| Part Number | LTC1435ACG#PBF | LTC1437ACG#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-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck | Buck | 
| Number of Outputs | 1 | 1 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 30V | 3.5V ~ 30V | 
| Frequency - Switching | Up to 400kHz | Up to 400kHz | 
| Duty Cycle (Max) | 99% | 99% | 
| Synchronous Rectifier | Yes | Yes | 
| Clock Sync | No | No | 
| Serial Interfaces | - | - | 
| Control Features | Enable, Soft Start | Enable, Power on Reset, Soft Start | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 
| Supplier Device Package | 16-SSOP | 28-SSOP |