AP384XC 电流型PWM控制器数据手册

The AP3842C/3C/4C/5C are high performance fixed

frequency current-mode PWM controller series.

These integrated circuits are opTImized for off-line and

DC-DC converter applicaTIons with minimum external

components. They feature under-voltage lockout

(UVLO) circuit with low start-up current, trimmed

oscillator for precise duty cycle control, current sense

comparator providing maximum current limiTIng and a

totem pole output stage for increasing output current.

In addiTIon, these ICs also feature accurate protection

against over-temperature, over-current and maximal

output power.

The AP3842C and AP3844C have UVLO thresholds

of 16V(on) and 10V(off); The corresponding thresholds

for AP3843C and AP3845C are 8.4 V(on) and

7.6V(off).