LM137, LM337-N

SNVS778D – MAY 1999 – REVISED APRIL 2013

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Vertical sensitivity, 5 mV/div

Figure 3.

10 ms. This performance is thus well inside the specification limit of 0.02%/W × 10W = 0.2% max. When the

10W pulse is ended, the thermal regulation again shows a 3 mV step at the LM137 chip cools off. Note that the

load regulation error of about 8 mV (0.08%) is additional to the thermal regulation error. In Figure 4, when the

10W pulse is applied for 100 ms, the output drifts only slightly beyond the drift in the first 10 ms, and the thermal

error stays well within 0.1% (10 mV).

Horizontal sensitivity, 20 ms/div

Figure 4.

6

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