Datasheet for DC1973A:
- Manufacturer Part Number : DC1973A
- Manufacturer : AD
- Description : Active Rectifier Controller with Reverse Protection IC
- Series : LT8672
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : PowerPath, Ideal Diodes & Load Switches
- Function : -
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LT8697 Demo Board | 6V = VIN = 42V, 5V @ 2.5A USB Supply Output, Cable Drop Compensation
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1973A
- 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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- AEC-Q100 Qualified for Automotive Applications
- Reverse Input Protection to –40V
- Improved Performance Compared to a Schottky Diode
- Reduce Power Dissipation by >90%
- Reduce Drop to 20mV
- Ultrafast Transient Response
- Rectifies 6VP-P Up to 50kHz
- Rectifies 2VP-P Up to 100kHz
- Wide Operating Voltage Range: 3V to 42V
- Low 20µA Quiescent Current in Operation
- Low 3.5µA Shutdown Current
- Accurate 1.21V Enable Pin Threshold
- Small 10-Lead MSOP Package, 10-Lead 3mm × 2mm DFN Package and 3mm × 2mm Side-Wettable DFN Package
The LT8672 is an active rectifier controller for reverse input protection. It drives an external N-channel MOSFET to replace a power Schottky diode. Its very low quiescent current and fast transient response meet the tough requirements in automotive applications where AC input signals of up to 100kHz are present. These signals are rectified with minimum power dissipation on the external FET, simplifying thermal management on the PCB.
With a drop of only 20mV, the LT8672 solution eases the minimum input voltage requirement during cold crank and start-stop, allowing simpler and more efficient circuits. If the input power source fails or is shorted, a fast turn-off minimizes reverse current transients. An available shutdown mode reduces the quiescent current to 3.5μA.
An integrated auxiliary boost regulator provides the required boost voltage to turn the external FET fully on. A power good pin signals when the external FET is ready to take load current.
Applications
- Automotive Battery Protection
- Industrial Supplies
- Portable Instrumentation
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.
