| PartNumber | KA3842B | KA3842BD | KA3842BDTF |
| Description | Switching Controllers PWM Control IC | IC REG CTRLR PWM CM 14-SOP | IC REG CTRLR PWM CM 14-SOP |
| Manufacturer | ON Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor |
| Product Category | Switching Controllers | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers |
| RoHS | Y | - | - |
| Number of Outputs | 1 Output | - | - |
| Switching Frequency | 500 kHz | - | - |
| Duty Cycle Max | 100 % | - | - |
| Output Current | 1000 mA | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | DIP-8 | - | - |
| Packaging | Tube | Tube | Tape & Reel (TR) |
| Series | KA3842B | - | - |
| Type | Current Mode PWM Controllers | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Fall Time | 35 ns | - | - |
| Operating Supply Current | 17 mA | - | - |
| Product Type | Switching Controllers | - | - |
| Rise Time | 45 ns | - | - |
| Factory Pack Quantity | 50 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.030018 oz | - | - |
| Package Case | - | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | - | Surface Mount | Surface Mount |
| Supplier Device Package | - | 14-SOP | 14-SOP |
| Power Watts | - | - | - |
| Output Isolation | - | - | - |
| Internal Switch s | - | No | No |
| Voltage Breakdown | - | - | - |
| Topology | - | - | - |
| Voltage Start Up | - | 16V | 16V |
| Voltage Supply Vcc Vdd | - | 10 V ~ 30 V | 10 V ~ 30 V |
| Duty Cycle | - | 97% | 97% |
| Frequency Switching | - | Up to 500kHz | Up to 500kHz |
| Fault Protection | - | - | - |
| Control Features | - | Frequency Control | Frequency Control |