Economy single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0-70C

The TL284x and TL384x series of

control integrated circuits provide the features that are necessary to implement

off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum

number of external components. Some of the internally implemented circuits are an

undervoltage lockout (UVLO), featuring a start-up current of less than 1mA, and a

precision reference trimmed for accuracy at the error amplifier input. Other

internal circuits include logic to ensure latched operation, a pulse-width

modulation (PWM) comparator (that also provides current-limit control), and a

totem-pole output stage designed to source or sink high-peak current. The output

stage, suitable for driving N-channel MOSFETs, is low when it is in the off

state.