SA3846SE
SA3846 adopts constant frequency current mode control, which improves the line voltage regulation rate and load response charac🧸teristics of the system, and simplifies the design of the control loop. SA3846 has built-in precision bandgap adjustable reference voltage, high frequency oscillator, err🔯or 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 P🗹rogrammable pulse by pulse cu🎶rrent limiting function
u Automatic s♒ymmetry correction under push-pull output structure
u Good load response characteristics
u It can run in paไrallel and is♕ suitable for module system
u Buil🎃t in differential current detection amplifier, wide common mode input range
u Dual pulse suppression function
u High curre🦋nt totem column output, output peak current 500mA
u Pre𓆉cision 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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