Datasheet Si86Px (Skyworks) - 6

DATA SHEET Si86Px Table 2. WB SOIC-20 Pin Descriptions Pin Number Pin Name Description
1 DNC Do not connect 2 VI Power supply for integrated power 3 GNDI Integrated power primary side ground 4 GNDI Integrated power primary side ground 5 VDD1 Primary side signal power supply 6 GND1 Primary side signal ground 7 A1 Signal channel 1 on the VDD1 side 8 A2 Signal channel 2 on the VDD1 side 9 A3 Signal channel 3 on the VDD1 side 10 A4 Signal channel 4 on the VDD1 side 11 B4 Signal channel 4 on the VDD1 side 12 B3 Signal channel 3 on the VDD1 side 13 B2 Signal channel 2 on the VDD1 side 14 B1 Signal channel 1 on the VDD2 side 15 VDD2 Secondary-side signal power supply 16 CTRL Output voltage control input 17 GND2 Secondary-side signal ground 18 DNC Do not connect 19 GNDO Integrated power secondary side ground 20 VO Integrated power output Skyworks Solutions, Inc. • Phone [949] 231-3000 • sales@skyworksinc.com • www.skyworksinc.com 207353A • Skyworks Proprietary Information • Products and Product Information are Subject to Change without Notice 6 March 23, 2026 Document Outline Applications Features Safety Regulatory Approvals (Pending) Description 1. Functional Block Diagrams 2. Pin Descriptions 2.1. WB SOIC-16 2.2. WB SOIC-20 3. Functional Description 3.1. Digital Isolation 3.2. Power Isolation 3.2.1. DC-to-AC Conversion 3.2.2. AC-to-AC Conversion 3.2.3. AC-to-DC Conversion 4. Digital Isolator Device Operation 4.1. Logic Operation 4.2. Device Startup 4.3. Undervoltage Lockout 4.4. Thermal Protection 4.5. Fault Tolerance and Protection 4.5.1. Overload/Short Circuit Protection 4.5.2. Time-Out Block 4.5.3. Overvoltage Protection 5. Electrical Specifications 5.1. Si86P5x: 5 V Supply Input and 3.3 to 5 V Continuous Supply Output 5.2. Si86P4x: 3.3 V to 5 V Continuous Supply Input and 3.3 V Supply Output 5.3. Si86P3x: 3.3 V Supply Input and 3.3 V Supply Output 5.4. Supply Input Current Characteristics 5.5. Electrical Characteristics—Digital Isolator 5.5.1. Logic Input and Output Characteristics 5.5.2. Supply Current Characteristics 5.6. Timing Characteristics 5.7. Typical Performance Characteristics 5.8. Thermal Characteristics 5.9. Safety Certifications and Specifications (Pending) 6. Application Information 6.1. Recommended Application Circuits 6.2. Power Supply and Layout Considerations 6.3. Hysteretic Control and Programmable Output Voltage 7. Package and Handling Information 7.1. WB SOIC-16 Top Marking 7.2. WB SOIC-20 Top Marking 7.3. WB SOIC-16 Package 7.4. WB SOIC-20 Package 7.5. WB SOIC-16 Land Pattern 7.6. WB SOIC-16 Tape and Reel Information 7.7. WB SOIC-20 Land Pattern 7.8. WB SOIC-20 Tape and Reel Information 8. Ordering Information 9. Revision History