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SG2526BJ

High-Reliability Isolated Switching Regulators;

The SG1526B is a high-performance pulse width modulator for switching power supplies which offers improved functional and electrical characteristics over the industry-standard SG1526. A direct pin-for-pin replacement for the earlier device with all its features, it incorporates the following enhancements: a bandgap reference circuit for improved regulation and drift characteristics, improved undervoltage lockout, lower temperature coefficients on oscillator frequency and current-sense threshold, tighter tolerance on softstart time, much faster SHUTDOWN response, improved double-pulse suppression logic for higher speed operation, and an improved output driver design with low shoot-through current, and faster rise and fall times. This versatile device can be used to implement single-ended or push-pull switching regulators of either polarity, both transformer-less and transformer-coupled. The SG1526B is specified for operation over the full military ambient temperature range of -55°C to 150°C. The SG2526B is characterized for the industrial range of -25°C to 150°C, and the SG3526B is designed for the commercial range of 0°C to 125°C.

SG2526BJ

REGULATING PULSE WIDTH MODULATOR

DESCRIPTION TheSG1526Bisahigh-performancepulsewidthmodulatorforswitchingpowersupplieswhichoffersimprovedfunctionalandelectricalcharacteristicsovertheindustry-standardSG1526.Adirectpin-for-pinreplacementfortheearlierdevicewithallitsfeatures,itincorporatesthefo

SG2526BJ

REGULATING PULSE WIDTH MODULATOR

SG2526BN

REGULATINGPULSEWIDTHMODULATOR

DESCRIPTION TheSG1526Bisahigh-performancepulsewidthmodulatorforswitchingpowersupplieswhichoffersimprovedfunctionalandelectricalcharacteristicsovertheindustry-standardSG1526.Adirectpin-for-pinreplacementfortheearlierdevicewithallitsfeatures,itincorporatesthefo

SG2526BN

REGULATINGPULSEWIDTHMODULATOR

SG2526DW

REGULATINGPULSEWIDTHMODULATOR

FEATURES ?8to35voltoperation ?5Vreferencetrimmedto±1 ?1Hzto350KHzoscillatorrange ?Dual100mAsource/sinkoutputs ?Digitalcurrentlimiting ?Doublepulsesuppression ?Programmabledeadtime ?Undervoltagelockout ?Singlepulsemetering ?Programmable