LM1577, LM2577
SNOS658D –JUNE 1999–REVISED APRIL 2013
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LM1577-ADJ, LM2577-ADJ Test Circuit
L = 415-0930 (AIE)
D = any manufacturer
COUT = Sprague Type 673D
Electrolytic 680 μF, 20V
R1 = 48.7k in series with 511Ω (1%)
R2 = 5.62k (1%)
Note: Pin numbers shown are for TO-220 (T) package
Figure 31. Circuit Used to Specify System Parameters for ADJ Versions
Application Hints
Note: Pin numbers shown are for TO-220 (T) package
*Resistors are internal to LM1577/LM2577 for 12V and 15V versions.
Figure 32. LM1577/LM2577 Block Diagram and Boost Regulator Application
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