OB2201/T
Quasi Resonant PWM Controller
Features:Up to 90% full load efficiency Programmable soft startHigh precision output OVPIC VDD OVPMulti-mode QR controlOptimized over power protection (OPP) Upper frequency clamp at 90KHzQR mode 52kHz lower frequency clamping600mA gate drive capability Built-in over temperature protectionSelectable built-in Latch shutdown for strong system reliability Available in DIP8 and SOP8 packages,RoHS compliantDescription:OB2201 is a QR PWM Controller dedicated for 20W~65W power range offline applications. Reduced switching loss and improved EMI performance are achieved through QR control. The optimized loading/ frequency adaptive design will benefit average efficiency and help to meet EPS2.0 requirement.Applications:EPC AdapterDLP Projector/RPD Power DVD/STB Player PowerHome Appliance PowerTypical Application:TMGreenEngine Technology
for Green Power13Quasi Resonant PWM Controller
Description:OB2202 is a QR PWM Controller designed for offline applications. Reduced switching loss and improved EMI performance are achieved through Quasi Resonance control. OB2202 can achieve greater than 90% full-load efficiency and high reliability with its perfect protection function.OB2202
Features:Up to 90% full load efficiency Built-in high precision brown out/recovery moduleProgrammable soft startInput over voltage protection (Line OVP)High precision output OVPMulti-mode QR control1A gate drive capabilityIC VDD OVPOptimized over power protection (OPP) Upper frequency clamp at 130KHzBuilt-in over temperature protectionSelectable built-in latch shutdown for strong system reliability Available in DIP8 and SOP8 packages,RoHS compliantApplications:Notebook AdapterCRT/LCD/PDP TV PowerDLP Projector/RPD Power DVD Player PowerHome Appliance PowerTypical Application:GreenEngine Technology
TM14 for Green PowerOB2203
Quasi Resonant PWM Controller
Features:PFC power supply control function integrated for PFC shutdown at no load and light load condition. Programmable soft startProgrammable load OVPMulti-Mode quasi resonance control for efficiency improve-ment and EMI optimize1A gate drive capabilityBuilt-in slope compensation for better stability at low/high power designUpper frequency clamp at 130Khz for better EMISelectable built-in latch shutdown for strong system reliabil-ityAvailable in DIP8 and SOP8 packages,RoHS compliantDescription:OB2203 is a highly integrated Quasi-Resonant controller optimized for high performance offline flyback converter applications. Reduced switching loss and improved EMI performance is achieved through Quasi Resonance control. A built-in P-channel MOSFET and its control are integrated to automatically turn on/off PFC stage according to the load conditions.Applications:Notebook AdapterCRT/LCD/PDP TV PowerDLP Projector/RPD PowerHome Appliance PowerTypical Application:TMGreenEngine Technology
for Green Power15OB2361
Features:Multi-Mode Operation: At Full Loading, Fixed Frequency (52KHz) CCM Operation at Low Line and QR Mode Operation at High Line Input Quasi-Resonant Operation at Loading ranges from Medium to full loading Pulse Frequency Modulation (PFM) Operation at Light Load Burst Mode at No LoadAdaptive Frequency Shuffling at Fixed Frequency CCM ModeSlope Compensation at Fixed Frequency CCM Mode 4ms Soft-startOver Load ProtectionOver Current ProtectionPin Open/Short ProtectionOutput Over Voltage ProtectionAvailable in SOT23-6 packages, RoHS compliantHigh efficiency, adaptive multi-mode PWM Controller
Description:OB2361 is a high performance adaptive multi-mode PWM controller, for flyback application. It is optimized to achieve high efficiency in the universal input range and all loading with effective system cost.At full loading, the IC operates in fixed frequency (52KHz) CCM mode in the low line input voltage and it operates in QR mode in high line input voltage.Applications:Power Adapter and Open-frame SMPSSet-Top Box Power SuppliesNotebook/DVDTypical Application:TMGreenEngine Technology
for Green Power17Low Power PWM Control IC
Description:OB2262/OB2263 is a highly integrated PWM controller IC specially designed for low power AC/DC SMPS applica-tions. Implemented with On-Bright patented proprietary technology, OB2262/OB2263 can provide a “No Y-CAP”AC/DC solution with distin-guished advantages in low standby power, high efficiency, superior OCP compensation and a better EMI performance.OB2262/OB2263
