Allicdata Part #: | LTC2918IMS-B1#TRPBF-ND |
Manufacturer Part#: |
LTC2918IMS-B1#TRPBF |
Price: | $ 3.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC VOLT SUPERVISOR 10-MSOPSupervisor Open Drain or... |
More Detail: | N/A |
DataSheet: | LTC2918IMS-B1#TRPBF Datasheet/PDF |
Quantity: | 10135 |
1 +: | $ 3.00000 |
10 +: | $ 2.85000 |
50 +: | $ 2.80000 |
100 +: | $ 2.75000 |
500 +: | $ 2.70000 |
1000 +: | $ 2.65000 |
2500 +: | $ 2.63000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | Multi-Voltage Supervisor |
Number of Voltages Monitored: | 1 |
Output: | Open Drain or Open Collector |
Reset: | Active Low |
Reset Timeout: | 150 ms Minimum |
Voltage - Threshold: | 27 Selectable Threshold Combinations |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
Supplier Device Package: | 10-MSOP |
Base Part Number: | LTC2918 |
1. DESCRIPTION
The LTC®2917-A/LTC2917-B and LTC2918-A/LTC2918-B are low voltage single-supply monitors with selectable thresholds and an adjustable watchdog timer. 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 LTC2917, an additional three state input determines the tolerance (–5%, –10%, –15%). The tolerance for the LTC2918 is fi xed at –5%. Threshold accuracy is guaranteed at ±1.5% over the entire operating temperature range.
Glitch fi ltering ensures reliable reset operation without false triggering.
The reset timeout and the watchdog timeout may be set with no external components, or adjusted using an external capacitor. A windowed watchdog feature is available for high-reliability applications (B1 versions). A separatemanual reset input on the LTC2918-A/LTC2918-B allows a simple push button interface.
Operation to 125°C makes the LTC2917-A/LTC2917-B and LTC2918-A/LTC2918-B suitable for automotive applications.
2. FEATURES
1. 9 Selectable Supply Voltages
12V, 5V, 3.3V, 2.5V, 1.8V
1.5V, 1.2V, 1V, +ADJ (0.5V)
2. 3 Selectable Tolerances
–5%, –10%, –15% (LTC2917)
3. Manual Reset Input (LTC2918)
4. 1.5V to 5.5V Supply Operation
5. Adjustable Watchdog Timeout
6. Windowed Watchdog Timeout for Higher Reliability Applications (LTC2917-B, LTC2918-B)
7. 6.2V Shunt Regulator for High Voltage Operation
8. Guaranteed Operation to 125°C
9. Guaranteed Threshold Accuracy: ±1.5%
10. Low Quiescent Current: 30μA Typical
11. Power Supply Glitch Immunity
12. Guaranteed RST for VCC ≥ 0.8V
13. 10-Lead MSOP Packages and (3mm × 2mm) DFN Packages
3. APPLICATIONS
1. Handheld Devices
2. Cell Phone Base Stations
3. Automotive Control Systems
4. Network Servers
5. Optical Networking Systems
4. TYPICAL APPLICATION
5. PIN CONFIGURATION
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