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TPS2082 Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. TPS2082
Descripción  CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
Descarga  37 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS2082 Datasheet(HTML) 1 Page - Texas Instruments

 
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DGN−8
D−16
D−8
www.ti.com
FEATURES
APPLICATIONS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
IN2
EN3†
NC
OC3
OUT3
NC
NC
1
2
3
4
8
7
6
5
GND
IN
IN
EN
OUT
OUT
OUT
OC
TPS2041B/TPS2051B
D AND DGN PACKAGES
(TOP VIEW)
1
2
3
4
8
7
6
5
GND
IN
EN1
EN2
OC1
OUT1
OUT2
OC2
TPS2042B/TPS2052B
D AND DGN PACKAGES
(TOP VIEW)
OC1
OUT1
OUT2
OC2
GND
IN1
EN1†
EN2†
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
IN2
EN3†
EN4†
OC3
OUT3
OUT4
OC4
OC1
OUT1
OUT2
OC2
GND
IN1
EN1†
EN2†
NC − No connect
All enable inputs are active high for the TPS205xB series.
TPS2044B/TPS2054B
D PACKAGE
(TOP VIEW)
TPS2043B/TPS2053B
D PACKAGE
(TOP VIEW)
DESCRIPTION
TPS201xA
TPS202x
TPS203x
33 m
Ω, single
0.2 A − 2 A
0.2 A − 2 A
0.2 A − 2 A
TPS2014
TPS2015
TPS2041B
TPS2051B
TPS2045
TPS2055
TPS2061
TPS2065
80 m
Ω, single
600 mA
1 A
500 mA
500 mA
250 mA
250 mA
1 A
1 A
GENERAL SWITCH CATALOG
TPS2042B
TPS2052B
TPS2046
TPS2056
TPS2062
TPS2066
80 m
Ω, dual
500 mA
500 mA
250 mA
250 mA
1 A
1 A
TPS2100/1
260 m
IN1
500 mA
IN2
10 mA
OUT
IN1
IN2
TPS2102/3/4/5
IN1
500 mA
IN2
100 mA
1.3
TPS2043B
TPS2053B
TPS2047
TPS2057
80 m
Ω, triple
500 mA
500 mA
250 mA
250 mA
TPS2044B
TPS2054B
TPS2048
TPS2058
80 m
Ω, quad
500 mA
500 mA
250 mA
250 mA
80 m
Ω, dual
TPS2080
TPS2081
TPS2082
TPS2090
500 mA
500 mA
500 mA
250 mA
TPS2091
TPS2092
250 mA
250 mA
80 m
Ω, quad
TPS2085
TPS2086
TPS2087
TPS2095
500 mA
500 mA
500 mA
250 mA
TPS2096
TPS2097
250 mA
250 mA
TPS2041B,, TPS2042B
TPS2043B, TPS2044B, TPS2051B
TPS2052B, TPS2053B, TPS2054B
SLVS514E – APRIL 2004 – REVISED JANUARY 2006
CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
Heavy Capacitive Loads
70-m
Ω High-Side MOSFET
Short-Circuit Protections
500-mA Continuous Current
Thermal and Short-Circuit Protection
Accurate Current Limit
(0.75 A min, 1.25 A max)
Operating Range: 2.7 V to 5.5 V
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report (OC)
No OC Glitch During Power Up
Maximum Standby Supply Current:
1-µA (Single, Dual) or 2-µA (Triple, Quad)
Bidirectional Switch
Ambient Temperature Range: -40°C to 85°C
ESD Protection
UL Recognized, File Number E169910
The TPS204xB/TPS205xB power-distribution switches are intended for applications where heavy capacitive
loads and short circuits are likely to be encountered. These devices incorporates 70-m
Ω N-channel MOSFET
power switches for power-distribution systems that require multiple power switches in a single package. Each
switch is controlled by a logic enable input. 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 2.7 V.
When the output load exceeds the current-limit threshold or a short is present, the device limits the output current
to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When
continuous heavy overloads and short-circuits increase the power dissipation in the switch, causing the junction
temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal
shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains
off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1 A
typically.
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004–2006, 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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