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24W PrimAccurate™ High Power N-Channel MOSFET Digital PWM Controller for Networking Adapters
Very fast dynamic load response
The iW1767 offers high-performance and very fast dynamic load response (DLR) while maintaining ultra-low no-load power consumption. Ideal for 15-24W AC/DC power supplies for embedded and networking applications, the iW1767 uses Dialog’s advanced digital power supply technology to offer a solution that provides the ruggedness, efficiency and performance necessary in high reliability devices.
The iW1767 easily meets the US DoE’s external power supply standard and the EU’s Code of Conduct, version 5, tier 2 standard, with no-load power consumption less than 20mW while complying with active mode efficiency requirements. As a PrimAccurate™ controller, it does not need any direct secondary-side feedback components, eliminating the need for optocouplers and reducing component count and solution cost. Additional features include an input for the iW628 detection circuit to further increase the response time to load changes, high efficiency across a broad load range and a full complement of protection features to ensure safe and rugged operation.
Meets Energy-Star® AC-DC and AC-AC Power Supply Efficiency Specs (Rev 2.0)
- Less than 20mW No-Load Power Consumption
Optional Secondary-Side Detection Input to Obtain Fast Dynamic Load Response (DLR)
High Output Power Capable - Range of 15W to 24W
Active Start-Up - Reduces Turn-on Time without Impacting No-load Power Consumption
Ultra-low 250uA Operating Current at No-Load
79kHz PWM Switching Frequency
Selectable Voltage Offset Compensation for Voltage Loss in Cables and Connectors (5 Options)
PrimAccurate™- Primary-Side Control, No Opto-Coupler Needed
Intrinsically Low Noise Solution - No Audible Noise Over Entire Operating Range
Adaptive Multi-Mode PWM/PFM Control for Optimal Efficiency Across Load Range
EZ-EMI™ Design to Easily Meet Global EMI Specifications
Fully Protected from Fault Conditions
- Over-Voltage/Over-Temperature Protection
- Output Over-Voltage and Over-Current
- Input Undervoltage Protection
- Sense-Resistor Short Circuit Protection
Power Adapters for Networking Devices and Monitors
Universal Input Power Supplies (15W-24W)