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TPS54680 Datasheet(PDF) 6 Page - Texas Instruments

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Part # TPS54680
Description  3-V TO 6-V INPUT, 6-A OUTPUT TRACKING SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54680 Datasheet(HTML) 6 Page - Texas Instruments

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TPS54680
SLVS429B − OCTOBER 2002 − REVISED OCTOBER 2005
www.ti.com
6
INTERNAL BLOCK DIAGRAM
Falling
Edge
Deglitch
Enable
Comparator
1.2 V
2.95 V
Hysteresis: 0.03 V
2.5 µs
Falling
and
Rising
Edge
Deglitch
2.5 µs
VIN UVLO
Comparator
Hysteresis: 0.16 V
Multiplexer
Reference
−
+
Error
Amplifier
Thermal
Shutdown
150°C
SHUTDOWN
SS_DIS
PWM
Comparator
OSC
Leading
Edge
Blanking
100 ns
RQ
S
Adaptive Dead-Time
and
Control Logic
SHUTDOWN
30 mΩ
VIN
REG
VBIAS
VIN
BOOT
VIN
PH
CO
PGND
PWRGD
Falling
Edge
Deglitch
35 µs
VSENSE
SHUTDOWN
0.90 Vref
Hysteresis: 0.03 Vref
Powergood
Comparator
AGND
VBIAS
ILIM
Comparator
Core
RT
COMP
VSENSE
ENA
TPS54680
30 mΩ
LOUT
TRACKIN
25 ns Adaptive
Dead Time
sense Fet
VIN
I/O
ADDITIONAL 6A SWIFT™ DEVICES, (REFER TO SLVS397 AND SLVS400)
DEVICE
OUTPUT VOLTAGE
DEVICE
OUTPUT VOLTAGE
DEVICE
OUTPUT VOLTAGE
TPS54611
0.9 V
TPS54614
1.8 V
TPS54672
Active terminal
TPS54612
1.2 V
TPS54615
2.5 V
TPS54610
Adjustable
TPS54613
1.5 V
TPS54616
3.3 V
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