| Part Number | MIC38C42ABM-TR | MIC38C44ABM-TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers | 
|   |   | |
| Product Status | Discontinued at Digi-Key | Discontinued at Digi-Key | 
| Output Isolation | Isolated | Isolated | 
| Internal Switch(s) | Yes | Yes | 
| Voltage - Breakdown | - | - | 
| Topology | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | 
| Voltage - Start Up | 14.5 V | 14.5 V | 
| Voltage - Supply (Vcc/Vdd) | 9V ~ 20V | 9V ~ 20V | 
| Duty Cycle | 96% | 50% | 
| Frequency - Switching | 500kHz | 500kHz | 
| Power (Watts) | - | - | 
| Fault Protection | - | - | 
| Control Features | Frequency Control | Frequency Control | 
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 
| Mounting Type | Surface Mount | Surface Mount |