UC1842B-D controller equivalent, high performance current mode pwm controller.
* Operation output switching frequency up to 500 kHz * Automatic feed forward compensation * Latching PWM for cycle-by-cycle current limiting * High current totem pole ou.
with minimal external parts count.
The differences between UC1842B-D and UC1843B-D are the under-voltage lockout thresho.
The UTC UC1842B-D/1843B-D are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count.
The differences between UC1842B-D and UC1843B-D are.
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