| Part Number | KA3843BD | KA3842BD |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor |
| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers |
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| Product Status | Obsolete | Obsolete |
| Output Isolation | - | - |
| Internal Switch(s) | No | No |
| Voltage - Breakdown | - | - |
| Topology | - | - |
| Voltage - Start Up | 8.4 V | 16 V |
| Voltage - Supply (Vcc/Vdd) | 12V ~ 25V | 12V ~ 25V |
| Duty Cycle | 97% | 97% |
| Frequency - Switching | Up to 500kHz | Up to 500kHz |
| Power (Watts) | - | - |
| Fault Protection | - | - |
| Control Features | Frequency Control | Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC |
| Mounting Type | Surface Mount | Surface Mount |