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LTC2916 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2916 Datasheet(HTML) 1 Page - Linear Technology |
1 / 12 page LTC2915/LTC2916 1 29156fa TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Voltage Supervisor with 27 Selectable Thresholds The LTC ®2915/LTC2916 are low voltage single-supply monitors with selectable thresholds. The parts operate from 1.5V to 5.5V and consume a quiescent current of only 30μA. Two three-state inputs select one of nine internally pro- grammed thresholds without the need for external resistors. For the LTC2915, an additional three-state input determines the tolerance (–5%, –10%, –15%). The tolerance for the LTC2916 is fixed at –5%. Threshold accuracy is guaranteed at ±1.5% over the entire operating temperature range. Glitch filtering ensures reliable reset operation without false triggering. The reset timeout may be set to 200ms or adjusted using an external capacitor. A separate manual reset input on the LTC2916 allows a simple push button interface. Operation to 125°C makes the LTC2915 and LTC2916 suitable for automotive applications. 1.8V, –5% Tolerance Supply Monitor n 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2.5V, 1.8V 1.5V, 1.2V, 1.0V, +ADJ (0.5V) n 3 Selectable Tolerances –5%, –10%, –15% (LTC2915) n Manual Reset Input (LTC2916) n 1.5V to 5.5V Supply Operation n 6.2V Shunt Regulator for High Voltage Operation n Guaranteed Operation to 125˚C n Guaranteed Threshold Accuracy: ±1.5% n Low Quiescent Current: 30μA Typical n Power Supply Glitch Immunity n Guaranteed RST for VCC ≥ 0.8V n Low Profile (1mm) 8-Lead TSOT-23 (ThinSOT TM) and (3mm × 2mm) DFN Packages n Handheld Devices n Cell Phone Base Stations n Automotive Control Systems n Network Servers n Optical Networking Systems NOMINAL VOLTAGE SEL1 SEL2 12V VCC VCC 5V VCC Open 3.3V VCC GND 2.5V Open VCC 1.8V Open Open 1.5V Open GND 1.2V GND VCC 1V GND Open ADJ (0.5V) GND GND Monitor Selection Table L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. 1.8V 10k 29156 TA01 VM tRST = 200ms RT SEL1 SEL2 MR GND VCC VCC LTC2916 μP RST RESET 0.1μF |
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