Datasheet

V
OUT
FB
VIN
VCC
SW
RTN
V
IN
BST
2.5V
64 mV
SS
L1
C2
R1
R2
LM34919C
R3
2.9V
SD
7V SERIES
REGULATOR
100
m:
+
-
SGND
ISEN
C6
GND
R
ON
RON/SD
OVER
-
VOLTAGE
COMPARATOR
REGULATION
COMPARATOR
LEVEL
SHIFT
CURRENT LIMIT
COMPARATOR
+
-
10.5
P
A
VCC
UVLO
ON
TIMER
FINISH
START
R
ON
LOGIC
0.8V
Driver
Gate Drive
UVLO
FINISH
START
OFF
TIMER
THERMAL
SHUTDOWN
6V to 40V
Input
C1
C3
C4
D1
R
SENSE
C5
GND
LM34919B
LM34919B-Q1
SNVS623A –MAY 2010–REVISED FEBRUARY 2013 www.ti.com
BLOCK DIAGRAM
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Product Folder Links: LM34919B LM34919B-Q1