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TPS54972 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS54972
Description  9-A OUTPUT, 3-V TO 4-V INPUT TRACKING/TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54972 Datasheet(HTML) 6 Page - Texas Instruments

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background image
Falling
Edge
Delay
UVLO
VSENSE
VIN
/T_SHUT
AGND
PH
DEADTIME
Reference/DAC
OSC
UVLO
BOOT
PGND
SHUTDOWN
SHUTDOWN
BIAS UVLO
SHUTDOWN
R Q
S
ENA
ILIM
COMPARATOR
Lout
C
V
VIN
STATUS
PWM
COMPARATOR
ERROR
AMPLIFIER
TPS54972
Iset
Ct
Vilim
SAMPLING
LOGIC
highin
highdr
highin
highdr
SHUTDOWN
VPHASE
0.8 V
SHUTDOWN
Rising
Edge
Delay
REG
BIAS
Vbias
VIN
Vin_uvlo
VIN UVLO
COMPARATOR
ENABLE
COMPARATOR
RT
BG GOOD
Rising
Edge
Delay
Delay
MUX
FAULT
FAULT
REFIN
VDDQ
1-4 µs
O
TTQ
TPS54972
SLVS437B – AUGUST 2002 – REVISED AUGUST 2010
www.ti.com
INTERNAL BLOCK DIAGRAM
RELATED DC/DC PRODUCTS
TPS54372
TPS54672
TPS54872
6
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Copyright © 2002–2010, Texas Instruments Incorporated


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