| Part Number | LTC7803JUD#PBF | LTC7803JUD#WPBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Output Type | Transistor Driver | Transistor Driver | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Number of Outputs | 1 | 1 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 40V | 4.5V ~ 40V | 
| Frequency - Switching | 100kHz ~ 3MHz | 100kHz ~ 3MHz | 
| Duty Cycle (Max) | 100% | 100% | 
| Synchronous Rectifier | Yes | Yes | 
| Clock Sync | Yes | Yes | 
| Serial Interfaces | - | - | 
| Control Features | Enable, Frequency Control, Phase Control | Enable, Frequency Control, Phase Control | 
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-WFQFN Exposed Pad | 16-WFQFN Exposed Pad | 
| Supplier Device Package | 16-QFN (3x3) | 16-QFN (3x3) |