Features:High performance, high power density design for low power SMPSLow BOM count and CostCycle-by-Cycle current limiting(OCP)Over load protection (OLP)VDD over voltage protection (OVP)Accurate OCP compensation over universal AC Frequency shuffling function to improve system EMI performance (OB2263) supporting no Y-Cap designAvailable in DIP8 and SOT23-6 packages,RoHS compliantApplications:STB Power SupplyLCD TV/PC Standby PowerLow Power AC/DC SMPS(up to 30W)Typical Application:GreenEngine Technology
TM18 for Green PowerOB2268/OB2269
Features:Built-in leading edge blanking(LEB) at current sense inputVDD over voltage protection (OVP)Over temperature protection (OTP)VDD under voltage lockout with hysteresis (UVLO)Over load protection (OLP)Built-in line compensated OCP achieving balanced OCP over universal inputFrequency shuffling improving EMI performance (OB2269 only)Available in DIP8 and SOP8 packages,RoHS compliantHigh Performance Current Mode PWM Controller
Description:OB2268/OB2269 is a highly integrated PWM control IC designed for AC/DC switch mode power applications. Implemented with On-Bright patented proprietary technology, it achieves low standby power and high efficiency at reduced BOM cost. It also features comprehensive protection coverage and performance enhancement (EMI, etc).Applications:LCD Monitor/TV PowerDVD PowerNotebook AdapterPC/TV/Set-Box PowerTypical Application:TMGreenEngine Technology
for Green Power19PWM Control IC with Latch Shutdown
Description:OB2278/OB2279 is a highly integrated high performance PWM controller IC used in AC/DC switch mode power supply applications. Incorporated with On-Bright patented proprietary technology, OB2278/OB2279 helps to achieve low system standby power and high efficiency at reduced BOM cost.OB2278/OB2279 features variable latch shutdown protection options. Frequency shuffling technique is implemented in OB2279 to reduce challenge in system EMI design.OB2278/OB2279
Features:Built-in power on soft start to reduce power MOSFET requirementVDD over voltage protection(OVP) – latch shutdownOver temperature protection(OTP) – auto recovery or latch shutdownHigh integration with low BOM countExtended burst mode control for improved efficiency and low standby power designAudio Noise Free OperationInternal Synchronized Slope CompensationLeading Edge Blanking on Current Sense InputVDD Under Voltage Lockout with Hysteresis (UVLO)Over Load Protection(OLP) – Auto Recovery or Latch ShutdownBuilt-in OCP Compensation to Achieve small OPP Variation over Universal AC Input RangeFlexible Latch Shutdown Combinations: OVP; OVP+OTP; OVP+OTP+OLPAvailable in DIP8 and SOP8 packages,RoHS compliantApplications:LCD Monitor, LCD TVNotebook AdapterOpen-Frame SMPSTypical Application:GreenEngine Technology
TM20 for Green PowerOB2287/OB2288
High Power PWM Control IC
Features:1500mA gate drive capability with optimized drive controlBuilt in brown out/recovery control to improve system reliability without adding extra costPower on soft startBuilt-in leading edge blanking(LEB) at sense inputFrequency shuffling for system EMI improvementWide VDD input range with VDD OVP latch and clamp protections.Noise immunity designInternal selectable latch shutdown to improve system reliability Available in DIP8 and SOP8 packages,RoHS compliantDescription:OB2287/OB2288 is a high perfor-mance PWM control IC designed for high power AC/DC switch-mode power supply applications. OB2287 is designed for flyback applications while OB2288 is for forward mode with maximum duty cycle of 50%. OB2287/OB2288 is optimized by incorporating performance and protection features to support customer requirements with reduced application complexity, reduced BOM cost and reduced design cycle time.Applications:LCD TV, LCD Monitor Printer PowerPower Adapter PC PowerNotebook AdapterTypical Application:TMGreenEngine Technology
for Green Power21OB6561P/OB6563
High Performance PFC Controller
