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TPS70102PWPR Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPS70102PWPR
Description  Dual-Output Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP Systems
PDF  42 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS70102PWPR Datasheet(HTML) 8 Page - Texas Instruments

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background image
UVLO
Comp
+
-
+
-
+
-
+
-
Thermal
Shutdown
2.5V
+
-
Current
Sense
Reference
Vref
Vref
ENA_1
ENA_1
120ms
Delay
0.95xVref
FB1
0.95xVref
FB2
RisingEdge
Deglitch
Current
Sense
+
-
ENA_2
ENA_2
Vref
VIN1 (2Pins)
GND
EN
VIN2 (2Pins)
SEQ
(seeNoteB)
FB1
(seeNoteA)
PG1
MR2
RESET
FB2
(seeNoteA)
VIN1
MR1
VIN1
PG
Comp
RisingEdge
Deglitch
Reset
Comp
VOUT1 (2Pins)
VOUT2 (2Pins)
+
-
FallingEdge
Deglitch
0.83 x Vref
FB2
V
UVComp
OUT2
FallingEdge
Deglitch
0.83 x Vref
FB1
V
UVComp
OUT1
Power
Sequence
Logic
ENA_1
ENA_2
VIN1
TPS70145, TPS70148
TPS70151, TPS70158
TPS70102
SLVS222I – DECEMBER 1999 – REVISED AUGUST 2010
www.ti.com
Adjustable Voltage Version
A.
For most applications, FB1 and FB2 should be externally connected to resistor dividers as close as possible to the
device. For other implementations, refer to FB terminals connection discussion in the Application Information
section.
B.
If the SEQ terminal is floating at the input, VOUT2 powers up first
8
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Copyright © 1999–2010, Texas Instruments Incorporated



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