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| PartNumber | UC3844D8 | UC3844D8G4 | UC3844D8G |
| Description | Switching Controllers Current Mode | Switching Controllers Current-Mode PWM Controller | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | PMIC - AC DC Converters, Offline Switchers |
| RoHS | Y | Y | - |
| Topology | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward |
| Number of Outputs | 1 Output | 1 Output | - |
| Switching Frequency | 450 kHz | 450 kHz | - |
| Duty Cycle Max | 50 % | 50 % | - |
| Output Current | 1 A | 1 A | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOIC-8 | - |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Series | UC3844 | UC3844 | - |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Fall Time | 50 ns | 50 ns | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Rise Time | 50 ns | 50 ns | - |
| Factory Pack Quantity | 75 | 75 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.002561 oz | 0.002561 oz | - |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | 0°C ~ 70°C (TA) |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | 8-SOIC |
| Power Watts | - | - | - |
| Output Isolation | - | - | Isolated |
| Internal Switch s | - | - | No |
| Voltage Breakdown | - | - | - |
| Voltage Start Up | - | - | 16V |
| Voltage Supply Vcc Vdd | - | - | 10 V ~ 30 V |
| Duty Cycle | - | - | 48% |
| Frequency Switching | - | - | Up to 500kHz |
| Fault Protection | - | - | Current Limiting |
| Control Features | - | - | Frequency Control |