Datasheet for EVAL-ADUM4471EBZ:
- Manufacturer Part Number : EVAL-ADUM4471EBZ
- Manufacturer : AD
- Description : Isolated Switch Regulator with Quad-Channel Isolators (0/4 Channel Directionality) IC
- Series : ADUM4474
- Reference Price : USD 0
- 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 : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : EVAL-ADUM4471EBZ
- 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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- For 2500 V rms isolation - Please visit the ADuM3474 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.
