| Part Number | UC3827DW-1 | UC3827DW-2 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| 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, Step-Up/Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck, Full-Bridge, Push-Pull | Buck, Full-Bridge, Push-Pull | 
| Number of Outputs | 3 | 3 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 20V | 7.6V ~ 20V | 
| Frequency - Switching | 220kHz | 220kHz | 
| Duty Cycle (Max) | 91% | 91% | 
| Synchronous Rectifier | Yes | Yes | 
| Clock Sync | Yes | Yes | 
| Serial Interfaces | - | - | 
| Control Features | Frequency Control, Ramp, Soft Start | Frequency Control, Ramp, Soft Start | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 24-SOIC | 24-SOIC |