InnoSwitch3-CE Family Off-Line CV/CC QR Flyback Switcher IC with Integrated 650 V MOSFET, Synchronous Rectification and FluxLink Feedback. For Applications up to 65 W Product Highlights Highly Integrated, Compact Footprint Up to 94% efficiency across full load range Incorporates a multi-mode Quasi-Resonant (QR) / CCM flyback SR FET controller, 650 V MOSFET, secondary-side sensing and synchronous rectification driver Integrated FluxLink, HIPOT-isolated, feedback link Exceptional CV/CC accuracy, independent of external components Adjustable accurate output current sense using external sense resistor D V EcoSmart Energy Efficient InnoSwitch3-CE Less than 15 mW no-load including line sense VOUT Primary FET Easily meets all global energy efficiency regulations and Controller Low heat dissipation S BPP IS Secondary Advanced Protection / Safety Features Control IC Secondary MOSFET or diode short-circuit protection Open SR FET-gate detection Figure 1. Typical Application schematic. PI-8179-090717 Fast input line UV/OV protection Optional Features Cable-drop compensation with multiple settings Variable output voltage, constant current profiles Auto-restart or latching fault response for output OVP/UVP Multiple output UV fault thresholds Latching or hysteretic primary over-temperature protection Full Safety and Regulatory Compliance Figure 2. High Creepage, Safety-Compliant InSOP-24D Package. Reinforced isolation Isolation voltage >4000 VAC 100% production HIPOT testing Output Power Table UL1577 and TUV (EN60950) safety approved Excellent noise immunity enables designs that achieve class A 230 VAC 15% 85-265 VAC performance criteria for EN61000-4 suite EN61000-4-2, 4-3 3 Product (30 V/m), 4-4, 4-5, 4-6, 4-8 (100 A/m) and 4-9 (1000 A/m) Open Open 1 1 Adapter Adapter 2 2 Frame Frame Green Package Halogen free and RoHS compliant INN3162C 10 W 12 W 10 W 10 W Applications INN3163C 12 W 15 W 12 W 12 W High efficiency flyback designs up to 65 W INN3164C 20 W 25 W 15 W 20 W High current charger and adaptors for mobile devices INN3165C 25 W 30 W 22 W 25 W Consumer electronics set-top boxes, networking, gaming, LED INN3166C 35 W 40 W 27 W 36 W Description INN3167C 45 W 50 W 40 W 45 W The InnoSwitch3-CE family of ICs dramatically simplifies the design INN3168C 55 W 65 W 50 W 55 W and manufacture of flyback power converters, particularly those requiring high efficiency and/or compact size. The InnoSwitch3-CE Table 1. Output Power Table. family incorporates primary and secondary controllers and safety-rated Notes: feedback into a single IC. 1. Minimum continuous power in a typical non-ventilated enclosed typical size adapter measured at 40 C ambient. Max output power is dependent on the InnoSwitch3-CE family devices incorporate multiple protection features design, with condition that package temperature must be <125 C. including line over and under-voltage protection, output over-voltage 2. Minimum peak power capability. 3. Package: InSOP-24D. and over-current limiting, and over-temperature shutdown. Devices are available that support the common combinations of latching and auto-restart behaviors required by applications such as chargers, adapters, consumer electronics and industrial systems. The devices are available with and without cable-drop compensation. www.power.com August 2018 This Product is Covered by Patents and/or Pending Patent Applications. FWD SR GND BPS FBInnoSwitch3-CE DRAIN UNDER/OVER PRIMARY BYPASS (D) INPUT VOLTAGE (V) (BPP) PRIMARY BYPASS REGULATOR ENABLE ENABLE FAULT AUTO-RESTART PRIMARY LINE COUNTER GATE BYPASS PIN BPP/UV INTERFACE RESET UNDERVOLTAGE PRIMARY BPP/UV BYPASS PIN PRIM-CLK CAPACITOR SELECT AND UV/OV CURRENT V SHUNT OSCILLATOR/ LIMIT V V ILIM BP+ GATE TIMERS JITTER t t ON(MAX) OFF(BLOCK) GATE THERMAL SHUTDOWN GATE PRIM/SEC FAULT SecREQ OV/UV BPP From LATCH-OFF SecPulse Secondary SenseFET PRIM/SEC Controller Power Q S MOSFET Q R RECEIVER SEC- DRIVER CONTROLLER LATCH BPP/UV t LEB OFF(BLOCK) I S PRIM-CLK ILIM + LATCH-OFF PRIMARY OVP V - ILIM LATCH t ON(MAX) PI-8044-083017 SOURCE (S) Figure 3. Primary Controller Block Diagram. FORWARD SYNCRONOUS RECTIFIER DRIVE OUTPUT VOLTAGE (FWD) (SR) (VOUT) SR CONTROL REGULATOR FORWARD 4.4 V INH ENABLE BPS SECONDARY UV VOUT SR BYPASS (BPS) DETECTOR 4.4 V S Q 3.9 V + R Q SR THRESHOLD QR HANDSHAKE/ SECONDARY LATCH-OFF LATCH INH CONTROL DCM To FEEDBACK Primary (FB) Receiver INH FEEDBACK DRIVER VREF QR CABLE DROP COMPENSATION/ FEEDBACK COMPENSATION Ts MAX V PK CONSTANT t OFF(MIN) POWER t SECINH(MAX) OSCILLATOR/ IS THRESHOLD TIMER t SS(RAMP) SECONDARY ISENSE GROUND (IS) (GND) PI-8045a-091217 Figure 4. Secondary Controller Block Diagram. 2 Rev. D 08/18 www.power.com - + - + - + - +