551011367-051 National Semiconductor, 551011367-051 Datasheet - Page 12

• Manufacturer Part Number: 551011367-051
• Description: BOARD WEBENCH BUILD IT LM2586/88
• Manufacturer: National Semiconductor
• Series: WEBENCH® Buildit Boardr

Specifications of 551011367-051

• Main Purpose: DC/DC, Step Up
• Regulator Topology: Boost
• Board Type: Bare (Unpopulated)
• Utilized Ic / Part: LM2586, LM2588
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Current - Output: -
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -
• Frequency - Switching: -
• Outputs And Type: -
• Lead Free Status / Rohs Status: Not Compliant
• Other names: *551011367-051

Flyback Regulator Operation
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As shown in Figure 4, the LM2586 can be used as a flyback regulator by using a minimum number of external components. The switching waveforms of this
regulator are shown in Figure 5. Typical Performance Characteristics observed during the operation of this circuit are shown in Figure 6.
FIGURE 4. 12V Flyback Regulator Design Example
Typical Performance Characteristics
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A: Switch Voltage, 20V/div
B: Switch Current, 2A/div
C: Output Rectifier Current, 2A/div
D: Output Ripple Voltage, 50 mV/div AC-Coupled
FIGURE 5. Switching Waveforms
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