![]() ![]() ![]() The cookies we use can be categorized as follows: Strictly Necessary Cookies: These are cookies that are required for the operation of or specific functionality offered. ![]() The output and the reference output are actively pulled low during undervoltage lockout. The output stage is clamped to a maximum V OUT of 18V in the on state. Trims have been added to the oscillator circuit for both frequency and sink current, and both of these parameters are tightly specified. Leading edge blanking has been added to the current sense comparator. Several new features have been incorporated. Cross-conduction current spikes in the output stage have been eliminated, making 500kHz operation practical. Start-up current has been reduced to less than 250♚. They contain a temperature-compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output stage ideally suited to driving power MOSFETs. The LT1241 series is optimized for off-line and DC/DC converter applications. These devices have both improved speed and lower quiescent current. They are improved plug compatible versions of the industry standard UC1842 series. The LT1241 series devices are 8-pin, fixed frequency, current mode, pulse width modulators. ![]()
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