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Description
The OB2269CPA is a current mode PWM control IC that falls under the category of IC chips designed for high-performance, low standby power, and cost-effective offline flyback converter applications with 20W power or more. It features a programmable PWM switching frequency that is trimmed to a tight range and is externally controlled. Additionally, this IC can operate in an extended burst mode at no load or light load conditions to minimize switching loss, which results in lower standby power and higher conversion efficiency.
Specifications and Features
- Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
- Audio Noise Free Operation
- External Programmable PWM Switching Frequency
- Internal Synchronized Slope Compensation
- Low VIN/VDD Startup Current (4uA) and Low Operating Current (2.3mA)
- Leading Edge Blanking on Current Sense Input
- Complete Protection Coverage With Auto Self Recovery
- External Programmable Over Temperature Protection (OTP)
- With or Without On-chip VDD OVP for Output Over Voltage Protection
- Under Voltage Lockout with Hysteresis (UVLO)
- Gate Output Maximum Voltage Clamp (18V)
- Line Compensated Cycle-by-Cycle Over-Current Threshold Setting For Constant Output Current Limiting Over Universal Input Voltage Range (OCP)
- Over Load Protection (OLP)
- On-Bright Proprietary Frequency Shuffling Technology for Improved EMI Performance (OB2269 only)
Application Scenarios
The OB2269CPA is best suited for offline AC/DC flyback converter applications in various devices including Laptop Power Adaptors, PC/TV/Set-Top Box Power Supplies, Open-frame SMPS, and Battery Chargers.
Comparison
Advantages- Low standby power
- High conversion efficiency
- Complete protection coverage
- Improved EMI performance (OB2269 only)
Disadvantages- No notable disadvantages were found in this model
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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Additional Information
- Datasheet: Download OB2269CPA
- Chipdatas Part: CD89-OB2269CPA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 02:40 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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