Dual micropower low-dropout regulator supplies 100 mA per channel from a 1.8 V to 20 V input range. Adjustable outputs operate from a 1.22 V reference up to 20 V, with typical dropout of 300 mV at 100 mA. Output noise is 20 µV RMS over 10 Hz to 100 kHz with a 0.01 µF bypass capacitor, and quiescent current is 20 µA per channel. Independent shutdown controls reduce supply current to less than 0.1 µA, while internal protection provides reverse-battery, current-limit, thermal-limit, and reverse-current protection. The device is offered in thermally enhanced 10-lead DFN and MSOP packages for operation from -40 °C to 125 °C.
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| Regulator type | Dual low-dropout linear regulator |
| Number of outputs | 2 |
| Output current per channel | 100mA |
| Input voltage range | 1.8 to 20V |
| Adjustable output voltage range | 1.22 to 20V |
| Reference voltage | 1.22 typicalV |
| Dropout voltage at 100 mA | 300 typical, 450 maximummV |
| Quiescent current per channel | 20 typicalµA |
| Shutdown current | <0.1µA |
| Output noise | 20 typical, 10 Hz to 100 kHzµV RMS |
| Minimum output capacitor | 1µF |
| Bypass capacitor for low noise | 0.01µF |
| Ripple rejection | 65 typical at 120 HzdB |
| Current limit | 200 typicalmA |
| Operating junction temperature range | -40 to 125°C |
| Storage temperature range | -65 to 150°C |
| Package options | 10-lead 3 mm x 3 mm plastic DFN; 10-lead plastic MSOP |
| Protection features | Reverse battery, current limiting, thermal limiting, reverse current protection |
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