TPS54310
SLVS412A – DECEMBER 2001 – REVISED JUNE 2002
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FUNCTIONAL BLOCK DIAGRAM
VIN
Enable
Comparator
Falling
Edge
Delay
0.8 V
1–4
µ
s
VIN UVLO
Comparator
VIN
VIN_UVLO
Reference/DAC
Offset
VSENSE
MUX
+
–
Error
Amplifier
PWM
Comparator
R Q
S
Deadtime
Co
Highin
PH
L(out)
VO
T_SUNT
Bias UVLO
BG GOOD
Delay
SHUTDOWN
SS_DIS
Rising
Edge
Delay
SHUTDOWN
Highin
SS/ENA
Highdr
UVLO
Sampling
Logic
VPHASE
VI(LIM)
SHUTDOWN
ILIM
Comparator
Rising
Edge
Delay
SHUTDOWN
Highdr
UVLO
REG
VIN
VIN
VBIAS
VBIAS
BOOT
SHUTDOWN
AGND
Ct
Iset
OSC
VSENSE
Vpgd
Powergood
Comparator
SYNC
RT
20–50
µ
s
Falling
Edge
Delay
SHUTDOWN
PGND
PWRGD
ADDITIONAL 3-A SWIFT DEVICES
DEVICE
TPS54311
TPS54312
OUTPUT VOLTAGE
0.9 V
1.2 V
DEVICE
TPS54313
TPS54314
OUTPUT VOLTAGE
1.5 V
1.8 V
DEVICE
TPS54315
TPS54316
OUTPUT VOLTAGE
2.5 V
3.3 V
RELATED DC/DC PRODUCTS
D
UCC3585—dc/dc controller
D
PT5500 series—3-A plug-in modules
D
TPS757XX—3-A low dropout regulator
6
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