | 1.24V | 
| Voltage - Output (Max) | 34V | 34V | 34V | 51V | 
| Current - Output | 550mA (Switch) | 550mA (Switch) | 550mA (Switch) | 550mA (Switch) | 
| Frequency - Switching | 200kHz | 200kHz | 200kHz | 100kHz | 
| Synchronous Rectifier | No | No | No | No | 
| Operating Temperature | 0°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 0°C ~ 125°C (TJ) | 
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | 
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-PDIP | 8-SO | 8-PDIP | 8-PDIP |