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TPS2053D Datasheet

  • TPS2053D

  • TRIPLE POWER-DISTRIBUTION SWITCHES

  • 25頁

  • TI

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TPS2043, TPS2053
TRIPLE POWER-DISTRIBUTION SWITCHES
SLVS191 鈥?JANUARY 1999
D
D
D
D
D
D
D
D
D
D
D
D
D
135-m鈩?-Maximum (5-V Input) High-Side
MOSFET Switch
500 mA Continuous Current per Channel
Short-Circuit and Thermal Protection With
Overcurrent Logic Output
Operating Range . . . 2.7 V to 5.5 V
Logic-Level Enable Input
2.5-ms Typical Rise Time
Undervoltage Lockout
20
碌A(chǔ)
Maximum Standby Supply Current
Bidirectional Switch
Available in 16-pin SOIC Package
Ambient Temperature Range, 鈥?0擄C to 85擄C
2-kV Human-Body-Model, 200-V
Machine-Model ESD Protection
UL Listed 鈥?File No. E169910
TPS2043
D PACKAGE
(TOP VIEW)
GND1
IN1
EN1
EN2
GND2
IN2
EN3
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
OC1
OUT1
OUT2
OC2
OC3
OUT3
NC
NC
TPS2053
D PACKAGE
(TOP VIEW)
description
7
10
The TPS2043 and TPS2053 triple power
8
9
distribution switches are intended for applications
where heavy capacitive loads and short circuits
NC 鈥?No internal connection
are likely to be encountered. The TPS2043 and
the TPS2053 incorporate in single packages three 135-m鈩?N-channel MOSFET high-side power switches for
power-distribution systems that require multiple power switches. Each switch is controlled by a logic enable that
is compatible with 5-V logic and 3-V logic. Gate drive is provided by an internal charge pump that controls the
power-switch rise times and fall times to minimize current surges during switching. The charge pump, requiring
no external components, allows operation from supplies as low as 2.7 V.
GND1
IN1
EN1
EN2
GND2
IN2
EN3
NC
1
2
3
4
5
6
16
15
14
13
12
11
OC1
OUT1
OUT2
OC2
OC3
OUT3
NC
NC
When the output load exceeds the current-limit threshold or a short is present, the TPS2043 and TPS2053 limit
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 the switch remains off until valid input voltage is present.
The TPS2043 and TPS2053 are designed to limit at 0.9-A load. These power distribution switches are available
in a 16-pin small-outline integrated circuit (SOIC) package and operate over an ambient temperature range of
鈥?0擄C to 85擄C.
AVAILABLE OPTIONS
TA
鈥?0擄C to 85擄C
鈥?0擄C to 85擄C
ENABLE
Active low
Active high
RECOMMENDED MAXIMUM
CONTINUOUS LOAD CURRENT
(A)
0.5
0.5
TYPICAL SHORT-CIRCUIT
CURRENT LIMIT AT 25擄C
(A)
0.9
0.9
PACKAGED DEVICES
SOIC
(D)鈥?/div>
TPS2043D
TPS2053D
鈥?The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2043DR)
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1999, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPS2053D 產(chǎn)品屬性

  • 40

  • 集成電路 (IC)

  • PMIC - 電源分配開關(guān)

  • -

  • 高端開關(guān)

  • 3

  • 95 毫歐

  • 是

  • 900mA

  • 2.7 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 16-SOIC（0.154"，3.90mm 寬）

  • 16-SOIC N

  • 管件

  • TPS2053BEVM-294-ND - TPS2053BEVM-294

  • 296-2578-5

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