Datasheet

EN 1
VDD
4
BP
12
COMP 3
FB 2
GND 8
5V
Regulator
1.26V
+
BP,5V
+
Error
Amplifier
591mV
SS
Fault
Controller
SoftStart
Ramp
Generator
PWMLogic
and
Anti-Cross
Conduction
+
Oscillator
SD
UVLO
SS
FAULT
UVLO
+
CLK
16
CLK
14
13
15
10
BOOT
HDRV
SW
LDRV
PGOOD
BP
Powergood
Control
SS ACTIVE
SD
FAULT
BP
750
kW
VDD
SS
SD
+
Overtemperature
11
9 mA
BP
7 ILIM
+
VDD
SC_LOW
SC_HIGH
5UVLO
5.2 mA
+
+
0.53V
RT
6
SYNC
9
0.65V
SD
SS_SEL
BUF
550mV
1.5MW
TPS40195
www.ti.com SLUS720E –FEBRUARY 2007–REVISED JULY 2012
BLOCK DIAGRAM
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