Positive fixed 1.8V LDO voltage regulator with a maximum output current of 0.1A. Features include current limit, short circuit protection, and shutdown functionality. Operates with input voltages from 2V to 28V, offering ±2% output voltage accuracy. Housed in a 6-pin SOT-89 surface mount package with typical dropout voltages of 0.55V at 20mA and 2.2V at 100mA. Supports ceramic and tantalum output capacitors, with typical PSRR of 50 dB.
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Microchip MCP1804T-1802I/MT technical specifications.
| Package/Case | SOT-89 |
| Pin Count | 6 |
| PCB | 5 |
| Tab | Tab |
| Package Length (mm) | 4.6(Max) |
| Package Width (mm) | 2.6(Max) |
| Package Height (mm) | 1.6(Max) |
| Mounting | Surface Mount |
| Type | LDO |
| Number of Outputs | 1 |
| Output Type | Fixed |
| Output Voltage | 1.8V |
| Polarity | Positive |
| Maximum Output Current | 0.1(Min)A |
| Minimum Input Voltage | 2V |
| Maximum Input Voltage | 28V |
| Typical Dropout Voltage @ Current | 0.55@20mA|2.2@100mAV |
| Maximum Dropout Voltage @ Current | 0.71@20mA|2.7@100mAV |
| Accuracy | ±2% |
| Line Regulation | 0.3%/V |
| Load Regulation | 90mV |
| Maximum Quiescent Current | 0.105mA |
| Junction to Ambient | 180°C/W(Typ) |
| Junction to Case | 100°C/W(Typ) |
| Typical PSRR | 50dB |
| Typical Output Capacitance | 0.1uF |
| Typical Quiescent Current | 0.05mA |
| Pass Element Type | PMOS |
| Output Capacitor Type | Ceramic|Tantalum |
| Special Features | Current Limit|Short Circuit Protection|Shutdown |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | 60991 |
| EU RoHS | Yes |
| HTS Code | 8542390001 |
| Schedule B | 8542390000 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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