Datasheet for LTC2938CDE#PBF:
- Manufacturer Part Number : LTC2938CDE#PBF
- Manufacturer : AD
- Description : Configurable 4-Supply Monitors with Watchdog Timer IC
- Series : LTC2938
- Reference Price : USD 1.72
- Our Price : We have a better price, contact us by email
- Product Type : Supervisory Circuits
- Function : Quad or More Supply Monitors
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 12-Lead DFN (4mm x 3mm w/ EP)
- Pins : 12
- MFG Package Case : 05-08-1695
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 91
- Working Temperature : 0 to 70C
- Other Part Number : LTC2938CDE#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The LTC2938/LTC2939 are configurable supply monitors for systems with up to four or six supply voltages that need watchdog supervision. One of sixteen preset or adjustable voltage monitor combinations can be selected using an external resistive divider connected to the program input. The preset voltage thresholds are accurate to ±1.5% over temperature. The LTC2938 and LTC2939 also feature adjustable inputs with a 0.5V nominal threshold.
The reset and watchdog timeout periods are adjustable using external capacitors. Tight voltage threshold accuracy and glitch immunity ensure reliable reset operation without false triggering. The RST output is guaranteed to be in the correct state for VCC down to 1V. Each status output has a weak internal pull-up and may be externally pulled up to a user-defined voltage.
The 80μA supply current makes the LTC2938 and LTC2939 ideal for power conscious systems. The LTC2939 monitors up to six supplies and the LTC2938 monitors up to four supplies.
Applications
- Desktop and Notebook Computers
- Multivoltage Systems
- Telecom Equipment
- Network Servers
- Automotive Control Systems
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.
