Micropower low-dropout linear regulator supplies a fixed 3.3 V positive output at up to 200 mA. The regulator operates from a 1.6 V to 45 V input range and has a typical 300 mV dropout voltage at full load. Low-noise operation is supported with a reference bypass capacitor, and shutdown current is less than 3 µA. The MSOP exposed-pad package is rated for the E-grade operating junction temperature range of -40 °C to 125 °C and includes output discharge, reverse-battery protection, current-limit foldback, and thermal shutdown.
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| Regulator Type | Positive fixed low-dropout linear regulator |
| Output Voltage | 3.3V |
| Output Current | 200mA |
| Input Voltage Range | 1.6 to 45V |
| Typical Dropout Voltage | 300 at 200 mAmV |
| Maximum Dropout Voltage | 530 at 200 mAmV |
| Quiescent Current | 45 typicalµA |
| Shutdown Current | <3µA |
| Output Noise | 30 typical, 10 Hz to 100 kHzµV RMS |
| Output Tolerance | ±2 over load, line, and temperature% |
| Minimum Output Capacitor | 3.3µF |
| Operating Junction Temperature | -40 to 125°C |
| Package | 8-lead plastic MSOP exposed pad |
| Protections | Reverse-battery, reverse-current, current-limit foldback, thermal shutdown |
| Output Discharge | NMOS pull-down when SHDN or IN is low |
| Lead Free Finish | Yes |
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