Datasheet

BOOT
SW
LDRV/OC
EN/SS
COMP
FB
GND
VDD
BP
PGOOD
2
1
10
4
5
3
6
7
8
9
PAD
HDRV
+
+
FB
0.6 V
REF
+ 12.5%
0.6 V
REF
–12.5%
+
Fault
Controller
SS
Soft Start
BP
Anti-Cross
Conduction
and
Pre-Bias
Circuit
PWM
Logic
BP
Clock
6-V
Regulator
References
0.6 V
REF
SD
BP
Spread
Spectrum
Oscillator
+
Calibration
Circuit
+
UDG-09160
0.6 V
REF
SS
10 mA
750 kW
Fault Controller
Thermal
Shutdown
OC
Threshold
Setting
10 mA
OC
SS
SD
PWM
Clock
OC
TPS40303, TPS40304, TPS40305
www.ti.com SLUS964A –NOVEMBER 2009–REVISED AUGUST 2012
TPS4030x BLOCK DIAGRAM
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