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SP6878 Datasheet(PDF) 1 Page - SYNC POWER Crop. |
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SP6878 Datasheet(HTML) 1 Page - SYNC POWER Crop. |
1 / 8 page 2013/8/1 V3 Page 1 SP6878 Quasi-Resonant PWM Controller DESCRIPTION APPLICATIONS The SP6878 is a low cost, quasi-resonant flyback controller where the maximum frequency is below 100KHz. The internal valley detector ensures the converter operates at quasi-resonant operation over wide range of line voltage. The build-in advanced energy saving function would provide the users a superior AC/DC power application of higher efficiency, low external component counts, and lower cost solution for applications. The SP6878 features more protections or functions for the following characteristics: over voltage protection (OVP); over temperature protection (OTP); over load protection (OLP). SP6878 is available by SOP-8/ DIP-8P packages. AC/DC Switching Power Adaptor Set-top Box Power Supply Open-Frame Switching Power Supply FEATURES PIN CONFIGURATION High-Voltage BCD Process Under Voltage Lockout (UVLO ) Quasi-Resonant Control Internal 4ms Soft Start Over Temperature Latch Shutdown OLP (Over Load Protection) OVP (Over Voltage Protection) on Vcc Pin 100KHz Maximum Frequency 800mA Driving Capability SOP-8/DIP-8 PART MARKING SOP-8/DIP-8P |
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