Datasheet

UNDERVOLTAGE
SENSOR
OSC
REF (2)
(1) V
IN
V
CC
(4)
(8) CS
0.5V
OUT1 (5)
OUT2 (6)
GND (7)
REFERENCE
GENERATOR
RAMP
GENERATOR
DRIVER
DRIVER
PWM
5k
5.2V
(9) Rt /Sync
SS
0.65V
10k
5k
CLK
(10) SS
(3) COMP
2.5V
10 PA
V
CC
V
CC
2.5V
0.5V
0V
5.0V
9.6V SERIES
REGULATOR
START UP
CIRCUIT
THERMAL
SHUTDOWN
SENSOR
Disable
SS
Offset
4.9V
5.2V
LOGIC
Current Sense
+
-
+
-
+
-
R
S
Q
Q
CLR
SET
C
D
Q
Q
LM5033
www.ti.com SNVS181B –APRIL 2004–REVISED APRIL 2013
Block Diagram
Figure 2. Functional Block Diagram
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
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