Datasheet

CS
LOGIC
OUT
DRIVER
PWM
SS to Error
Amplifier
CLK
SS
(
Q
Q
SET
S
R
CURRENT
LIMIT
OSC
RT
1
FB
Slope
Compensation
Generator
0
SS
ARTN
COMP
current sense
16
12
9
2
15
14
50k
100k
1.4V
5k
V1.
25
2k
0.5V
5V
45
PA
Slope
Compensation
disabled for
-50 Device
10
PA
CLR
CLK + LEB
65 ns blanking
50% MAX
80% MAX
-DUTY LIMIT ( 50)
-
)
DUTY LIMIT 80
LM5072
SNVS437D –MARCH 2006–REVISED APRIL 2013 www.ti.com
Figure 15. PWM Controller Block Diagram
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