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| Part Number | LTC4418IUF#PBF | LTC4417IUF#PBF | LTC4418CUF#PBF | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | 
| Type | Source Selector Switch | Source Selector Switch | Source Selector Switch | 
| FET Type | P-Channel | P-Channel | P-Channel | 
| Ratio - Input:Output | 2:1 | 3:1 | 2:1 | 
| Internal Switch(s) | Yes | No | Yes | 
| Delay Time - ON | - | 1.4 µs | - | 
| Delay Time - OFF | - | 700 ns | - | 
| Current - Output (Max) | - | - | - | 
| Current - Supply | 52 µA | 28 µA | 52 µA | 
| Voltage - Supply | 40V | 2.5V ~ 36V | 40V | 
| Applications | Industrial | Battery Backup, Handheld/Mobile Devices | Industrial | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 20-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 20-WFQFN Exposed Pad | 
| Supplier Device Package | 20-QFN (4x4) | 24-QFN (4x4) | 20-QFN (4x4) |