LM2586S-ADJ National Semiconductor, LM2586S-ADJ Datasheet - Page 20

• Manufacturer Part Number: LM2586S-ADJ
• Description: IC, FLYBACK REGULATOR, TO-263-7
• Manufacturer: National Semiconductor

Specifications of LM2586S-ADJ

• Primary Input Voltage: 40V
• No. Of Outputs: 1
• Output Voltage: 37V
• Output Current: 3A
• No. Of Pins: 7
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Supply Voltage Range: 4V To 40V
• Filter Terminals: SMD
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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.
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