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LM2575 Scheda tecnica(PDF) 14 Page - Guangdong Youtai Semiconductor Co., Ltd.

Il numero della parte LM2575
Spiegazioni elettronici  2A Step-Down Voltage Regulator
PDF  17 Pages
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Produttore elettronici  UMW [Guangdong Youtai Semiconductor Co., Ltd.]
Homepage  https://www.umw-ic.com/
Logo UMW - Guangdong Youtai Semiconductor Co., Ltd.

LM2575 Scheda tecnica(HTML) 14 Page - Guangdong Youtai Semiconductor Co., Ltd.

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Application Information (Continued)
INVERTING REGULATOR SHUTDOWN METHODS
To use the ON /OFF pin in a standard buck configuration is
simple, pull it below 1.3V (@25˚C, referenced to ground) to
turn regulator ON, pull it above 1.3V to shut the regulator
OFF. With the inverting configuration, some level shifting is
required, because the ground pin of the regulator is no
longer at ground, but is now setting at the negative output
voltage level. Two different shutdown methods for inverting
regulators are shown in
Figure 27 and 28.
01258342
FIGURE 27. Inverting Regulator Ground Referenced Shutdown
01258343
FIGURE 28. Inverting Regulator Ground Referenced Shutdown using Opto Device
14
www.umw-ic.com
友台半导体有限公司
LM2575
/LM2575HV
5.0
LM2575
/LM2575HV
5.0
2A Step-Down Voltage Regulator
UMW
R
UMW LM2575/LM2575HV
UMW LM2575/LM2575HV



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