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NCP1910B65DWR2G PFC IC Continuous Conduction (CCM) 245kHz 24-SOIC
Housed in a SO−24WB package, the NCP1910 combines a state-of-the-art circuitry aimed to powering next generation of ATX or flat TVs converters. With a 65 or 100 kHz Continuous Conduction Mode Power Factor Controller and a LLC controller hosting a high-voltage driver, the NCP1910 is ready to power 85+ types of offline power supplies. To satisfy stringent efficiency considerations, the PFC circuit implements an adjustable frequency fold back to reduce switching losses as the load is going light. To cope with all the signal sequencing required by the ATX and flat TVs specifications, the controller includes several dedicated pins enabling handshake between the secondary and the primary sides. These signals include a power-good line but also a control pin which turns the controller on and off via an opto coupler. Safety-wise, a second OVP input offers the necessary redundancy in case the main feedback network would drift away. Finally, a fast fault input immediately reacts in presence of an over current condition by triggering an auto-recovery soft-start sequence.
Features
• Fixed-Frequency 65 or 100 kHz CCM Power Factor Controller
• Average Current-Mode Control for Low Line Distortion
• Independent Over Voltage Protection Sensing Pin with Latch-off Capability
• Adjustable Frequency Fold Back Improves Light Load Efficiency
• Adjustable Line Brown-Out Protection with 50 ms Delay to Help Meeting Hold-up Time Specifications
• Programmable Over current Threshold Leads to an Optimized Sensing Resistor
• ±1 A peak Current Drive Capability
• LLC Controller Operates from 25 kHz to 500 kHz
• On Board 600 V High-Voltage Drivers
• 1 A/0.5 A Sink/Source Capability
• Minimum Frequency Precision Down to ±3% Over Temperature Range
• Internally Fixed Dead-Time Value of 300 ns
• Adjustable Soft-Start Sequence
• Fast Fault Input with Soft-Start Trigger for Immediate Auto-recovery Protection
• On/Off Control Pin for Secondary-Based Remote Control
• On-Board 5 V Reference Voltage for Precise Thresholds/Hysteresis Adjustments
• Power Good Output Management Signal
• A Version with Dual Ground Pinout (No Skip), B Version with Single Ground and Skip Operation for the LLC Controller
• 20 V Operation
• These are Pb-Free Devices
Typical Applications
• Multi Output ATX Power Supplies (A version)
• Flat TVs Power Supplies (B version)
MARKING DIAGRAM
specification of NCP1910B65DWR2G
Category
Integrated Circuits (ICs) Power Management (PMIC) PFC (Power Factor Correction)
Product Status
Active
Mode
Continuous Conduction (CCM)
Frequency - Switching
245kHz
Current - Startup
100 µA
Mounting Type
Surface Mount
Package / Case
24-SOIC (0.295", 7.50mm Width), 23 Leads
Supplier Device Package
24-SOIC
ORIGINAL
Our company ensures that each batch of products comes from the original factory, and can provide original labels and professional testing agency reports.
PRICE
We provide a variety of quotation channels, and sign the order contract after negotiation.
TRANSACTION
After communication and agreement, we will guide you to arrange payment.
DELIVERY CYCLE
Delivery on the same day, generally 5-12 working days, may be slightly delayed during the epidemic, we will follow up the whole process.
TRANSPORT
We will choose the appropriate transportation mode according to your country.
PACKAGING
After communication with you, we will choose the appropriate packaging method according to the weight of the goods to ensure the safe delivery of the goods.
Shenzhen Xinyuanpeng Technology Co., Ltd. is a special distributor focusing on electronic components of global famous brands.
It mainly distributes TI, ST, RENESAS, INFINEON, MICROCHIP, NXP, ON, DIODES and other domestic and foreign brands, and is a well-known wholesaler and channel pro... Shenzhen Xinyuanpeng Technology Co., Ltd. is a special distributor focusing on electronic components of global famous brands.
It mainly distributes TI, ST, RENESAS, INFINEON, MICROCHIP, NXP, ON, DIODES and other domestic and foreign brands, and is a well-known wholesaler and channel pro...
