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| Part Number | MIC39300-1.8BU | MIC39300-1.8WU | MIC39500-1.8BU | MIC39301-1.8BU | MIC39300-2.8BU | MIC39300-1.8BT | 
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 16V | 16V | 16V | 16V | 16V | 16V | 
| Voltage - Output (Min/Fixed) | 1.8V | 1.8V | 1.8V | 1.8V | 2.8V | 1.8V | 
| Voltage - Output (Max) | - | - | - | - | - | - | 
| Voltage Dropout (Max) | 0.55V @ 3A | 0.55V @ 3A | 0.575V @ 5A | 0.55V @ 3A | 0.55V @ 3A | 0.55V @ 3A | 
| Current - Output | 3A | 3A | 5A | 3A | 3A | 3A | 
| Current - Quiescent (Iq) | - | - | - | - | - | - | 
| Current - Supply (Max) | - | - | - | - | - | - | 
| PSRR | - | - | - | - | - | - | 
| Control Features | - | - | - | Enable | - | - | 
| Protection Features | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | Over Current, Over Temperature, Reverse Polarity | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole | 
| Package / Case | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | TO-263-4, D²Pak (3 Leads + Tab), TO-263AA | TO-220-3 | 
| Supplier Device Package | TO-263-3 | TO-263-3 | TO-263-3 | TO-263-5 | TO-263-3 | TO-220-3 |