IP2842 modulators equivalent, current mode regulating pulse width modulators.
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* Guaranteed ±1% reference voltage tolerance Guaranteed ±10% frequency tolerance Low start
–up current (<500 mA) Under voltage .
INFORMATION
Oscillator Waveforms and Maximum Duty Cycle
COMP 1 V FB 2 I SENSE 3 R T /C T 4
8 7 6 5
VREF VCC OUTPUT GR.
The IP1842 and IP1843 series of switching regulator control circuits contain all the functions necessary to implement off
–line, current mode switching regulators, using a minimum number of external parts. Functions included are voltag.
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