Datasheet

11
13
10
15
3
2
1
VDD
LVBP
RT
KFF
DBP
HDRV
LDRV
4
5
7
6
PGD
SGND
FB
SS
8
COMP
Oscillator
16
ILIM
SW
CLK
12
SW
CLK
ILIM OC
9
PGND
14
BOOST
VDD
UVLO
770mV
FB
630mV
SS Active
PWM
OC
CLK
UVLO
FAULT
DBP
+
+
700mV
RAMP
OC
CLK
SW
PGND
B0150-01
LVBP
SS Active
Reference
Regulator
Ramp
Generator
Power
Good
Logic
UVLO
Controller
Pulse
Control
SoftStart
and
FaultControl
Predictive
GateDrive
Control
Logic
Short-Circuit
Comparator
andControl
TPS40077
www.ti.com ..................................................................................................................................................... SLUS714D – JANUARY 2007 – REVISED APRIL 2009
FUNCTIONAL BLOCK DIAGRAM
Copyright © 2007 – 2009, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Link(s) :TPS40077