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| Part Number | MIC5239BM | MIC5239YM | MIC5239BMM | 
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Obsolete | Active | Discontinued at Digi-Key | 
| Output Configuration | Positive | Positive | Positive | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 1 | 
| Voltage - Input (Max) | 30V | 30V | 30V | 
| Voltage - Output (Min/Fixed) | 1.24V | 1.24V | 1.24V | 
| Voltage - Output (Max) | 20V | 20V | 20V | 
| Voltage Dropout (Max) | 0.35V @ 500mA (Typ) | 0.35V @ 500mA (Typ) | 0.35V @ 500mA (Typ) | 
| Current - Output | 500mA | 500mA | 500mA | 
| Current - Quiescent (Iq) | 45 µA | 45 µA | 45 µA | 
| Current - Supply (Max) | 15 mA | 15 mA | 15 mA | 
| PSRR | - | - | - | 
| Control Features | Enable | Enable | Enable | 
| Protection Features | Over Current, Over Temperature, Over Voltage, Reverse Polarity | Over Current, Over Temperature, Over Voltage, Reverse Polarity | Over Current, Over Temperature, Over Voltage, Reverse Polarity | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-MSOP |