Features: • Guaranteed ±1% reference voltage tolerance• Guaranteed ±10% frequency tolerance• Low startup current (<500 mA)• Under voltage lockout with hysteresis• Output state completely defined for all supply and input conditions• Interchangeable with UC1842...
IP1843: Features: • Guaranteed ±1% reference voltage tolerance• Guaranteed ±10% frequency tolerance• Low startup current (<500 mA)• Under voltage lockout with hysteresis• Ou...
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Switching Converters, Regulators & Controllers 9999V 30A POL MCM
• Guaranteed ±1% reference voltage tolerance
• Guaranteed ±10% frequency tolerance
• Low startup current (<500 mA)
• Under voltage lockout with hysteresis
• Output state completely defined for all supply and input conditions
• Interchangeable with UC1842 and UC1843 series for improved operation
• 500kHz operation
The IP1843 series of switching regulator control circuits contain all the functions necessary to implement offline, current mode switching regulators, using a minimum number of external parts. Functions included are voltage reference, error amplifier, current sense comparator, oscillator, totem pole output driver and under-voltage lockout circuitry.
Although pin compatible with the IP1843 series, SEMELAB has incorporated several improvements in the IP1842 and IP1843 series allowing tighter and more complete specification of electrical performance.