FP3843 ic equivalent, off-line current mode pwm control ic.
Precision Reference Voltage: 5.0V (±1%) Low start-up current: typ. 60uA High current totem pole output Low quiescent supply current Internal temperature compensated oscil.
such as the DC/DC converter and off-line switching power supply. Using few external components, FP3843, a high performan.
The FP3843, a 1-chip composed of high-current totem pole output circuits with a PWM latch, current sense comparator and an error amplifier, the FP3843 contains a 5V precision voltage reference regulator, under-voltage lockout circuit (UVLO), oscillat.
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