lm2586sx-5.0 National Semiconductor Corporation, lm2586sx-5.0 Datasheet - Page 20
lm2586sx-5.0
Manufacturer Part Number
lm2586sx-5.0
Description
Simple Switcher 3a Flyback Regulator With Shutdown
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2586SX-5.0.pdf
(30 pages)
www.national.com
Step-Up (Boost) Regulator Operation
By adding a small number of external components (as
shown in Figure 30), the LM2586 can be used to produce a
regulated output voltage that is greater than the applied input
FIGURE 30. 12V Boost Regulator
20
(Continued)
voltage. The switching waveforms observed during the op-
eration of this circuit are shown in Figure 31. Typical perfor-
mance of this regulator is shown in Figure 32.
01251651
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