Datasheet

FB
VIN
VCC
SW
RTN
ON TIMER
DRIVER
V
IN
BST
LEVEL
SHIFT
SD/
RON
2.5V
THERMAL
SHUTDOWN
0.31A
BUCK
SWITCH
CURRENT
SENSE
COMPLETE
R
CL
START
RCL
COMPLETE
START
Ron
L1
C4
9.5V - 95V
Input
C3
LM5009
UVLO
FB
UVLO
REGULATION
COMPARATOR
OVER-VOLTAGE
COMPARATOR
2.875V
SD
SD
COMPLETE
START
MINIMUM
OFF-TIMER
8
6
5
3
4
1
2
7
7V SERIES
REGULATOR
CURRENT LIMIT
OFF TIMER
SHUTDOWN
D1
Q
CLR
Q
SET
S
R
+
-
+
-
+
-
C1
R
ON
R
CL
R2
R3
V
OUT2
V
OUT1
R1
C5
C2
LM5009
SNVS402G –FEBRUARY 2006–REVISED FEBRUARY 2013 www.ti.com
TYPICAL APPLICATION CIRCUIT AND BLOCK DIAGRAM
Figure 8.
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