- Manufacturer Part Number : LTC7860MPMSE#PBF
- Manufacturer : AD
- Description : High Efficiency Switching Surge Stopper IC
- Series : LTC7860
- Reference Price : USD 7.344
- Our Price : We have a better price, contact us by email
- Product Type : Surge Stopper, Overvoltage & Overcurrent Protection
- Function : -
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 12-Lead MSOP w/ EP
- Pins : 12
- MFG Package Case : 05-08-1666
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 37
- Working Temperature : -55 to 125C
- Other Part Number : LTC7860MPMSE#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 LTC7860 high efficiency surge stopper protects loads from high voltage transients. High efficiency permits higher currents and smaller solution sizes. During an input overvoltage event, such as a load dump in vehicles, the LTC7860 controls the gate of an external MOSFET to act as a switching DC/DC regulator (PROTECTIVE PWM mode). This operation regulates the output voltage to a safe level, allowing the loads to operate through the input over-voltage event. During normal operation (SWITCH-ON mode), the LTC7860 turns on the external MOSFET continuously, passing the input voltage through to the output. An internal comparator limits the voltage across the current sense resistor and regulates the maximum output current to protect against overcurrent faults.
An adjustable timer limits the time that the LTC7860 can spend in overvoltage or overcurrent regulation. When the timer expires, the external MOSFET is turned off until the LTC7860 restarts after a cool down period. By strictly limiting the time in PROTECTIVE PWM Mode when the power loss is high, the components and thermal design can be optimized for normal operation and safely operate through high voltage input surges and/or overcurrent faults. An additional PMOS can be added for reverse battery protection.
Applications
- Industrial and Automotive Power
- Telecom Power
- Vehicle Power Including ISO7637
- Military Power Including MIL1275
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.