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LT4430 - Secondary-Side Optocoupler Driver

Key Features

  • ES 600mV Reference (1.25% Over Temperature) Wide Input Supply Range: 3V to 20V Overshoot Control Function Prevents Output Overshoot on Startup and Short-Circuit Recovery High Bandwidth Error Amplifier Permits Simple Loop Frequency Compensation Ground-Referenced OptoCoupler Drive 10mA OptoCoupler Drive with Current Limiting Low Profile (1mm) ThinSOTTM Package.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LT4430 Secondary-Side Optocoupler Driver www.datasheet4u.com ■ ■ ■ FEATURES 600mV Reference (1.25% Over Temperature) Wide Input Supply Range: 3V to 20V Overshoot Control Function Prevents Output Overshoot on Startup and Short-Circuit Recovery High Bandwidth Error Amplifier Permits Simple Loop Frequency Compensation Ground-Referenced OptoCoupler Drive 10mA OptoCoupler Drive with Current Limiting Low Profile (1mm) ThinSOTTM Package DESCRIPTIO ■ The LT®4430 drives the optocoupler that crosses the galvanic barrier in an isolated power supply. The IC contains a precision-trimmed reference, a high bandwidth error amplifier, an inverting gain of 6 stage to drive the optocoupler and unique overshoot control circuitry. The LT4430’s 600mV reference provides ±0.75% initial accuracy and ±1.