| PartNumber | UC3827N-1G4 | UC3827N-2 | UC3827N-1 |
| Description | Switching Controllers Buck Crnt/Vltg Fed Push-Pull PWM Cntrlr | Switching Controllers Buck Current/Voltage Fed Push-Pull | Switching Controllers Buck Current/Voltage Fed Push-Pull |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | Y | - |
| Topology | Buck | Buck | Buck, Full-Bridge, Push-Pull |
| Number of Outputs | 3 Output | 3 Output | 3 |
| Switching Frequency | 450 kHz | 450 kHz | - |
| Duty Cycle Max | 50 % | 50 % | - |
| Output Current | 250 mA, 200 mA | 250 mA, 200 mA | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PDIP-24 | PDIP-24 | - |
| Packaging | Tube | Tube | Tube |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | UC3827-1 | UC3827-2 | - |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Fall Time | 30 ns | 30 ns | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Rise Time | 40 ns | 40 ns | - |
| Factory Pack Quantity | 15 | 15 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.131925 oz | 0.131925 oz | - |
| Package Case | - | - | 24-DIP (0.600", 15.24mm) |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Down, Step-Up/Step-Down |
| Supplier Device Package | - | - | 24-PDIP |
| Voltage Supply Vcc Vdd | - | - | 7.6 V ~ 20 V |
| Frequency Switching | - | - | 220kHz |
| Control Features | - | - | Frequency Control, Ramp, Soft Start |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 0.91 |
| Synchronous Rectifier | - | - | Yes |
| Clock Sync | - | - | Yes |
| Serial Interfaces | - | - | - |