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| PartNumber | MIC38HC42YM-TR | MIC38HC42YN | MIC38HC42YM |
| Description | Switching Controllers Monolithic SMPS Controller | Switching Controllers Monolithic SMPS Controller | Switching Controllers Monolithic SMPS Controller |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-8 | DIP-8 | SOIC-8 |
| Packaging | Reel | Tube | Tube |
| Series | MIC38HC42 | MIC38HC42 | MIC38HC42 |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | Current Mode PWM Controllers |
| Brand | Microchip Technology / Micrel | Microchip Technology / Micrel | Microchip Technology / Micrel |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 2500 | 50 | 95 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Part # Aliases | MIC38HC42YM TR | - | - |
| Unit Weight | 0.019048 oz | 0.080001 oz | 0.019048 oz |
| Topology | - | Flyback, Forward | Boost, Buck |
| Number of Outputs | - | 1 Output | 1 Output |
| Switching Frequency | - | 500 kHz | 500 kHz |
| Duty Cycle Max | - | 96 % | 96 % |
| Input Voltage | - | 9 V to 20 V | 9 V |
| Output Current | - | 1 A | 1 A |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Isolation | - | Isolated | Isolated |
| Shutdown | - | No Shutdown | - |
| Fall Time | - | 15 ns | 15 ns |
| Operating Supply Current | - | 4 mA | 4 mA |
| Operating Supply Voltage | - | 9 V to 20 V | - |
| Rise Time | - | 20 ns | 20 ns |
| Output Voltage | - | - | 5 V |