Please send RFQ , we will respond immediately.
| Part Number | UC3842ADX | UC3843ADX | UC3842AD | UC3842AD8 | UC3842ADM | UC3842ADW |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Texas Instruments | Microsemi Corporation | Texas Instruments |
| Product Status | Obsolete | Active | Obsolete | Active | Discontinued at Digi-Key | Active |
| Output Type | Transistor Driver | - | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down | - | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down, Step-Up/Step-Down | Step-Up, Step-Down | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable | - | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable | Positive, Isolation Capable |
| Topology | Boost, Buck, Flyback, Forward | - | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward |
| Number of Outputs | 1 | - | 1 | 1 | 1 | 1 |
| Output Phases | 1 | - | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V | - | 10V ~ 30V | 10V ~ 30V | 10V ~ 30V | 10V ~ 30V |
| Frequency - Switching | Up to 500kHz | - | Up to 500kHz | Up to 500kHz | Up to 500kHz | Up to 500kHz |
| Duty Cycle (Max) | 96% | - | 96% | 96% | 96% | 96% |
| Synchronous Rectifier | No | - | No | No | No | No |
| Clock Sync | No | - | No | No | No | No |
| Serial Interfaces | - | - | - | - | - | - |
| Control Features | Frequency Control | - | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | - | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - | 14-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 8-SOIC | - | 14-SOIC | 8-SOIC | 8-SOIC | 16-SOIC |
