Datasheet for ADUM4471:
- Manufacturer Part Number : ADUM4471
- Manufacturer : AD
- Description : Isolated Switch Regulator with Quad-Channel Isolators (3/1 Channel Directionality)
- Series : ADUM4471
- Reference Price : USD 3.56
- Our Price : We have a better price, contact us by email
- Product Type : Digital Isolation Technology
- Function : isoPower
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADUM4471
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
Contact us to check the best price and real time inventory quantity for ADUM4471. If you need any more information about ADUM4471, you can also send us by email. Our email is [email protected], we will reply you in 12 hours.
- For 2500 V rms isolation, please visit the ADuM3471 product page
- Isolated PWM feedback with built in compensation
- Primary side transformer driver for up to 2.5 W output power with
5 V input voltage - Regulated adjustable output:
3.3 V to 24 V - Up to 80% efficiency
- Quad dc-to-25 Mbps (NRZ) signal isolation channels
- 200 kHz to 1 MHz adjustable oscillator
- Soft start function at power-up
- Pulse-by-pulse overcurrent protection
- Thermal shutdown
- 5000 V rms isolation
- High common-mode transient immunity: >25 kV/µs
- 20-lead SOIC package with
- 8.3 mm creepage
- High temperature operation: 105°C
The ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474 are quad-channel, digital isolations with a regulated DC/DC isolated power supply controller with an internal MOSFET driver. The DC/DC controller has an internal isolated PWM feedback from the secondary side based on the iCoupler® chip scale transformer technology and complete loop compensation. This eliminates the need to use an optocoupler for feedback and compensates the loop for stability.
The ADuM447x isolator provides a more stable output voltage and higher efficiency compared to unregulated isolated DC/DC jpower supplies. The fully integrated feedback and loop compensation in a wide-body SOIC package provide a smaller form factor and 8.3 mm creepage distance solution. The regulated feedback provides a relatively flat efficiency curve over the full output power range. The ADuM3070 enables a DC/DC converter with a 3.3 V to 24 V isolated output voltage range from either a 5.0 V or a 3.3 V input voltage, with an output power of up to 2.5 W.
The ADuM447x isolators provide four independent isolation channels in a variety of channel configurations and data rates. (The x in ADuM447x throughout this data sheet stands for the ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474).
Applications
- Power supply startup bias and gate drives
- Isolated sensor interfaces
- Process controls
- RS-232/RS-422/RS-485 transceivers
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.
