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首页 > Products > Led Driver > AC/DC Conversion High Voltage LED Driver  > Medium and Small Power Control >CXAC85254E high-power forward power supply scheme and flyback power supply scheme in cost-effective current mode PWM controller
CXAC85254E high-power forward power supply scheme and flyback power supply scheme in cost-effective current mode PWM controller

CXAC85254E is a cost-effective current mode PWM controller, suitable for medium and large power forward power supply scheme and flyback power supply scheme. CXAC85254E built-in jitter function, with excellent EMI characteristics. The CXAC85254E has built-in complete protection functions: VCC undervoltage protection (UVLO), VCC overvoltage protection (VOP), cycle-by-cycle current limit, input undervoltage protection, overload protection, soft start, etc.

CXAC85254E high-power forward power supply scheme and flyback power supply scheme in cost-effective current mode PWM controller
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  1. 1.Product overview       2.Product Features     tfP嘉泰姆

  2. 3.Scope of application       4.Technical Specification Download(PDF Document)tfP嘉泰姆

  3. 5.Product packaging       6.Circuit schematic  tfP嘉泰姆
    7.Related ProductstfP嘉泰姆

Product overview

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CXAC85254E is a cost-effective current mode PWM controller, suitable for medium and large power forward power supply scheme and flyback power supply scheme. CXAC85254E built-in jitter function, with excellent EMI characteristics. The CXAC85254E has built-in complete protection functions: VCC undervoltage protection (UVLO), VCC overvoltage protection (VOP), cycle-by-cycle current limit, input undervoltage protection, overload protection, soft start, etc.

   Product FeaturesReturn to ToptfP嘉泰姆

◼Peak current mode controltfP嘉泰姆

◼Excellent EMI characteristicstfP嘉泰姆
◼Less peripheral devicestfP嘉泰姆
◼External Soft StarttfP嘉泰姆
◼Input undervoltage protectiontfP嘉泰姆
◼VCC undervoltage protectiontfP嘉泰姆
◼optocoupler open circuit protectiontfP嘉泰姆
◼Maximum Duty Cycle 49%tfP嘉泰姆
◼Current Mode ControltfP嘉泰姆
◼External resistor can be set PWM frequency, the highest frequency can reach 500KHZtfP嘉泰姆
◼Cycle-by-cycle current limittfP嘉泰姆
◼Output current capability IO /- 0.5A/0.8AtfP嘉泰姆
◼Built-in leading edge blankingtfP嘉泰姆
◼Low starting currenttfP嘉泰姆
◼Package form SOP8tfP嘉泰姆

   Scope of applicationReturn to ToptfP嘉泰姆

◼LED screentfP嘉泰姆
◼Lithium battery chargertfP嘉泰姆
◼Lead-acid battery chargertfP嘉泰姆
◼AdaptertfP嘉泰姆
◼Motor drive power supplytfP嘉泰姆

   Technical Specification (Product PDF)Return to Top tfP嘉泰姆

If you need detailed PDF specifications, please scan WeChat and contact us. You can also get free samples and technical support.!tfP嘉泰姆
      tfP嘉泰姆
   Product packaging diagramReturn to ToptfP嘉泰姆

  tfP嘉泰姆

   Circuit schematicReturn to ToptfP嘉泰姆

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  Related Chip Selection GuideReturn to Top           More similar products.....tfP嘉泰姆

