Secondary Side Average Current Mode Controller

The UC1826 family of average current mode controllers accurately accomplishes secondary side average current mode control. The sec- ondary side output voltage is regulated by sensing the output voltage and differentially sensing the AC switching current. The sensed output voltage drives a voltage error Amplifier The AC switching current, mon- itored by a Current Sense resistor, drives a high bandwidth, low offset current error Amplifier The output of the voltage error Amplifier CAN be used to drive the current Amplifier which Filters the measured inductor current. Fast transient response is accomplished by utilizing voltage feedforward in generating the PWM ramp. The UC1826 features load share, Oscillator synchronization, undervolt- age lockout, and programmable output control. Multiple chip operation CAN be achieved by connecting up to ten UC1826 chips in parallel.The SHARE bus and CLKSYN bus provide load sharing and synchroniza- tion to the fastest Oscillator respectively.With its tailored bandwidth, the UC1826 provides excellent noise immunity and is an ideal controller to achieve high power, secondary side average current mode control. By Texas Instruments
UC2826 's PackagesUC2826 's pdf datasheet
UC1826
UC3826




UC2826 Pinout, Pinouts
UC2826 pinout,Pin out
This is one package pinout of UC2826,If you need more pinouts please download UC2826's pdf datasheet.

UC2826 Application circuits
UC2826 circuits
This is one application circuit of UC2826,If you need more circuits,please download UC2826's pdf datasheet.


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