lm2577sx-adj National Semiconductor Corporation, lm2577sx-adj Datasheet - Page 14
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lm2577sx-adj
Manufacturer Part Number
lm2577sx-adj
Description
Simple Switcher Step-up Voltage Regulator
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2577SX-ADJ.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2577SX-ADJ
Manufacturer:
NS/国半
Quantity:
20 000
Part Number:
lm2577sx-adj/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
LM1577-ADJ, LM2577-ADJ Test Circuit
01146809
L = 415-0930 (AIE)
D = any manufacturer
C
= Sprague Type 673D
OUT
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 3. Circuit Used to Specify System Parameters for ADJ Versions
Application Hints
01146810
Note: Pin numbers shown are for TO-220 (T) package
*Resistors are internal to LM1577/LM2577 for 12V and 15V versions.
FIGURE 4. LM1577/LM2577 Block Diagram and Boost Regulator Application
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