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SA3846SE

SA3846 adopts constant frequency current mode control, which improves the line voltage regulation rate and load response characteristics of the system, and simplifies the design of the control loop. SA3846 has built-in precision bandgap adjustable reference voltage, high frequency oscillator, error amplifier, differential current detection amplifier, undervoltage locking circuit and soft start circuit. It has the functions of push-pull transformation, automatic symmetry correction, parallel movement, external shutdown, double pulse suppression and dead time adjustment.


Main features:

u  Automatic feedforward compensation.

u  Programmable pulse by pulse current limiting function

u  Automatic symmetry correction under push-pull output structure

u  Good load response characteristics

u  It can run in parallel and is suitable for module system

u  Built in differential current detection amplifier, wide common mode input range

u  Dual pulse suppression function

u  High current totem column output, output peak current 500mA

u  Precision bandgap reference power supply, accuracy ± 1%

u  Built in undervoltage locking circuit

u  Built in soft start circuit

u  With external shutdown function

u  Operating frequency up to 500KHz



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