lm2587sx-5.0 National Semiconductor Corporation, lm2587sx-5.0 Datasheet - Page 8

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lm2587sx-5.0

Manufacturer Part Number
lm2587sx-5.0
Description
Simple Switcher 5a Flyback Regulator
Manufacturer
National Semiconductor Corporation
Datasheet
Block Diagram
01231607
For Fixed Versions3.3V, R1 = 3.4k, R2 = 2k5V, R1 = 6.15k, R2 = 2k12V, R1 = 8.73k, R2 = 1kFor Adj. VersionR1 = Short (0Ω), R2 = Open
FIGURE 1.
Test Circuits
01231608
C
— 100 µF, 25V Aluminum ElectrolyticC
— 0.1 µF CeramicT — 22 µH, 1:1 Schott #67141450D — 1N5820C
— 680 µF, 16V Aluminum
IN1
IN2
OUT
ElectrolyticC
— 0.47 µF CeramicR
— 2k
C
C
FIGURE 2. LM2587-3.3 and LM2587-5.0
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