Texas Instruments UC3843P Die Shots

Ivo van Poorten of the Netherlands has donated many interesting chips for study. Among them is our smallest chip to date, a Texas Instruments UC3843P current mode PWM controller. Here is it's datasheet.

1600 x 1297 JPG 1.33 MB
4500 x 3647 JPG 8 MB
4500 x 3647 PNG 233 kb
We only needed to shoot 25 images to cover this tiny die. These were taken on 7/26/2011 by Greg James in San Francisco, then transmitted to the UK where Christian Sattler automatically corrected and stitched them together using a combination of Autopano-sift-C and custom code. A map of stitched images is shown on the right.

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