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| PartNumber | UC3846NG4 | UC3846QTR | UC3846Q |
| Description | Switching Controllers Current-Mode PWM Controller | Switching Controllers Current-Mode PWM Controlle | Switching Controllers Current-Mode PWM Controlle |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | - | - |
| Topology | Boost, Buck, Flyback, Forward, Full-Bridge, Half-Bridge, Push-Pull | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 2 Output | 2 | 2 |
| Switching Frequency | 450 kHz | 450 kHz | 450 kHz |
| Duty Cycle Max | 50 % | - | - |
| Output Current | 500 mA | 500 mA | 500 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-16 | - | - |
| Packaging | Tube | Tape & Reel (TR) Alternate Packaging | Tube Alternate Packaging |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Series | UC3846 | UC3846 | UC3846 |
| Type | Current Mode PWM Controllers | - | - |
| Brand | Texas Instruments | - | - |
| Fall Time | 50 ns | 50 ns | 50 ns |
| Product Type | Switching Controllers | - | - |
| Rise Time | 50 ns | 50 ns | 50 ns |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.037172 oz | 0.025468 oz | 0.025468 oz |
| Package Case | - | PLCC-20 | PLCC-20 |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Output Type | - | Transistor Driver | Transistor Driver |
| Function | - | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Supplier Device Package | - | 20-PLCC (9x9) | 20-PLCC (9x9) |
| Voltage Supply Vcc Vdd | - | 6.95 V ~ 40 V | 6.95 V ~ 40 V |
| Frequency Switching | - | 500kHz | 500kHz |
| Control Features | - | Current Limit, Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| Output Configuration | - | Positive | Positive |
| Output Phases | - | 1 | 1 |
| Duty Cycle Max | - | 50 % | 50 % |
| Synchronous Rectifier | - | Yes | Yes |
| Clock Sync | - | Yes | Yes |
| Serial Interfaces | - | - | - |
