LINEAR TECHNOLOGY LTC1698 Manual

Update: 30 September, 2023

The LTC1698 is a precision secondary-side forward converter controller that synchronously drives external N-channel MOSFETs. It is designed for use with the LT3781 primary-side synchronous forward converter controller to create a completely isolated power supply. The LT3781 synchronizes the LTC1698 through a small pulse transformer and the LTC1698 drives a feedback optocoupler to close the feedback loop. Output accuracy of ±0.8% and high efficiency over a wide range of load currents are obtained. The LTC1698 provides accurate secondary-side current limit using an external current sense resistor. The input voltage at the MARGIN pin provides ±5% output voltage adjustment. A power good flag and overvoltage input are provided to ensure proper power supply conditions. An auxiliary 3.3V logic supply is included that supplies up to 10mA of output current.

Brand: LINEAR

File format: PDF

Size: 1048 KB

MD5 Checksum: F55C7939232716ADDA68D0AEADE8D27C

Publication date: 08 May, 2012

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PDF Link: LINEAR TECHNOLOGY LTC1698 Manual PDF

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