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TPS2560A Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPS2560A
Descripción Electrónicos  Dual Channel Precision Adjustable Current-Limited Power Switches
Download  24 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2560A Datasheet(HTML) 1 Page - Texas Instruments

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ENx = Active Low for the TPS2560A
ENx = Active High for the TPS2561A
TPS2560A/61A
DRC PACKAGE
(TOP VIEW)
PAD
1
2
3
4
EN1
GND
IN
EN2 5
IN
9
6
OUT1
FAULT2
ILIM
7
8
OUT2
10
FAULT1
OUT1
OUT2
IN
IN
GND
FAULT1
ILIM
EN2
RILIM
2x RFAULT
100 k
Control Signal
2.5V – 6.5V
VOUT1
TPS2560A/61A
0.1 F
Fault Signal
Power Pad
VOUT2
EN1
Control Signal
FAULT2
Fault Signal
2x CLOAD
TPS2560A
TPS2561A
www.ti.com
SLVSB28
– DECEMBER 2011
Dual Channel Precision Adjustable Current-Limited Power Switches
Check for Samples: TPS2560A, TPS2561A
1
FEATURES
APPLICATIONS
2
Two separate current limiting channels
USB Ports/Hubs
Meets USB Current-Limiting Requirements
Digital TV
Adjustable Current Limit, 250 mA
–2.8 A (typ)
Set-Top Boxes
Accurate 2.1A Min / 2.5A Max Setting
VOIP Phones
(Including Resistor)
DESCRIPTION
Fast Overcurrent Response - 3.5-
μs (typ)
The TPS2560A and TPS2561A are dual-channel
Two 44-m
Ω High-Side MOSFETs
power-distribution switches intended for applications
Operating Range: 2.5 V to 6.5 V
where precision current limiting is required or heavy
2-
μA Maximum Standby Supply Current
capacitive loads and short circuits are encountered.
These devices offer a programmable current-limit
Built-in Soft-Start
threshold between 250 mA and 2.8 A (typ) per
15 kV / 8 kV System-Level ESD Capable
channel via an external resistor. The power-switch
UL Listed
– File No. E169910
rise and fall times are controlled to minimize current
surges during turn on/off.
CB
& Nemko Certified
Each channel of the TPS2560A/61A devices limits
the output current to a safe level by switching into a
constant-current mode when the output load exceeds
the current-limit threshold. The FAULTx logic output
for each channel independently asserts low during
overcurrent and over temperature conditions.
Figure 1. Typical Application as USB Power Switch
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright
© 2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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