Features:Transition mode operation with built-in analog multiplierTHD optimizationSystem open loop protection Proprietary audio noise eliminationDynamic and static output over voltage protection(OVP)Cycle-by-Cycle current limitingBurst mode control for improved efficiency at light loadExternal ENA/disable controlUnder voltage lockout with hysteresis (UVLO)Built in current sense filter, no external RC filter is neededGreen mode operation (OB6563) Available in DIP8 and SOP8 packages,RoHS compliantDescription:OB6561P/OB6563 is a high perfor-mance transition mode(TM) Power Factor Correction(PFC) control IC. Designed with On-Bright patented proprietary technology, OB6561P/OB6563 optimizes tradition transition mode control easily achiev-ing system power factor to close to 1 with very low THD. OB6561P/OB6563 is full compliant with both IEC61000-3-2 and JEIDA- MITI requirements on THD control.Applications:LCD TV POWER SupplyAdapterPC PowerLighting PowerTypical Application:TMGreenEngine Technology
for Green Power238-Pin CCM PFC Controller
Description:OB6572/OB6573 is 8-pin Power Factor Correction (PFC) controller IC designed to operate in Continuous Conduction Mode (CCM) with average current control. It provides near-unity power factor for universal input line voltage (85VAC-265VAC) with no need to sense the input voltage. The switching frequency can be internally fixed (OB6573) or externally programmable (OB6572). Frequency shuffling is integrated for better EMI. OB6572/OB6573 includes all neces-sary protections to ensure safe system operation.OB6572/OB6573
Features:8-Pin solution without sensing line voltageAverage current control modeInternally fixed switching frequency (OB6573) Externally programmable switching frequency (OB6572)Frequency shuffling for better EMIVery low shutdown currents (typcial 250uA)Maximum duty cycle of 97%Input brown-out protection (OB6573)Cycle by cycle peak current limitSoft over current protectionOutput over voltage protectionOpen loop protectionEnhanced dynamic responseSoft startOn chip thermal shutdownFast 1.5A gate driveAvailable in DIP8 and SOP8 packages,RoHS compliantApplications:LCD/Flat TVServer and Desktop Power SuppliesAC adapters and other off-line SMPSTypical Application:GreenEngine Technology
TM24 for Green PowerOB6663
Features:Integrated transition mode (TM) PFC controller and Quasi-Resonant (QR) PWM controllerBuilt-in dual output PFC controlAdjustable PFC ON/OFF control Meet EPS2.0 with less than 300mW standby power consumptionMulti-Mode operation for QR stageAnalog multiplier with built-in THD optimizer for PFC stageLine feed-forward compensation for PFC stageQuick startup and enhanced dynamic response for PFC stagePFC burst mode when light loading and low line inputMinimum QR short circuit power consumptionAudio noise free operationAvailable in SOP16 and DIP16 packages,RoHS compliantHigh Performance TM PFC+QR Combo Controller
Description:OB6663 is a monolithic IC which integrates a transition mode power factor correction (TM PFC) controller and a Quasi-Resonant (QR) controller. TM PFC provides low system cost solutions with low harmonic distortion and high power factor. QR provides higher efficiency and lower EMI compared to conventional PWM system. The built-in advanced energy saving with high level protections of OB6663 makes it a best candidate for power supplies which need PFC function.Applications:Notebook AdapterOpen-frame SMPSWhite GoodsTypical Application:TMGreenEngine Technology
for Green Power25Single Stage PFC/Flyback PWM Controller
Description:SN03A is a PFC controller specially designed for single stage flyback PWM control in lighting applications. It features an internal start-up timer for stand-alone applications, an analog multiplier with for power factor correction (PFC), zero current detector (ZCD) to ensure TM operation, a current sensing comparator with built-in leading-edge blanking (LEB), and a totem pole output driving external power MOSFET to achieve good reliability and EMI optimization.SN03A
Features:Low Start-up Current and Operating CurrentCycle-by-Cycle Current LimitingInternal Leading Edge Blanking (LEB)Analog multiplier for Power Factor CorrectionInternal Startup Timer for Stand-alone ApplicationsUnder Voltage Lockout (UVLO) with HysteresisVCC over voltage protection (OVP)Transition Mode (TM) OperationTotem Pole Output with High State ClampingAudio Noise Free OperationAvailable in DIP8 and SOP8 packages, RoHS compliantApplications: Single Stage High PF Flyback AC/DC SMPSTypical Application:LED+LED- LED Lighting PowerACSN03AFBCOMPMULTCSVCCGDGNDZCDGreenEngine Technology
TM28 for Green Power
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