PFC control chip
Model VCC starting voltage VCC Shutdown Voltage Starting current Quiescent current Voltage accuracy Switching frequency MOS transistor drive current Encapsulation Features
CXSU63307 12.5 9.7 50uA 2.3mA 1% FM 800mA SOP8/DIP8 Boost synchronous rectifier DCDC power chipcritical conduction modePFC Controller
CXSU63306 10.5 9.5 17uA 2m 1.5% 65KHz 1.5A SOP8 Continuous Conduction Mode PFC Controller
High Power AC-DC High Power AC-DC Quasi-Resonant Primary Side Control Constant Current Constant Voltage LLC Forward Flyback Power Supply
Model VCC starting voltage VCC Shutdown Voltage Starting current Quiescent current Switching frequency MOS transistor drive current Encapsulation Features
CXAC85202 8V - - 17mA Peripheral can be set 500mA SOP16/DIP16 Current Mode Push-Pull Half-Bridge PWM Control High Power AC-DC Quasi-Resonant Primary Side Control Constant Current Constant Voltage LLC Forward Flyback Power Supply
CXAC85199 7V - - 6mA Peripheral can be set 200mA SOP16/DIP16 Push-pull half-bridge PWM control high-power AC-DC quasi-resonant primary-side control constant current constant voltage LLC forward-flyback power supply
CXAC85197S 8V - - 14mA Peripheral can be set 500mA SOP16/DIP16 Push-pull half-bridge PWM control high-power AC-DC quasi-resonant primary-side control constant current constant voltage LLC forward-flyback power supply
CXAC85255 16V 8V 200uA 2mA Peripheral capacitance can be set 2A SOP16 600V half-bridge drive PWM controller high power AC-DC quasi-resonant primary side control constant current constant voltage LLC forward and back power supply
CXAC85255S 8.5V 7.5V 200uA 2mA Peripheral capacitance can be set 2A SOP16 Integrated 600V Half-bridge Drive PWM Controller High Power AC-DC Quasi-resonant Primary Side Control Constant Current Constant Voltage LLC Forward Flyback Power Supply
CXAC85256 16.5V 8V 200uA 2mA Peripheral capacitance can be set 2A SOP16 Integrated 600V half-bridge driveDual-Tube Forward Power SupplyChip High Power AC-DC Quasi-Resonant Primary Side Control Constant Current Constant Voltage LLC Forward Flyback Power Supply
CXAC85257 10.5V 7.9V 200uA 2mA FM 0.3A/0.8A SOP16 Integrated 650V half-bridge drive LLC controller high power AC-DC quasi-resonant primary side control constant current constant voltage LLC forward and back power supply
CXAC85258 10.5V 9V 180uA 2.5mA FM 0.8A/1.3A SOP16 Integrated 650V half-bridge drive LLC controller high power AC-DCAC-DC quasi-resonant primary side control constant current constant voltage LLC forward and back power supply
CXAC85259 14V 9V 18uA 2.3mA Peripheral jitter can be set 0.8A/1.3A SOP16 Integration600VHalf-bridge drive forward and flyback control chip high powerAC-DCquasi-resonancePrimary side control constant current constant voltageLLCForward and flyback power supply
Medium Power AC-DC Forward and Flyback Power Supply Medium Power AC-DC
Model VCC starting voltage VCC Shutdown Voltage Starting current Quiescent current Switching frequency Output voltage accuracy Built-in power tube Output power Encapsulation form Features
CXAC85194 12V 6.5V 3uA 0.8mA FM 4% Built-in 710V power transistor 10W SOP7 Primary side feedback constant voltage constant current small power AC-DC forward and back power supply
CXAC85254L 9.7V 7.8V 6uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85254E 14V 9.5V 18uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85254 16V 10.5V 6uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85260 16V 10.5V 6uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85261 16V 10.5V 6uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85262 14V 9V 18uA 2.3mA Peripheral jitter can be set - None Medium power SOP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85263 14V 9V 18uA 2.3mA Peripheral jitter can be set - None Medium power SOP16 Integrated 600V Half-Bridge Drive Current Mode PWM Medium Power AC-DC Forward Flyback Power Supply
CXAC85264 16V 10.5V 6uA 2.3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Forward Flyback Power Supply in Current Mode PWM
CXAC85265 16V 10.5V 6uA 3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Flyback Power Supply in Current Mode PWM
CXAC85266 16V 10.3V 6uA 3mA Peripheral jitter can be set - None Medium power SOP8/DIP8 Power AC-DC Flyback Power Supply in Current Mode PWM
Digital power half-bridge charger scheme dedicated chip
Model Drive Operating frequency algorithm Charging management and protection function Battery Adjustment mode Encapsulation Features
CXAC85267 Integrated 2-way drive drive capability ± 2A 50K 3p3z Constant Voltage and Constant Current Double Loop Algorithm   Lead acid and lithium battery PC debugging assistant LQFP64 Digital power half-bridge charger scheme dedicated chiptfP嘉泰姆
Ø * Multi-stage charging strategytfP嘉泰姆
Ø * Output voltage current soft starttfP嘉泰姆
Ø * LED indicatortfP嘉泰姆
Ø * Battery detection and anti-reverse connection protectiontfP嘉泰姆
Ø * InputDCBus overvoltage and undervoltage protectiontfP嘉泰姆
Ø * Fan and relay controltfP嘉泰姆
Ø *over-temperature protectionwithtemperature compensationtfP嘉泰姆
Ø * Output overload,Short circuit protection

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Next▶:Cxac85254 High Performance PWM Controller-Lithium Battery Charger/Adapter/Motor Drive Power Solution

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