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TPS2551DRVT Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS2551DRVT
Description  ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
PDF  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2551DRVT Datasheet(HTML) 5 Page - Texas Instruments

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DEVICE INFORMATION
Charge
Pump
Driver
UVLO
Current
Limit
Thermal
Sense
IN
GND
EN
ILIM
OUT
FAULT
CS
Reverse
Voltage
Comparator
-
+
Current
Sense
8-msDeglitch
TPS2550
TPS2551
SLVS736 – FEBRUARY 2008
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
TPS2550DBV
TPS2551DBV
TPS2550DRV
TPS2551DRV
EN
3
–
4
–
I
Enable input, logic low turns on power switch
EN
–
3
–
4
I
Enable input, logic high turns on power switch
GND
2
2
5
5
Ground connection; should be connected
externally to POWER PAD
IN
1
1
6
6
I
Input voltage; connect a 0.1
µF or greater
ceramic capacitor from IN to GND as close to the
IC as possible.
FAULT
4
4
3
3
O
Active-low open-drain output, asserted during
overcurrent, overtemperature, or reverse-voltage
conditions.
OUT
6
6
1
1
O
Power-switch output
ILIM
5
5
2
2
I
External resistor used to set current-limit
threshold; recommended 14.3 k
Ω ≤ RILIM ≤ 80.6
k
Ω.
POWER
–
–
PAD
PAD
Internally connected to GND; used to heat-sink
PAD
the part to the circuit board traces. Should be
connected to GND pin.
FUNCTIONAL BLOCK DIAGRAM
Copyright © 2008, Texas Instruments Incorporated
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5
Product Folder Link(s): TPS2550 TPS2551



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