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| PartNumber | LT1521CST-3#TRPBF | LT1521CST-3#PBF | LT1521CST-3 |
| Description | LDO Voltage Regulators 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown | LDO Voltage Regulators 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown | LDO Voltage Regulators LT1521 - 300mA Low Dropout Regulators with Micropower Quiescent Current and Shutdown |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | - |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | - |
| RoHS | Y | Y | - |
| Package / Case | SOT-3 | SOT-3 | - |
| Output Voltage | 3 V | 3 V | - |
| Output Current | 0.3 A | 300 mA | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Quiescent Current | 12 uA | 12 uA | - |
| Input Voltage MAX | 20 V | 20 V | - |
| Input Voltage MIN | 4.3 V | 4.3 V | - |
| Output Type | Fixed | Fixed | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Dropout Voltage | 500 mV | 500 mV | - |
| Series | LT1521 | LT1521 | - |
| Packaging | Reel | Tube | - |
| Height | 1.8 mm | 1.8 mm | - |
| Product | LDO Linear Regulators | LDO Linear Regulators | - |
| Type | Positive Linear Regulators | Positive Linear Regulator | - |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | - |
| Dropout Voltage Max | 750 mV | 750 mV | - |
| PSRR / Ripple Rejection Typ | 58 dB | 58 dB | - |
| Ib Input Bias Current | 50 nA | 50 nA | - |
| Line Regulation | 1.5 mV | 1.5 mV | - |
| Load Regulation | - 20 V | - 20 V | - |
| Operating Supply Current | 0.012 mA | 12 uA | - |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | - |
| Factory Pack Quantity | 2000 | 78 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |