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TPS2015 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS2015
Description  POWER DISTRIBUTION SWITCHES
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

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TPS2014, TPS2015
POWER DISTRIBUTION SWITCHES
SLVS159B – DECEMBER 1996 – REVISED AUGUST 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 95-mΩ Maximum (5-V Input) High-Side
MOSFET Switch
D Short-Circuit Protection and Thermal
Protection
D Logic Overcurrent Output
D 4-V to 7-V Operating Range
D Enable Input Compatible With 3-V and 5-V
Logic
D Controlled Rise and Fall Times Limit
Current Surges and Minimize EMI
D Undervoltage Lockout Ensures That Switch
is Off at Start-Up
D 10-µA Maximum Standby Current
D Available in Space-Saving 8-Pin SOIC and
8-Pin PDIP
D 0°C to 125°C Operating Junction
Temperature Range
D 12-kV Output, 6-kV Input Electrostatic-
Discharge Protection
description
The TPS2014 and TPS2015 power distribution switches are intended for applications where heavy capacitive
loads and short circuits are likely to be encountered. The high-side switch is a 95-m
Ω n-channel MOSFET. The
switch is controlled by a logic enable that is compatible with 3-V and 5-V logic. Gate drive is provided by an
internal charge pump designed to control the power switch rise times and fall times to minimize current surges
during switching. The charge pump requires no external components and allows operation from supplies as low
as 4 V.
When the output load exceeds the current-limit threshold or a short is present, the TPS20xx limits the output
current to a safe level by switching into a constant-current mode, and the overcurrent logic output is set to low.
Continuous heavy overloads and short circuits will increase the power dissipation in the switch and cause the
junction temperature to rise. A thermal protection circuit is implemented, which shuts the switch off to prevent
damage when the junction temperature exceeds its thermal limit. An undervoltage lockout is provided to ensure
the switch is in the off state at start-up.
The TPS2014 and TPS2015 differ only in short-circuit current limits. The TPS2014 is designed to limit at 1.2 A
load and the TPS2015 limits at 2 A (see the available options table). The TPS20xx is available in 8-pin
small-outline integrated circuit (SOIC) and 8-pin PDIP packages, and operates over a junction temperature
range of 0
°C to 125°C.
AVAILABLE OPTIONS
RECOMMENDED MAXIMUM
TYPICAL SHORT CIRCUIT
PACKAGED DEVICES
CHIP FORM
TA
RECOMMENDED MAXIMUM
CONTINUOUS LOAD CURRENT
TYPICAL SHORT-CIRCUIT
CURRENT LIMIT AT 25
°C
SOIC
(D)†
PDIP
(P)
CHIP FORM
(Y)
0
°CTO85°C
0.6 A
1.2 A
TPS2014D
TPS2014P
TPS2014Y
0
°C TO 85°C
1 A
2 A
TPS2015D
TPS2015P
TPS2015Y
† The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2014DR).
Copyright
© 1997, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
1
2
3
4
8
7
6
5
GND
IN
IN
EN
OUT
OUT
OUT
OC
D OR P PACKAGE
(TOP VIEW)


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