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TPS54316MPWPREP Datasheet(PDF) 3 Page - Texas Instruments

Part # TPS54316MPWPREP
Description  3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS-BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT™)
PDF  22 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS54316MPWPREP Datasheet(HTML) 3 Page - Texas Instruments

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VI
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: 0.16 V
Internal/External
Slow-Start
(Internal Slow-Start Time =
3.3 ms to 6.6 ms)
VI
Feed-Forward
Compensation
−
+
Error
Amplifier
Thermal
Shutdown
145
°C
SHUTDOWN
SS_DIS
PWM
Comparator
OSC
Leading
Edge
Blanking
100 ns
R Q
S
Adaptive Dead-Time
and
Control Logic
SHUTDOWN
VIN
REG
VBIAS
VIN
BOOT
VIN
PH
LOUT
CO
PGND
PWRGD
Falling
Edge
Deglitch
35
µs
VSENSE
SHUTDOWN
0.90 Vref
Hysteresis: 0.03 Vref
Power good
Comparator
AGND
VBIAS
ILIM
Comparator
VIN
VO
FSEL
RT
VSENSE
SS/ENA
TPS5431x
5
µA
Reference/
DAC
2 k
Ω
40 k
Ω
25 ns Adaptive
Deadtime
80
82
84
86
88
90
92
94
96
0
0.5
1
1.5
2
2.5
3
Load Current − A
TA = 25°C
VI = 5 V
VO = 3.3 V
EFFICIENCY
vs
LOAD CURRENT
VIN
PH
BOOT
PGND
VSENSE
GND
VBIAS
Input
Output
Simplified Schematic
TPS54311-EP, TPS54312-EP,
TPS54313-EP, TPS54314-EP,
TPS54315-EP, TPS54316-EP
SGLS376A – FEBRUARY 2007 – REVISED MARCH 2007
FUNCTIONAL BLOCK DIAGRAM
3
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