LM337
* The 10 µF capacitors are optimal to improve ripple rejection.
Figure 17. Current regulator
Typical application
Figure 18. Negative regulator with protection diodes
* When CL is larger than 20 µF, D1 protects the LM337 in case the input supply is shorted.
** When C2 is larger than 10 µF and VO is larger than - 25 V, D2 protects the LM337 in case the output is
shorted.
DocID2167 Rev 5
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