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| Part Number | UC2825N | UC2825Q | UC28025N | UC2823N | UC2824N | UC2825AN | UC2825J |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Unitrode | Texas Instruments | Unitrode | Texas Instruments | Texas Instruments | Unitrode |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up | Step-Up, Step-Up/Step-Down | - |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | - |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | - | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | Buck, Boost, Flyback, Forward Converter | Boost | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | - |
| Number of Outputs | 2 | 2 | 2 | 1 | 1 | 2 | - |
| Output Phases | 1 | 1 | 2 | 1 | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 30V | 8.4V ~ 30V | 9V ~ 30V | 8.4V ~ 30V | 8.4V ~ 30V | 8.4V ~ 22V | - |
| Frequency - Switching | 340kHz ~ 460kHz | 340kHz ~ 460kHz | 340kHz ~ 460kHz | 340kHz ~ 460kHz | 340kHz ~ 460kHz | 400kHz ~ 1MHz | - |
| Duty Cycle (Max) | 80% | 80% | 45% | 80% | 80% | 50% | - |
| Synchronous Rectifier | No | No | Yes | No | No | No | - |
| Clock Sync | No | No | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Enable, Frequency Control, Ramp, Soft Start | Current Limit, Frequency Control, Ramp, Soft Start | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -25°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Through Hole | Through Hole | Through Hole | - |
| Package / Case | 16-DIP (0.300", 7.62mm) | 20-LCC (J-Lead) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | - |
| Supplier Device Package | 16-PDIP | 20-PLCC (8.96x8.96) | 16-PDIP | 16-PDIP | 16-PDIP | 16-PDIP | - |
