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INN3264C Dataheets PDF



Part Number INN3264C
Manufacturers Power Integrations
Logo Power Integrations
Description Off-Line CV/CC QR Flyback Switcher
Datasheet INN3264C DatasheetINN3264C Datasheet (PDF)

InnoSwitch3-CP Family Off-Line CV/CC QR Flyback Switcher IC with Integrated Primary Switch, Synchronous Rectification, FluxLink Feedback and Constant Power Profile Product Highlights Highly Integrated, Compact Footprint • Up to 94% efficiency across full load range • Quasi-Resonant (QR) / CCM flyback controller, high-voltage switch4, secondary-side sensing and synchronous rectification driver • Integrated FluxLink™, HIPOT-isolated, feedback link • Easily interfaces to load-directed and fast c.

  INN3264C   INN3264C



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InnoSwitch3-CP Family Off-Line CV/CC QR Flyback Switcher IC with Integrated Primary Switch, Synchronous Rectification, FluxLink Feedback and Constant Power Profile Product Highlights Highly Integrated, Compact Footprint • Up to 94% efficiency across full load range • Quasi-Resonant (QR) / CCM flyback controller, high-voltage switch4, secondary-side sensing and synchronous rectification driver • Integrated FluxLink™, HIPOT-isolated, feedback link • Easily interfaces to load-directed and fast charge protocol ICs • Constant Power (CP) Profile minimizes charging time with continuous adjustment of output current and voltage • Accurate CV/CC/CP, independent of external components • External IS resistor allows custom CC programming • Instantaneous transient response with 0%-100%-0% load step • PowiGaN™ technology – up to 100 W without heat sinks (INN3278C, INN3279C and INN3270C) EcoSmart™ – Energy Efficient • Less than 30 mW no-load including line sense • Easily meets all global energy efficiency regulations • Low heat dissipation Advanced Protection / Safety Features • Secondary switch or diode short-circuit protection • Open SR FET-gate detection • 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 • Reinforced isolation • Isolation voltage >4000 VAC • 100% production HIPOT testing • UL1577 isolation voltage 4000 VAC (max), TUV (EN62368-1), CQC (GB4943.1) and DIN VDE V 0884-11 safety approved • Excellent noise immunity enables designs that achieve class “A” performance criteria for EN61000-4 suite; EN61000-4-2, 4-3 (30 V/m), 4-4, 4-5, 4-6, 4-8 (100 A/m) and 4-9 (1000 A/m) Green Package • Halogen free and RoHS compliant Applications • High efficiency flyback designs up to 100 W • USB PD / QC / proprietary protocol chargers Description The InnoSwitch™3-CP family of ICs dramatically simplifies the design and manufacture of flyback power converters, particularly those requiring high efficiency and/or compact size. The InnoSwitch3-CP family incorporates primary and secondary controllers and safety-rated feedback into a single IC. InnoSwitch3-CP family devices incorporate multiple protection features including line over and undervoltage protection, output overvoltage 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 quick charge and USB PD designs. The devices are available with and without cable-drop compensation. SR FET FWD SR GND BPS FB D InnoSwitch3-CP Primary Switch and Controller S V BPP Figure 1. Typical Application Schematic. VOUT RS IS Secondary Control IC PI-8322-072419 Figure 2. High Creepage, Safety-Compliant InSOP-24D Package. Output Voltage (V) PI-8321-082317 VPK CC set by IS pin resistor (RS) Output Current (A) Figure 3. Typical Constant Power Characteristics. Output Power Table Product 3,4 230 VAC ± 15% Adapter1 Open Frame2 85-265 VAC Adapter1 Open Frame2 INN3264C/3274C 20 W 25 W 15 W 20 W INN3265C/3275C 25 W 30 W 22 W 25 W INN3266C/3276C 35 W 40 W 27 W 36 W INN3277C 40 W 45 W 36 W 40 W INN3267C 45 W 50 W 40 W 45 W INN3268C 55 W 65 W 50 W 55 W INN3278C 70 W 75 W 55 W 65 W INN3279C 80 W 85 W 65 W 75 W INN3270C 90 W 100 W 75 W 85 W Table 1. Output Power Table. Notes: 1. Minimum continuous power in a typical non-ventilated enclosed adapter measured at 40 °C ambient. (package temperature <125 °C). 2. Minimum peak power capability. 3. Package: InSOP-24D. 4. INN326x ‒ 650 V MOSFET, INN3274-77 ‒ 725 V MOSFET, INN3278 / INN3279 / INN3270 ‒ 750 V PowiGaN switch. www.power.com This Product is Covered by Patents and/or Pending Patent Applications. November 2022 + + + + InnoSwitch3-CP DRAIN (D) GATE UNDER/OVER INPUT VOLTAGE (V) PRIMARY BYPASS REGULATOR PRIMARY BYPASS (BPP) LINE INTERFACE UV/OV GATE ENABLE BPP/UV AUTO-RESTART COUNTER RESET PRIM-CLK OSCILLATOR/ TIMERS JITTER ENABLE FAULT PRIMARY BYPASS PIN CAPACITOR SELECT AND CURRENT LIMIT PRIMARY BPP/UV BYPASS PIN UNDERVOLTAGE VILIM VSHUNT VBP+ Power Switch SenseFET IS THERMAL SHUTDOWN tON(MAX) tOFF(BLOCK) GATE GATE BPP OV/UV DRIVER LEB BPP/UV ILIM QS QR FAULT SecREQ PRIM/SEC tOFF(BLOCK) SECLATCH SecPulse PRIM/SEC RECEIVER CONTROLLER PRIM-CLK From Secondary Controller + VILIM - tON(MAX) LATCH-OFF/ AUTO-RESTART PRIMARY OVP LATCH/ AUTO-RESTART SOURCE (S) Figure 4. Primary Controller Block Diagram. PI-8044h-111219 FORWARD (FWD) SYNCRONOUS RECTIFIER DRIVE (SR) OUTPUT VOLTAGE (VOUT) VOUT INH ENABLE SR SR CONTROL FORWARD BPSUV REGULATOR V.


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