The LM5032 dual current mode PWM controller contains allthe features needed to control either two independent forwarddc/dc converters or a single high current convertercomprised of two interleaved power stages. The two controllerchannels operate 180° out of phase thereby reducinginput ripple current. The LM5032 includes a startup regulatorthat operates over a wide input range up to 100V andcompound (bipolar + CMOS) gate drivers that provide arobust 2.5A peak sink current. The adjustable maximumPWM duty cycle reduce stress on the primary side MOSFETswitches. Additional features include programmable lineunder-voltage lockout, cycle-by-cycle current limit, hiccupmode fault operation with adjustable response time, PWMslope compensation, soft-start, and a 2 MHz capable oscillatorwith synchronization capability.
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