LM2586S-3.3 National Semiconductor, LM2586S-3.3 Datasheet - Page 21

• Manufacturer Part Number: LM2586S-3.3
• Description: Power Supply IC
• Manufacturer: National Semiconductor

Specifications of LM2586S-3.3

• Output Current: 3A
• Output Voltage: 3.3VDC
• No. Of Pins: 7
• Peak Reflow Compatible (260 C): No
• Termination Type: SMD
• Leaded Process Compatible: No
• Mounting Type: Through Hole
• Package / Case: 7-TO-263
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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-
FIGURE 32. V
FIGURE 31. Switching Waveforms
OUT
Response to Load Current Step
21
ber(s) and manufacturer(s) for every component. For the
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.
01251667
01251668
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