LTC2916
Voltage Supervisor with 9 Selectable Thresholds and Manual Reset Input
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Overview
Features and Benefits
- 9 Selectable Supply Voltages
- 12V, 5V, 3.3V, 2.5V, 1.8V
- 1.5V, 1.2V, 1.0V, +ADJ (0.5V)
- 3 Selectable Tolerances
- –5%, –10%, –15% (LTC2915)
- Manual Reset Input (LTC2916)
- 1.5V to 5.5V Supply Operation
- 6.2V Shunt Regulator for High Voltage Operation
- Guaranteed Operation to 125°C
- Guaranteed Threshold Accuracy: ±1.5%
- Low Quiescent Current: 30µA Typical
- Power Supply Glitch Immunity
- Guaranteed RST for VCC = 0.8V
- Low Profile (1mm) 8-Lead TSOT-23 (ThinSOT™) and(3mm × 2mm) DFN Packages
Product Details
The LTC2915/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.
Applications
- Handheld Devices
- Cell Phone Base Stations
- Automotive Control Systems
- Network Servers
- Optical Networking Systems
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Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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