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LTC2916

Linear Technology
Part Number LTC2916
Manufacturer Linear Technology
Description Voltage Supervisor
Published May 31, 2010
Detailed Description LTC2915/LTC2916 Voltage Supervisor with 27 Selectable Thresholds FEATURES 9 Selectable Supply Voltages 12V, 5V, 3.3V, 2....
Datasheet PDF File LTC2916 PDF File

LTC2916
LTC2916


Overview
LTC2915/LTC2916 Voltage Supervisor with 27 Selectable Thresholds FEATURES 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 www.
DataSheet4U.
com 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 V CC ≥ 0.
8V n Low Profile (1mm) 8-Lead TSOT-23 (ThinSOTTM) and (3mm × 2mm) DFN Packages n DESCRIPTION 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 programmed 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.
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.
APPLICATIONS n n n n n Handheld Devices Cell Phone Base Stations Automotive Control Systems Network Servers Optical Networking Systems TYPICAL APPLICATION 1.
8V, –5% Tolerance Supply Monitor 1.
8V 0.
1μF VCC LTC2916 VM RT MR GND RST SEL1 SEL2 tRST = 200ms 10k VCC μP RESET 29156 TA01 Monitor Selection Table NOMINAL VOLTAGE 12V 5V 3.
3V 2.
5V 1.
8V 1.
5V 1.
...


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