Datasheet InnoSwitch3-EP (Power Integrations)

InnoSwitch3-EP
Family Off-Line CV/CC QR Flyback Switcher IC with Integrated Primary Switch, Synchronous Rectification and FluxLink Feedback
Product Highlights Highly Integrated, Compact Footprint
• Very high efficiency across full load range SR FET • Incorporates a multi-mode Quasi-Resonant (QR) / CCM flyback controller, high-voltage switch, secondary-side sensing and synchro- nous rectification driver • Excellent multi-output cross regulation with weighted secondary-side regulation (SSR) feedback and synch FETs
D V FWD SR GND BPS FB InnoSwitch3-EP
• Integrated FluxLink™, HIPOT-isolated, feedback link
VOUT
Optional Primary Switch Current • Exceptional CV/CC accuracy, independent of external components and Controller Sense • Adjustable accurate output current sense using external output sense
S BPP IS
Secondary Control IC resistor
EcoSmart™ – Energy Efficient
PI-8184-072419 • Less than 30 mW no-load including line sense Figure 1. Typical Application Schematic. • Easily meets all global energy efficiency regulations • Low heat dissipation
Advanced Protection / Safety Features
• Open SR FET-gate detection • Fast input line UV/OV protection Figure 2. High Creepage, Safety-Compliant InSOP-24D Package. • Auto-restart fault response for output OVP • 725 V / 750 V switch rating series for excellent surge withstand
Output Power Table
• 900 V switch rating series for industrial design or extra safety margin 725 V Switch
Optional Features Product3
230 VAC ± 15% 85-265 VAC • Auto-restart output UV protection with option for peak power delivery
Peak or Peak or Open Frame1,2 Open Frame1,2 Full Safety and Regulatory Compliance
• Reinforced isolation
INN3672C
12 W 10 W • Isolation voltage >4000 VAC
INN3673C
15 W 12 W • 100% production HIPOT testing
INN3674C
25 W 20 W • UL1577 and TUV (EN60950) safety approved
INN3675C
30 W 25 W • Excellent noise immunity enables designs that achieve class “A” performance criteria for EN61000-4 suite; EN61000-4-2, 4-3
INN3676C
40 W 36 W (30 V/m), 4-4, 4-5, 4-6, 4-8 (100 A/m) and 4-9 (1000 A/m)
INN3677C
45 W 40 W
Green Package
750 V Switch • Halogen free and RoHS compliant
Product3
230 VAC ± 15% 85-265 VAC
Applications Peak or Peak or Open Frame1,2 Open Frame1,2
• Auxiliary, standby and bias power supplies for appliances, computers and consumer products
INN3679C
85 W 75 W • Utility meter, smart grid and industrial power supplies
INN3670C
100 W 85 W
Description
900 V Switch The InnoSwitch™3-EP family of ICs dramatical y simplifies the design
Product3
230 VAC ± 15% 85-265 VAC and manufacture of flyback power converters, particularly those
Peak or Peak or
requiring high efficiency and/or compact size. The InnoSwitch3-EP
Open Frame1,2 Open Frame1,2
family combines primary and secondary control ers and safety-rated
INN3692C
12 W 10 W feedback into a single IC.
INN3694C
25 W 20 W InnoSwitch3-EP family devices incorporate multiple protection features
INN3696C
35 W 30 W including line over and undervoltage protection, output overvoltage Table 1. Output Power Table. and over-current limiting, and over-temperature shutdown. Devices are Notes: available with standard and peak power delivery options, and 1. Minimum continuous power in a typical non-ventilated enclosed typical size commonly used auto-restart protection behaviors. adapter measured at 40 °C ambient. Max output power is dependent on the design. With condition that package temperature must be < 125 °C. 2. Minimum peak power capability. 3. Package: InSOP-24D. www.power.com July 2019 This Product is Covered by Patents and/or Pending Patent Applications. Document Outline Product Highlights Description Output Power Table Pin Functional Description InnoSwitch3-EP Functional Description Primary Controller Secondary Controller Applications Example Key Application Considerations Selection of Components Components for InnoSwitch3-EP Primary-Side Circuit Components for InnoSwitch3-EP Secondary-Side Circuit Recommendations for Circuit Board Layout Layout Example Quick Design Checklist Absolute Maximum Ratings Thermal Resistance Typical Performance Curves InSOP-24D Package Drawing InSOP-24D Package Marking Part Ordering Table MSL Table ESD and Latch-Up Table Part Ordering Information