LT3845AIFE#PBF - Brand New Analog Devices / Linear Technology DC DC Switching Controllers
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Description
The LT®3845AIFE#PBF is a high voltage, synchronous, current mode controller used for medium to high power, high efficiency supplies. It offers a wide 4V to 60V input range (7.5V minimum start-up voltage). An onboard regulator simplifies the biasing requirements by providing IC power directly from VIN. Burst Mode® operation maintains high efficiency at light loads by reducing IC quiescent current to 120μA. Light load efficiency is also improved with the reverse inductor current inhibit function which supports discontinuous operation.
Specifications and features
■ High Voltage Operation: Up to 60V
■ Synchronizable Up to 600kHz
■ Adjustable Constant Frequency: 100kHz to 500kHz
■ Output Voltages Up to 36V
■ Adaptive Nonoverlap Circuitry Prevents Switch Shoot-Through
■ Reverse Inductor Current Inhibit for Discontinuous Operation Improves Efficiency with Light Loads
■ Programmable Soft-Start
■ 120μA No Load Quiescent Current
■ 10μA Shutdown Supply Current
■ 1% Regulation Accuracy
■ Standard Gate N-Channel Power MOSFETs
■ Current Limit Unaffected by Duty Cycle
■ Reverse Overcurrent Protection
■ 16-Lead Thermally Enhanced TSSOP Package, 16-Pin PDIPApplication Scenarios
■ 12V and 42V Automotive and Heavy Equipment
■ 48V Telecom Power Supplies
■ Avionics and Industrial Control Systems
■ Distributed Power ConvertersComparison
Advantages- High voltage operation up to 60V
- Synchronizable up to 600kHz
- Output voltages up to 36V
- Programmable soft-start
- Reverse inductor current inhibit for discontinuous operation improves efficiency with light loads
Disadvantages- None identified
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Similar parts: 3823 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Popular parts of the same kind
- Datasheet: Download LT3845AIFE#PBF
- Chipdatas Part: CD94-LT3845AIFE#PBF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 08:28 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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