Improved Current Mode PWM Controller

The UC3856 is a high performance version of the popular UC3846 series of current mode controllers, and is intended for both design upgrades and new applications where speed and accuracy are important. All input to output delays have been minimized, and the Current Sense output is slew rate limited to reduce noise sensitivity. Fast 1.5A peak output stages have been added to allow rapid switching of power FETs
A low impedance TTL compatible sync output has been implemented with a tri-state function when used as a sync input.
Internal chip grounding has been improved to minimize internal noise caused when driving large capacitive loads. This, in conjunction with the improved differential Current Sense Amplifier results in enhanced noise immunity.
Other features include a trimmed Oscillator current (8%) for accurate frequency and dead time control; a 1V, 5% shutdown threshold; and 4kV minimum ESD protection on all pins.
By Texas Instruments
UC2856M 's PackagesUC2856M 's pdf datasheet
UC2856J DIP




UC2856M Pinout, Pinouts
UC2856M pinout,Pin out
This is one package pinout of UC2856M,If you need more pinouts please download UC2856M's pdf datasheet.

UC2856M Application circuits
UC2856M circuits
This is one application circuit of UC2856M,If you need more circuits,please download UC2856M's pdf datasheet.


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