LM2586S-12 National Semiconductor, LM2586S-12 Datasheet - Page 19

• Manufacturer Part Number: LM2586S-12
• Description: SIMPLE SWITCHER 3A Flyback Regulator with Shutdown
• Manufacturer: National Semiconductor

Typical Performance Characteristics
A: Switch Voltage,10V/div
B: Switch Current, 2A/div
C: Inductor Current, 2A/div
D: Output Ripple Voltage,100 mV/div, AC-Coupled
Typical Boost Regulator Applications
Figures 33, 35 through Figure 37 show four typical boost
applications — one fixed and three using the adjustable ver-
sion of the LM2586. Each drawing contains the part num-
ber(s) and manufacturer(s) for every component. For the
FIGURE 32. V
FIGURE 33. +5V to +12V Boost Regulator
FIGURE 31. Switching Waveforms
OUT
Response to Load Current Step
19
fixed 12V output application, the part numbers and manufac-
turers’ names for the inductor are listed in a table in Figure
34 . For applications with different output voltages, refer to
the Switchers Made Simple software.
DS012516-67
DS012516-68
DS012516-54
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