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TPS54073 Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS54073
Description  2.2 - 4 -V, 14-A SYNCHRONOUS BUCK CONVERTER WITH DISABLED SINKING DURING START-UP
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS54073 Datasheet(HTML) 6 Page - Texas Instruments

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Falling
Edge
Deglitch
Enable
Comparator
1.2 V
VIN
2.95 V
Hysteresis: 0.03 V
2.5
µs
Falling
and
Rising
Edge
Deglitch
2.5
µs
VIN UVLO
Comparator
Hysteresis: 0.11 V
Internal/External
Slow-start
(Internal Slow-start Time = 3.35 ms
Reference
VREF = 0.891 V
+
Error
Amplifier
Thermal
Shutdown
150
°C
SHUTDOWN
SS_DIS
PWM
Comparator
OSC
Leading
Edge
Blanking
100 ns
R
Q
S
Adaptive Dead-Time
and
Control Logic
SHUTDOWN
8 m
VIN
REG
VBIAS
PVIN
BOOT
VIN
PH
CO
PGND
PWRGD
Falling
Edge
Deglitch
35
µs
VSENSE
SHUTDOWN
0.90 Vref
Hysteresis: 0.03 Vref
Power-Good
Comparator
AGND
VBIAS
ILIM
Comparator
2.2 − 4.0 V
VO
RT
COMP
VSENSE
SS/ENA
TPS54073
8 m
LOUT
VIN
3.0 − 4.0 V
SYNC
Start−Up
Driver
Suppression
TPS54073
SLVS547 – FEBRUARY 2005
FUNCTIONAL BLOCK DIAGRAM
6


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