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参数资料
| 型号： | TPS2066ADRBT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, SON-8 |
| 文件页数： | 1/25页 |
| 文件大小： | 1100K |
| 代理商： | TPS2066ADRBT |
1
FEATURES
APPLICATIONS
1
2
3
4
5
6
OUT2
OC1
OUT 1
EN1
GND
IN
TPS2062A/TPS2066A
DPACKAGE
(TOP VIEW)
7
8
EN2
OC2
5
6
TPS2062A/TPS2066A
DRBPACKAGE
(TOP VIEW)
7
8
PAD
1
2
3
4
EN1
GND
IN
EN2
OUT2
OC1
OUT1
OC2
Enableinputsareactivelowforall TPS2062A
andactivehighforall TPS2066A
DESCRIPTION
TPS2014600mA
TPS20151 A
TPS2041B500mA
TPS2051B500mA
TPS2045A
250mA
TPS2049100mA
TPS2055A
250mA
TPS20611 A
TPS20651 A
TPS20681.5 A
TPS20691.5 A
TPS201xA
0.2 A -2 A
TPS202x0.2 A -2 A
TPS203x0.2 A -2 A
www.ti.com ........................................................................................................................................... SLVS798F – JANUARY 2008 – REVISED NOVEMBER 2008
TWO CHANNEL, CURRENT-LIMITED, POWER-DISTRIBUTION SWITCHES
Heavy Capacitive Loads
2
70-m High-Side MOSFET
Short-Circuit Protection
1-A Continuous Current
Thermal and Short-Circuit Protection
Accurate Current-Limit
(1.2 A min, 2 A max)
Operating Range: 2.7 V to 5.5 V
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report (OCx)
No OCx Glitch During Power Up
1-A Maximum Standby Supply Current
Bidirectional Switch
Ambient Temperature Range: –40°C to 85°C
Built-in Soft-Start
UL Listed -- File No. E169910, Both Single and
Ganged Channel Configuration
The TPS206xA power-distribution switches are intended for applications where heavy capacitive loads and
short-circuits are likely to be encountered. The TPS206xA family is pin-for-pin compatible with the TPS206x
family with a tighter overcurrent tolerance. This family of devices incorporates two 70-m
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 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.
Each device limits the output current to a safe level by switching into a constant-current mode when the output
load exceeds the current-limit threshold or a short is present. Individual channels indicate the presence of an
overcurrent condition by asserting its corresponding OCx output (active low). Thermal protection circuitry
disables the device during overcurrent or short-circuit events to prevent permanent damage. The device recovers
from thermal shutdown automatically once the device has cooled sufficiently. The device provides undervoltage
lockout to disable the device until the input voltage rises above 2.0 V. The TPS206xA is designed to current limit
at 1.6 A typically per channel.
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 2008, 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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