LM2585SX-3.3 National Semiconductor, LM2585SX-3.3 Datasheet - Page 7

• Manufacturer Part Number: LM2585SX-3.3
• Description: SIMPLE SWITCHER 3A Flyback Regulator
• Manufacturer: National Semiconductor

Block Diagram
DS012515-18
For Fixed Versions
3.3V, R1 = 3.4k, R2 = 2k
5V, R1 = 6.15k, R2 = 2k
12V, R1 = 8.73k, R2 = 1k
For Adj. Version
R1 = Short (0 ), R2 = Open
FIGURE 1.
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