穩(wěn)壓IC tl3842

tl3842p,tl3842dr,tl3842bp

optimized for off-line and dc-to-dc
converters
low start-up current (<1 ma)
automatic feed-forward compensation
pulse-by-pulse current limiting
enhanced load-response characteristics
undervoltage lockout with hysteresis
double-pulse suppression
high-current totem-pole output
internally trimmed bandgap reference
500-khz operation
error amplifier with low output
resistance
designed to be interchangeable with
uc2842 and uc3842 series