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DataSheet4U.
com AP3842/3/4/5 High Performance Current Mode PWM Controller „ Features • • • • • • • • • • • „ General Description The AP3842/3/4/5 family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count.
Internally implemented circuits include under voltage lockout featuring start-up current less than 0.
5 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current.
The output stage, suitable for dr...

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