Datasheet

ENABLE 1
VDD
4
BP5
6
COMP
3
FB
2
GND
PP
5 V
Regulator
4.2 V
+
5 V
UVLO
+
Error
Amplifier
591 mV
SS
+
Fault
Controller
Soft Start
Ramp
Generator
PWM Logic
and
Anti-Cross
Conduction
+
(V
VDD
– 0.5 V)
Oscillator
Short Circuit
Threshold
Selector
SD
UVLO
UVLO
SS
SD
FAULT
UVLO
+
CLK
10CLK
8
7
9
5
BOOT
HDRV
SW
LDRV
PGD
5 V
Powergood
Control
FB
SD
FAULT
5 V
SC Threshold Latch
SC: -110 mV, -200 mV, or -280 mV
750 kW
VDD
SC
SD
+
FAULT
OCL
OCH
UDG-06064
TPS40192, TPS40193
SLUS719E –MARCH 2007–REVISED MAY 2013 www.ti.com
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