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PrimAccurate™ Off-Line Digital PWM Controller in a SOT-23 Package
< 30mW standby power
The iW1676 is a high performance AC/DC controller designed to drive a low-cost BJT power switch in peak current mode PWM flyback power supplies up to 5W. Ideal for power adapters for smartphones, the iW1676 integrates Dialog’s PrimAccurate™ digital primary-side control, eliminating the need for the secondary-side optocoupler, reducing component count and solution cost.
The iW1676 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 30mW. Additional features include Dialog's proprietary EZ-EMI™ technology, quasi-resonant control for optimal efficiency at heavy loads, cable and connector voltage drop compensation options, full protection from fault conditions and tiny packaging.
Easily Meets DoE External Power Supply and EU Code of Conduct, Version 5, Tier 2 Standards
- Less than 30mW No-Load Power Consumption
Low 1.7uA Start-Up Current
64kHz PWM Switching Frequency
Voltage Offset Compensation for Voltage Loss in Cables and Connectors (4 Options)
PrimAccurate™ - Primary-Side Control, No Optocoupler Needed
Intrinsically Low Noise Solution - No Audible Noise Over Entire Operating Range
Quasi-resonant Control for Optimal Efficiency
EZ-EMI™ Design to Easily Meet Global EMI Specifications
Fast Dynamic Load Regulation
Tiny SOT-23-5 Package
Fully Protected from Fault Conditions
- Over-Temperature Protection
- Output Over-Voltage and Over-Current
- Input Undervoltage Protection
- Sense-Resistor Short Circuit Protection
Power Adapters for Portable Electronics
Consumer Electronics Power Supplies
Linear AC/DC Power Supply Replacement