| Part Number | LTC1775IS#PBF | LTC1735IS#PBF | 
|---|---|---|
| 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-Up/Step-Down | Step-Down | 
| Output Configuration | Positive or Negative | Positive | 
| Topology | Buck, Buck-Boost | Buck | 
| Number of Outputs | 1 | 1 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 4.3V ~ 36V | 4V ~ 30V | 
| Frequency - Switching | 150kHz | 300kHz | 
| Duty Cycle (Max) | 99% | 99.4% | 
| Synchronous Rectifier | Yes | Yes | 
| Clock Sync | Yes | No | 
| Serial Interfaces | - | - | 
| Control Features | Enable, Soft Start | Enable, Power Good, Soft Start | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-SO | 16-SO |