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LM3524D Datasheet - Page 9

Download or read online National Semiconductor LM3524D Regulating Pulse Width Modulator pdf datasheet.



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Typical Applications
(Continued)
FIGURE 9 Positive Regulator Step-Down Basic Configuration (I
FIGURE 10 Positive Regulator Step-Down Boosted Current Configuration
Design Equations
R
F
R
CL
f
OSC
L1
C
o
I
o(MAX)
80 mA)
e
IN(MAX)
9
V
o
5 k
1
e
b
2 5
Current Limit
Sense Volt
e
I
o(MAX)
1
j
R
C
T
T
2 5V
(V
V
)
b
o
IN
o
e
I
V
f
o
IN
OSC
2
(V
V
) V
T
b
IN
o
o
e
8 V
V
L1
o
IN
V
IN
I
e
IN
V
o
TL H 8650– 13
TL H 8650– 14

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