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SC4437 Datasheet(PDF) 1 Page - Semtech Corporation |
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SC4437 Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 12 page www.semtech.com POWER MANAGEMENT 1 SC4437 Wide Input Voltage Range Precision Voltage Reference Features V IN Voltage Range: VOUT + 0.9V to 28V V OUT: Fixed 3.3V V OUT High Accuracy ( ±1% ) over -40°C to 125°C V OUT Low Temperature Coe cient Output Current up to 20mA Low (< 160µA) Quiescent Current Stable without Compensation Capacitor Available with Compact, Surface Mount SOT-23 Package Pb-Free, Halogen Free, RoHS/WEEE compliant product Applications Bias Supplies High Accuracy Micropower Supplies Data Acquisition Systems Medical Devices Portable Battery Powered Equipment Test Equipment Automotive and Industrial Description The SC4437 is a low power precision series bandgap reference device. It accepts wide input voltage range V OUT + 0.9V to 28V and generates stable output voltage with superior accuracy and low drift over operating temperatures. The SC4437 is ideal for battery powered systems where there can be wide variations in supply voltage and a need to minimize power dissipation. The SC4437 is able to supply up to 20mA output current with excellent line and load regulation characteristics. The output compensation capacitor is optional. It provides user the exibility of compact, low cost design or further noise performance enhanced design. The SC4437 is available in a compact 3-lead surface mount SOT-23 package. Typical Application Circuit September 21, 2009 3.3V IN OUT GND SC4437 C IN 0.1 µF V IN up to 28V (optional) C O |
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